Strategic Development Committee May 12 2026
Ep. 50

Strategic Development Committee May 12 2026

Episode description

Strategic Development Committee: May 12, 2026

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Unknown: Day one.

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Unknown: Good evening and welcome to the strategic development committee and special board meeting of May 12th

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SPEAKER_13: 2026

3:49

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4:08

SPEAKER_13: before re-entering

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4:16

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4:24

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4:31

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4:37

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4:42

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4:47

Unknown: members of the public attending this meeting virtually that wish to provide verbal comments

4:53

Unknown: During the committee meeting may do so by using the raise

4:59

Unknown: hand feature in zoom or

5:02

Unknown: By pressing star 9 when dialed into the telephone

5:07

SPEAKER_13: toll-free number at the time public comment is called

5:13

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5:22

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5:27

SPEAKER_13: public comment at

5:29

SPEAKER_13: smud org

5:32

Unknown: Written comments will not be read into the record but will be provided to the board

5:38

SPEAKER_13: electronically and placed into the record of the meeting if the comments are received

5:44

Unknown: within two hours after the meeting ends

5:48

Unknown: Chief legal officer, please conduct the roll call

5:52

Unknown: director fishman here

5:55

Unknown: Director Herbert here chair Samborn

5:58

SPEAKER_12: Director

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SPEAKER_12: Fishman and vice chair her bar present chair Herbert is is absent though. I believe she may be phoning in and remotely

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SPEAKER_12: also present our

6:10

SPEAKER_12: directors Bowie Thompson and Vice President kirth

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Unknown: Okay item number one on tonight's agenda is to provide the board an overview of climate impacts

6:23

SPEAKER_13: Projected for smud's Upper American River project or you are as we like to call it

6:30

SPEAKER_13: Including an update of statewide trends and water management

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SPEAKER_13: highlights from smud's

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SPEAKER_13: 2025 focus study of the you are and a discussion of smud's projects and

6:44

SPEAKER_13: operational measures to address historic and future

6:50

SPEAKER_13: variability and

6:52

SPEAKER_13: so now our presenters will come forward and

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Unknown: We'll get to get some interesting information

7:01

Unknown: All right. Well very good. Good evening and thank you for that introduction vice chair

7:06

SPEAKER_04: Herber so again, my name is Josh line and director of power generation for smud and tonight we get the opportunity to

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SPEAKER_04: Actually through a series of presentations take a look back in time

7:17

SPEAKER_04: But also more importantly look into the future with respect to climate change and those

7:23

SPEAKER_04: Impacts that we can anticipate and that's really done through climate forecasting and modeling as we think about that and that impact to

7:31

SPEAKER_04: Potentially how we operate our hydro assets today part of our you are

7:35

SPEAKER_04: It's really important to acknowledge that those assets are a cornerstone to our energy supply for the last 60 years

7:43

SPEAKER_04: Those have been operating very reliably right meeting our clean clean energy goals

7:48

SPEAKER_04: They've been meeting our affordability goals and of course our reliability goals

7:52

SPEAKER_04: So over that 60 years, of course, we've seen a lot of climate change

7:55

SPEAKER_04: We've seen a lot of impacts to climate change and we've continued to operate those assets very reliably

8:01

Unknown: Right, that's not without a lot of hard work a lot of planning and long-term planning and a lot of I'll say

8:09

SPEAKER_04: Operations and maintenance endeavors whether those are asset improvement projects whether those are just focus on operational practices

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SPEAKER_04: So tonight we get the opportunity to really look forward and understand

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SPEAKER_04: What are those potential changes to our climate and how that may impact our?

8:26

SPEAKER_04: operations of our critical assets that are critical for

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SPEAKER_04: Continuing to serve and meet our zero carbon plan for the future. So let me quickly just walk through the agenda for tonight

8:37

SPEAKER_04: As we think about our presenters the first one, dr. Michael Anderson

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SPEAKER_04: He's the California State climatologist for the Department of Water Resources also with NOAA

8:47

Unknown: Really what dr. Anderson will walk us through is he'll look at what are the big climate change impacts we've seen

8:54

SPEAKER_04: What are some of those trends going into the future?

8:56

SPEAKER_04: How does that really impact kind of our water management at the state level and then also more importantly?

9:02

SPEAKER_04: He'll talk about some new research and tools that really will facilitate

9:07

SPEAKER_04: our operation and collaboration going forward and that continued successful operation of our hydro assets and then we'll transition to dr

9:15

SPEAKER_04: Owen daugherty he's a principal research scientist for Eagle Rock

9:19

SPEAKER_04: Analytics and so as we take a little bit of a zoom-in approach, it's really looking at our hydro assets very specifically in

9:27

SPEAKER_04: 2025 we did

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SPEAKER_04: Conclude a study that really looked at what are the the weather vulnerabilities?

9:33

SPEAKER_04: What are the climate change vulnerabilities looking out to mid century and how might those impact the operations of our units?

9:41

SPEAKER_04: So he'll cover that and some key takeaways for those studies and then we'll get an opportunity to look at really from the operational

9:49

SPEAKER_04: Perspective, how do we manage these variabilities? So our manager of resource optimization Christine Gianini

9:55

SPEAKER_04: Will talk about how we manage the variability every year, right? Every year we see something different in terms of the water year

10:03

SPEAKER_04: This year in particular as you look at you know our snowpack

10:07

SPEAKER_04: You know just last week. Kiso released their planning and resource study for 2026 in that assessment

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SPEAKER_04: They noted that from the water year perspective in the snowpack perspective across the state of California

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SPEAKER_04: We're seeing the second lowest snowpack in recorded history

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SPEAKER_04: Behind 2015 so as we continue to manage these challenges

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SPEAKER_04: It's very important to look to the future acknowledging that there have been challenges

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SPEAKER_04: There has been variability in terms of weather impacts, but looking forward

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SPEAKER_04: We'll continue to see those impacts be more pronounced more frequent

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SPEAKER_04: And so how are we going to manage those going forward?

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SPEAKER_04: And I'll come back to highlight some key projects and initiatives we're looking at in the long term

10:47

SPEAKER_04: So as we look at our long-term planning we look at a decade or more

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SPEAKER_04: What are some of the initiatives and projects we're looking at today that will better

10:55

Unknown: Allow our hydro assets to be more flexible and really weather no pun intended the storms of the future so with that

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SPEAKER_04: I'll turn it over to dr. Michael Anderson. Thank you

11:10

Unknown: All right good evening everybody

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SPEAKER_10: So try and provide a little context here of

11:16

SPEAKER_10: Where we are now to help understand what comes next

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Unknown: and

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SPEAKER_10: All right, so here we go. So let's start with the idea of normal

11:26

SPEAKER_10: so this is how NOAA defines what your current climate is it take 30 years and

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SPEAKER_10: Average it and then so your average climate

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SPEAKER_10: Represents what has happened in the previous 30 years, so I put two of them up here

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SPEAKER_10: I put one at the beginning of the 20th century. Those are the blue dots and

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SPEAKER_10: The triangle is the average of those 30 years

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Unknown: And you see that the blue dots are pretty close to the triangle

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SPEAKER_10: So average is a pretty good guess of what kind of year you're gonna get

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Unknown: now fast forward into the 21st century and we have our

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SPEAKER_10: 1991 to 2020 normal as the

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SPEAKER_10: Diamond there with the squares being the individual years that make it up

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Unknown: Now the little table up in the upper right shows the numbers

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SPEAKER_10: We've warmed about two degrees Fahrenheit on average for California over this time period

12:16

Unknown: Average precipitation is about the same

12:20

Unknown: But the year-to-year values are very different guessing average now is only the first step

12:28

SPEAKER_10: Understanding the variability around average is what becomes much more important

12:33

Unknown: And so want to use that as kind of our starting point for the conversation

12:38

Unknown: Alright, so if you thought the past decade was a little tricky

12:41

SPEAKER_10: You're right, and this is another way to look at it

12:44

SPEAKER_10: So we take all the years in the historical record and we break them into the distribution

12:52

Unknown: From wet to dry warm cold warm and size of snow packs we have three pieces on here

12:59

Unknown: For in the middle of the distribution

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Unknown: This is where our infrastructure was designed. This is where it works. Well, and you saw in history that wasn't a bad guess

13:09

Unknown: Now as you see particularly in the last decade

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Unknown: We don't land there too frequently either with precipitation snowpack and certainly not temperature

13:18

Unknown: It took the epic snowpack of 2023 to get the temperature back into the average range

13:25

Unknown: otherwise, we're really out at the extreme and this gets to the point that

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Unknown: Everything works when you're in the expected range the anomalous range probably got a playbook that can get you through

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Unknown: When you get into the extremes, this is where you're usually working with emergency orders

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SPEAKER_10: Really trying to navigate conditions to get by

13:46

Unknown: When that happens once a decade, that's not a problem

13:49

Unknown: When it's happening almost all the time

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Unknown: This gets a little harder to explain why you're constantly having to seek

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SPEAKER_10: Deviations from the rules to

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SPEAKER_10: Navigate what mother nature is throwing at you, but this is a good graphic to show you

14:06

Unknown: She's really throwing some things at you and just to give you some numbers here from 2012 to 2016

14:13

Unknown: Four years we averaged 33 percent of a normal snowpack over those four years that included the lowest in 2015 at only 5%

14:22

Unknown: But the 33 percent of average is the projection for an end-of-century snowpack

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Unknown: So I tell people you had a practice round it was rough

14:33

Unknown: But it's doable

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SPEAKER_10: Also seven of the ten warmest years in the historical record are on that chart there

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Unknown: They've all happened since 2014 and by the way this year's on pace to break the record of 2015

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Unknown: So we'll set a new

14:50

Unknown: Edge to the temperature distribution this year

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Unknown: All right, so building a water year and this is how I like to walk people through

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SPEAKER_10: Is that there are some things that are still the same?

15:01

Unknown: And it's good to kind of ground ourselves in that notion that we still orbit the Sun

15:06

Unknown: There still has its seasons due to its tilt in the fall. This is when our precipitation onset sets in on

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SPEAKER_10: Average up in Del Norte County. It's October 1 for San Diego County. It's Halloween

15:19

Unknown: So the month of October is on average when our precip starts and we really look for that first storm of the season, right?

15:25

Unknown: Great when it shows up a little bit of a bummer when that drifts into November

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Unknown: In this Southern, California found out a few years ago when it waits till February

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SPEAKER_10: Significant problems develop

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Unknown: But we really look for that onset because that's the chance to start getting the watershed wet and we want the watershed wet

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SPEAKER_10: While that Sun angle is still up there

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Unknown: Because if it waits long enough the first storms end up being snow, but it's snow on a dry watershed

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Unknown: So what you see is a percent snowpack is not going to be

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Unknown: The runoff and that was a significant problem in 2021

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Unknown: So I list some of the things there winter our big three 90 days half our annual precept shows up in this time window

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Unknown: So this is the make or break rounder and we often find it's not wet or dry anymore

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Unknown: there are windows where it is wet and really exciting and

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Unknown: Then the high pressure sets in and it's just another sunny day at a time where we're supposed to be accumulating our water and snow

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SPEAKER_10: Spring late season bailout the miracle March right that happened once in 1991

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SPEAKER_10: We kind of hope for it

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Unknown: Or you get a month like this year where nothing happens and oh by the way

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Unknown: Snow melt decides to get started early

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Unknown: But now we're also finding with warming temperatures. It's not just the wet we have to learn more about the dry

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Unknown: how things dry down and

16:59

Unknown: In the wintertime when it's 68 degrees in the mountains

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Unknown: If it's not raining it's now beginning to dry out so it's a much more dynamic

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Unknown: And start to think of the watershed as a much more dynamic presence now reacting to the weather

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Unknown: Now I say people get we get to April 1 the numbers come in

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Unknown: If they're not what people want the first question they'll ask me well, what about next year?

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Unknown: And after a minor we're still trying to work on getting you a good seasonal outlook

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Unknown: Now multi-year not so good, but even more important is that bottom line?

17:33

Unknown: How different will the next decade be

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Unknown: I'm asking this because in four years in 2030 will have our ten years of data

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SPEAKER_10: No, we'll update the normal. So this will be our first 21st century normal

17:45

Unknown: But 2021 to 2030 is going to replace 1991 to 2000

17:51

Unknown: Temperatures very different

17:54

Unknown: Some precip extremes and snowpack extremes very different

17:59

Unknown: That gets folded into what your average is so in a sense are you ready for that?

18:05

Unknown: And you need to kind of keep that in mind as change becomes more dynamic

18:10

Unknown: All right, so how do we deal with it? Well one we're extremely fortunate to be in, California

18:17

Unknown: And I said it's because the state has for the past decade begun to recognize that it's not just how much total water

18:25

Unknown: But how much managed water capability you have right and the goal then becomes can you get more managed water capability?

18:32

SPEAKER_10: That means you're increasing your benefit and

18:35

Unknown: More and more you're decreasing your hazard at the same time

18:40

Unknown: Because you're trying to tap into the same storms and so that's a hydrograph and just saying

18:44

Unknown: We raise our managed water capability closer to the top of the hydrograph

18:48

Unknown: We're doing both. How do we do that?

18:52

SPEAKER_10: Observations knowing the state of the watershed knowing the state of the river stay the reservoirs what is happening now?

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Unknown: More importantly what's coming those forecasts become really important because they help us get ready for what's coming next

19:08

Unknown: But you can have the coolest observations, and I have some really cool wind profile or data. I can show you

19:14

SPEAKER_10: But if I don't describe it to you. It just looks like some rather interesting artwork

19:18

Unknown: And again the forecast without the right context

19:22

Unknown: Doesn't do you any good. That's why that top bar that helps raise the managed water capability

19:27

SPEAKER_10: It's turning that information into something usable

19:31

Unknown: And as we go through this and change

19:34

SPEAKER_10: having research at the core

19:36

Unknown: It's going to power us through these times where we keep saying well. I haven't seen that before

19:42

Unknown: And to do this I

19:44

SPEAKER_10: Stressed the importance of partnerships, and there are three keys communication collaboration and coordination

19:49

Unknown: Working together we can do this. It's doable

19:53

Unknown: And I know sometimes when it gets really wild it's kind of hard to see that

19:59

Unknown: So this is the other key that I think is just absolutely fabulous

20:03

Unknown: We have a defined physical feature in the atmosphere that delivers our water

20:08

Unknown: Sometimes a whole bunch at once like this storm here. This is the October 2021 storm. That is that black arrow

20:16

Unknown: largest atmospheric River of that water year

20:20

SPEAKER_10: But coming off the second driest year in history what a blessing

20:25

SPEAKER_10: Because things were really looking kind of grim in October 2021 this storm comes through we see rivers

20:32

Unknown: Actually, Sacramento River rose 10 feet on one storm Wow right yeah, but it was almost

20:39

Unknown: You know dry so getting water in there was fabulous unfortunately it didn't really work all the way through but

20:46

Unknown: with our partnership at Scripps understanding the storms understanding the

20:51

SPEAKER_10: Characteristics of these storms how to leverage that knowledge in our forecasts

20:56

Unknown: We can be better water planners and so really excited about this partnership. That's had a decade now and

21:04

SPEAKER_10: Looking forward to our next decade with them to really move forward on some of these ideas

21:10

SPEAKER_10: Including our efforts in forecast and former reservoir operations, which they have been a key partner with our work with the Corps of Engineers

21:18

Unknown: And this is it our research and operations partnership

21:21

SPEAKER_10: So we've spent about a year investing with the Center for Western Weather and Water extremes, and we're not the only ones

21:29

SPEAKER_10: We helped start the center, but right now we're maybe about a third of the funding that comes in for them I

21:36

Unknown: Stressed we want the funding because we want to keep their attention on our interesting problems here

21:42

Unknown: Yes, the West is a big place, but we'd really love to keep them focused on, California

21:46

SPEAKER_10: Because they're really bright people one of the things they have is this really cool catalog

21:51

Unknown: of all the atmospheric River since 1950

21:54

Unknown: year-to-year count a distribution through the year and

21:58

SPEAKER_10: More importantly the direction in which they hit because it's hugely important with the way our mountains are

22:04

Unknown: Storms have come out of the Southwest the good old pineapple expresses

22:08

Unknown: Interact with the mountains in the American Yuba and feather rivers in a much different way than if it's coming up over a ridge

22:14

SPEAKER_10: And it's coming out of the Northwest

22:16

Unknown: The production of the watersheds entirely different

22:19

Unknown: So understanding that and understanding and seeing that the biggest atmospheric rivers tend to hit

22:24

Unknown: From the Southwest and those tend to be the ones we remember

22:29

Unknown: Alright, so I tell people well we have data

22:31

SPEAKER_10: Lots of data and this was developed by a friend at desert research Institute. He's a paleo

22:37

SPEAKER_10: Hydrologist so he loves to layer data, but I really like it because and he called it

22:42

SPEAKER_10: 2017 the subtropical symphony

22:44

Unknown: but it just shows how dynamic things were in that year and

22:52

SPEAKER_10: Really amazing with the number of atmospheric rivers

22:56

SPEAKER_10: The yellow dots are this freezing elevation where rain was turning to snow and looking that it's going from 2000 to 10,000 feet

23:03

SPEAKER_10: Right we're going from Auburn to the top of the watershed where it's raining and

23:09

Unknown: Trying to keep that that track of that through the storm

23:12

SPEAKER_10: And we see with the gray line

23:13

Unknown: Yeah, sometimes when it shoots up and the snowpack dips a little bit as you get some of that rain on snow

23:19

Unknown: But we have information we're learning about it. We're learning about the processes

23:24

SPEAKER_10: Understanding what to look for to help understand how to get the best out of it

23:29

SPEAKER_10: That's why I say what information is available. What's useful?

23:34

Unknown: Sometimes you can get so much data

23:36

Unknown: It loses its utility and then how is it presented the other little rectangle just for reference that was

23:42

SPEAKER_10: the three weeks in

23:44

SPEAKER_10: 2023 those where we essentially had winter we had 46 percent of our annual precip in those three weeks

23:50

Unknown: Kind of exciting 86 percent of a seasonal snowpack developed in those three weeks

23:56

SPEAKER_10: just

23:57

Unknown: Comparing two very wild years in our recent history

24:01

Unknown: All right. So what else?

24:03

Unknown: We don't just stop at the weather forecasting with our friends at scripts

24:06

SPEAKER_10: We're really pushing out into the seas of sub seasonal and seasonal

24:10

Unknown: Really looking at 30 to 90 day window and this is a really cool

24:15

Unknown: Tool that came online this year really looking at the next four weeks

24:20

Unknown: And trying to look at the structure of the atmosphere and match it to one of 16 patterns noting that those 16 patterns

24:27

SPEAKER_10: Correspond to a precip pattern across the Western US

24:30

Unknown: And how dark the purple is is how much many of the global forecast models are agreeing? So if you're in one

24:38

SPEAKER_10: In one of those first four there and they're all there

24:42

Unknown: You can pretty well guess it's going to be another sunny day

24:46

Unknown: Gets a little more exciting when it gets into those around 10 and 12 where oh boy. It's gonna get pretty lively

24:54

Unknown: But this is a way to look beyond

24:57

Unknown: What the River Forecast Center provides in terms of here's the precip we expect and the flows we expect

25:03

Unknown: This gives a little bit of what's on the horizon. I'm pretty excited to see this develop more

25:09

Unknown: Another thing we did recently and this is cool with the Bay Area

25:13

SPEAKER_10: Timbaria counties went in on a single integrated regional water management grant

25:18

Unknown: Saying Doppler radar network wasn't serving them and it wasn't because they have hills and their closest radar are Monterey and

25:26

SPEAKER_10: Davis and

25:28

Unknown: In between Monterey and Davis in the Bay Area are a lot of pretty good sized mountains. So

25:33

Unknown: Doesn't do so good for them. So we built a smaller radar has a smaller footprint X band gives more detail to

25:41

Unknown: Put one in South Bay

25:43

Unknown: one in the East Bay one on Sawyer Ridge on the peninsula and one up in Sonoma County and

25:50

Unknown: Then we got a bigger radar a C band radar coming in between the big Dopplers and these

25:55

SPEAKER_10: That we put in Marin County that can look offshore so they actually can have a little

25:59

SPEAKER_10: Forewarning of what's coming towards them

26:04

Unknown: It's very hard to get observations on the ocean of what's coming in. So this helps with that

26:11

SPEAKER_10: Some really cool products with those forecasts, but the great thing about this

26:16

Unknown: They're upstream

26:18

SPEAKER_10: Meteorologically from you. So this gives you some additional information coming in

26:22

SPEAKER_10: So really kind of a cool feature and not to be outdone our good friends at the Sacramento Area Flood Control Agency

26:30

Unknown: Are wanting to look at a watershed scale effort

26:35

Unknown: To help them with some of the challenges they face and really looking at

26:41

SPEAKER_10: These other initiatives that we've done both with Fero and with AQPI

26:46

Unknown: To see how would that work serving the American River watershed?

26:53

SPEAKER_10: So I've been meeting with them showing off some of the tools we've been developing and

26:58

SPEAKER_10: Seeing if this can help inform

27:00

Unknown: What we do, which is really kind of cool

27:03

SPEAKER_10: Including a public-private partnership. We've been doing over the past few years with a company called Earth Knowledge

27:10

Unknown: these are former USGS scientists who

27:13

Unknown: are taking a USGS model called the Basin Characterization Model and

27:19

SPEAKER_10: We're using it not only to look backwards at a monthly kind of what happened. Here's the state of the watershed

27:25

Unknown: We're trying to couple it to forecasting

27:27

SPEAKER_10: to look 10 days ahead

27:30

Unknown: What's the landscape doing when it suddenly hits a hundred degrees?

27:34

Unknown: How quickly is it drying out?

27:38

Unknown: What is it doing to what's left of the snowpack?

27:42

SPEAKER_10: Still experimental and still

27:44

SPEAKER_10: If we can find the funding about five years off

27:48

Unknown: but a potential tool that I think

27:51

Unknown: Can help not only water management, but broader resource management. So trying to find some partners in the state

27:58

Unknown: To help build that out

28:00

Unknown: All right. Just want to finish because you might have heard in the news

28:05

Unknown: about the potential super-alleluia

28:07

Unknown: So I want to talk about where we've been last this past year was La Nina

28:12

Unknown: La Nina tends to have that up and down circulation

28:16

SPEAKER_10: High pressure is really important because the high pressure says where the air is going north and

28:21

Unknown: The edge of it is where it comes down

28:25

Unknown: This year where it came down was over the Great Lakes

28:29

Unknown: So the Great Lakes in the Northeastern US had a cold snowy winter

28:34

Unknown: They had snow on the ground almost all winter in Boston and New York City. They were not happy

28:39

Unknown: They had gotten used to this notion that they didn't have to do as much snow removal

28:43

Unknown: So

28:44

Unknown: We called it a good old-fashioned winter for them

28:47

Unknown: On our end we're underneath a high pressure. Yeah, not so much happened a few storms snuck through but

28:54

Unknown: for the most part

28:56

SPEAKER_10: Siphon that long duration event around Christmas. We didn't have a whole lot

29:02

Unknown: Now what's coming right so the waters in the tropics warm

29:06

SPEAKER_10: increases the gradient from equator to pole

29:10

Unknown: While that flattens the jet stream it speeds it up much like a river on a steeper gradient. It'll just shoot downhill

29:17

Unknown: What that does is and how far south it gets pushed

29:22

Unknown: Which part of California gets wet

29:25

Unknown: And

29:29

Unknown: So we tend to think of these storms with the jet streams sped up storms click through quick hitters

29:35

Unknown: Timing pace and scale of those then build the impacts on what we get they tend to be warmer

29:43

Unknown: Because they aren't running up and getting cold air

29:49

Unknown: And

29:51

SPEAKER_10: While we can have a year like 1992 which was an only new year kind of a bummer year

29:57

Unknown: We had 1998. Oh my goodness a lot of stuff happening

30:01

SPEAKER_10: What we do know is the coast tends to take a little bit more of a beating

30:09

Unknown: With all that energy just coming straight off the Pacific onto the coast

30:13

SPEAKER_10: Tend to have a little more damage

30:15

SPEAKER_10: So those will be the things to kind of keep track of as we see how this develops a lot of hype now

30:21

SPEAKER_10: But there's still a lot of time to see how this actually manifests once we get back around to winter

30:26

Unknown: But there is a lot of warm water in the subsurface of the tropics

30:32

Unknown: Anyway one last little piece the other piece that hasn't been there when Noah developed their relationships that I just showed you

30:40

Unknown: marine heat anomalies

30:42

Unknown: These have been fun things right and if you think about the first thousand feet of water in the mid-pacific

30:48

SPEAKER_10: warming

30:51

Unknown: Five and a half six degrees Celsius that changes that gradient and so I just say talk to my colleagues

31:02

Unknown: Maybe we should think about what's different between now and the 80s. How would we study it?

31:09

Unknown: How do we use that to shape our expectations

31:12

SPEAKER_10: Saying 1983 is gonna happen again is probably wrong

31:16

Unknown: Because the rest of the world is not like 83 in terms of the climatic setting

31:23

Unknown: So

31:25

Unknown: Just in case you missed it. We're already seeing consequences of a warming world

31:29

SPEAKER_10: And I love this satellite shot of December

31:33

Unknown: Where the valley was fogged in

31:35

SPEAKER_10: But the Sierra Nevada was bright and clear and on this day it was 39 degrees here in Sacramento and 68 degrees in Yosemite Valley

31:46

Unknown: So

31:47

Unknown: Here's the thing and I think Owen gets to describe this. This is only the beginning. This is not the new normal

31:54

Unknown: It amplifies from here

31:57

Unknown: But this is key the right tools

32:00

Unknown: Forming the right actions communicated in the right way at the right time

32:04

Unknown: Can help us navigate this we can do it we can actually thrive

32:08

Unknown: But the key is to make sure we work with our partners

32:11

SPEAKER_10: Especially those folks that we can bring in that new knowledge and bring it online

32:15

SPEAKER_10: I will definitely enhance our opportunities for success. So thank you for your time

32:22

Unknown: Thank you, do we have any questions for dr. Anderson? Yes, go ahead

32:30

Unknown: First of all, thank you and thank you for the optimism. I think that's you know, that's that's good to hear

32:37

Unknown: My question is you know your three keys communication cooperation coordination

32:44

Unknown: How what grade would you give us and I mean us the the general

32:49

SPEAKER_05: population of

32:51

SPEAKER_05: Organizations and people that are concerned with these issues. How well are we doing right now in California? We're doing pretty good

32:59

Unknown: Probably in the C plus B minus category

33:02

Unknown: Which isn't bad, but there is room for improvement and there's more that can be done and I think more opportunity to leverage

33:09

Unknown: Which is why I feel hopeful is that we're doing okay

33:13

SPEAKER_10: But we there's room to do better and as we move into that space

33:18

Unknown: we can keep up with Mother Nature and so my follow-up question is as a

33:24

SPEAKER_05: Board of locally elected generally lay people when it comes to these issues. How can we help?

33:31

SPEAKER_05: Can we lobby Congress for more money for Noah? Yes

33:35

SPEAKER_05: Lobby the governor for more money for the Department of Water Resources those kinds of things those kind of things help. Yes without a doubt

33:43

Unknown: You know, I talked about what my friends at Noah could be doing and right now I kind of have to help them

33:48

Unknown: Well, let's make sure they still exist

33:51

SPEAKER_10: It arguments changed. Unfortunately about talking with the chief

33:56

SPEAKER_10: Scientist at Noah. He said I'm in a really odd place. My job is to bring science to the benefit of people

34:03

SPEAKER_10: But I'm also in the executive branch whose position it is is that this isn't needed

34:09

Unknown: Thank you

34:12

Unknown: Other questions

34:14

SPEAKER_13: Yes

34:18

SPEAKER_09: Discursion right we

34:20

SPEAKER_09: Say this I'm all gonna get it right typically with a lot of Nina you get I want to say colder

34:25

Unknown: Yes, better winter, right and now Nina is drier

34:30

Unknown: Typically that the tip of an instant that if I have that right

34:34

Unknown: It's a lot to take in. I

34:36

Unknown: Don't feel like in terms of my lay living my day-to-day life

34:39

SPEAKER_09: They say this but I never really noticed that

34:43

SPEAKER_09: Climatic variation over the preceding six months. I sort of will reno this the warm waters here this year

34:50

SPEAKER_09: But it doesn't how much that do you see an actual sort of correlation to that?

34:54

Unknown: So again, we live with wild variability, right El Nino can be

34:59

SPEAKER_10: Your five of a six-year drought or it can be one of the wettest years in history

35:07

SPEAKER_10: So really wet dry is hard to tell

35:10

Unknown: What we look for is during El Nino. We probably don't have too many frost warnings

35:15

Unknown: But during lining you if that cold air is leaking down from the north, that's when we get those cold December nights

35:23

SPEAKER_10: Especially after a storm in the sky is just beautifully clear and there's nothing to hold the heat in

35:30

Unknown: We can get a lot colder

35:34

Unknown: What I also point out is that we tend to see more on the coast

35:41

SPEAKER_10: So when you're watching the news and you're watching

35:45

SPEAKER_10: Storms batter the coast and coastal erosion and unfortunately some of the houses falling, you know down the cliffs

35:51

SPEAKER_10: You'll see more of that coverage this coming winter

35:55

SPEAKER_10: The other really challenging piece

35:59

Unknown: Is with El Nino and with the warm waters and currently there is some really warm water off the south coast of the state

36:06

SPEAKER_10: that changes the whole food web in the ocean and

36:08

SPEAKER_10: Unfortunately that creates really big challenges for a lot of the marine life

36:14

SPEAKER_10: So you're hearing maybe now about some pelicans that are just not finding food

36:21

Unknown: We'll also find sea lions and some of the mammals will struggle with that as we work through the year

36:27

SPEAKER_10: And that's because that warm water kind of caps

36:30

Unknown: The upwelling that usually happens on our coast

36:34

Unknown: The other problem with that is without that cold water coming up. Here's less coastal fog

36:39

Unknown: less coastal fog more heating

36:42

Unknown: greater energy demand for those folks that

36:46

Unknown: Normally get the benefit of a little bit of an umbrella from the Sun

36:52

Unknown: Do you see you talked about that weather regime tool and was the 16 the 16 different potential tools or

37:01

SPEAKER_09: What's the proper word? We call them weather regimes

37:08

Unknown: And so what it is is the group here went through

37:14

SPEAKER_10: Reanalysis data which is a computer model recreation of the past 50 years of weather data and it's a whole atmosphere of

37:24

SPEAKER_10: information and they took

37:26

Unknown: What are called geo potential height patterns that kind of control where the winds blow and

37:33

SPEAKER_10: They came up with what they identify as a 16 principal patterns

37:38

SPEAKER_10: and so they took every day and they mapped it to one of these and

37:43

Unknown: They built their history and that's what provides kind of your expectations in terms of where it rains and where it doesn't

37:50

SPEAKER_10: Then

37:52

Unknown: They look at the forecast model of that same field and say which one is it and

37:58

Unknown: That then is informing what kind of the big picture expectation should be

38:03

Unknown: Do you think this will change is this going to change or changing how forecasting works?

38:08

SPEAKER_09: I think it'll help us get out to where we get more reliable week two information

38:13

SPEAKER_10: And can actually give us a sense in week three and four

38:18

SPEAKER_10: Not exactly what's going to happen, but we can actually start to pay attention to how things are changing in that time frame

38:25

Unknown: which can help us either say oh look relief might be starting to take shape or

38:32

Unknown: We shift from well, we're wet, but it's really going to dry out. So I think those kind of things learning how to use the information

38:40

Unknown: Is where we're going to be at over the next decade

38:42

SPEAKER_09: No, you look at a forecast the models always want to return things to normal. So

38:46

SPEAKER_09: You go to the 10-day forecast or 14 days. Oh, it's gonna be dry even though you know, we're in a wet pattern, right?

38:53

SPEAKER_09: So it this is again. So you you look at what the models are

38:59

SPEAKER_10: Saying you look at the observations and we look and see where you have

39:05

SPEAKER_10: Agreement and where you have disconnects. So it's not just taking the model output and saying

39:11

Unknown: This is the forecast you still have that human in the loop looking at it and saying does this make sense?

39:17

SPEAKER_10: Do we have a coherent?

39:21

SPEAKER_10: Forecast that we can present to folks and give them the right expectations

39:30

Unknown: Um, so then would that mean that they're not going to get the right expectations, I mean

39:38

SPEAKER_13: What what I'm hearing you say is that

39:42

Unknown: This is the way things are right now, but hey if we all

39:48

SPEAKER_13: Cooperate and work together we can get through this tough time

39:52

Unknown: but

39:54

Unknown: Isn't I mean this is now

39:58

Unknown: when you project out with the fact that we're building less renewables that

40:05

SPEAKER_13: There isn't a focus like there used to be on

40:09

SPEAKER_13: combat and climate change. I

40:11

Unknown: Mean, don't you think that we're that's a significant disruption. Yeah. Okay. Yes

40:18

SPEAKER_13: Okay, but that's why I said we're lucky to be in, California

40:23

SPEAKER_10: Because we're still in a place that still says I see what's happening. Mm-hmm

40:29

SPEAKER_13: I say and we're willing to be now. It's great when you have your federal partner on board with you

40:34

Unknown: It's a lot easier to do

40:37

Unknown: But I think it's important that as a state we still focus on what's important to us and

40:44

SPEAKER_10: Try and leverage the fact that we are one of the larger economies in the world. Mm-hmm

40:49

SPEAKER_13: That doesn't make sense. But what is scary to me is the fact is this is the way it is now and

40:57

SPEAKER_13: When you start projecting into the future with the actions that are being taken now

41:03

SPEAKER_13: It becomes even more critical that we pay attention to how we're living on this planet. Yes

41:10

SPEAKER_10: I fully agree. Well, thank you very much. Anybody else have any

41:16

Unknown: Final questions? No. Thank you very much. We really

41:19

SPEAKER_13: appreciated your

41:21

SPEAKER_13: Presentation dr. Anderson. Thank you

41:33

Unknown: Hi and good evening. My name is Owen Doherty

41:38

SPEAKER_07: I'm a climate scientist here in Sacramento with Eagle Rock analytics and as Josh mentioned smud sponsored a

41:47

SPEAKER_07: Assessment of its overall climate vulnerability to a number of climate hazards and today I'll be speaking

41:53

SPEAKER_07: just a little bit about

41:55

SPEAKER_07: Changes in the hydrological conditions in the upper American River that came out of that study

42:00

SPEAKER_07: which is much broader than what I'm presenting today and

42:03

SPEAKER_07: I won't I won't wait till the end to tell you what the key takeaways from from that work was

42:11

SPEAKER_07: You know our top finding is

42:14

SPEAKER_07: Please expect changes in when precipitation is occurring in the you are

42:19

SPEAKER_07: We're gonna see shifts in the seasonality of when the rain and snow is coming a little bit

42:24

SPEAKER_07: Our study found that it doesn't seem like there's gonna be a big change in the number of days in which

42:30

SPEAKER_07: precipitation is occurring

42:32

SPEAKER_07: But the amount of precipitation that occurs is likely to change

42:37

SPEAKER_07: consistent with what dr. Anderson showed

42:40

SPEAKER_07: Snowpack has been reduced and we expect further reductions towards mid and end of century and

42:46

SPEAKER_07: What we found was that the lowest elevations of the u-r we're gonna see the largest

42:51

SPEAKER_07: Decline and the upper elevations would be a little more resilient and lose a little bit less snowfall

42:57

SPEAKER_07: And that reduction in snowfall doesn't happen equally across the whole season

43:02

SPEAKER_07: We're seeing that in the fall very large declines in in this total snow

43:08

SPEAKER_07: That's gonna come winter decreases a little bit and then the spring decreases a little bit

43:12

SPEAKER_07: Suggesting we might have a much narrower period of snowpack

43:16

SPEAKER_07: Even if there are you know some peaks and valleys within it. So that's I guess I can stop there. Thank you

43:23

SPEAKER_07: No, I'll share the details. I'll keep it as light as I can but that's that's the key key thing. So

43:30

SPEAKER_07: this study took

43:32

SPEAKER_07: output from California's fifth climate change assessment as dr. Anderson

43:38

SPEAKER_07: Introduced California is producing quite a bit of climate data

43:42

SPEAKER_07: The state is updated their their climate projections and smud is the was the first utility in the state to utilize it as far as I'm aware

43:51

SPEAKER_07: The figure on the left shows the model coverage and the figure on the right is our study domain

43:57

SPEAKER_07: which includes not only the service territory, but

44:00

SPEAKER_07: Areas where smud is key assets and the u-r is there and with our older little basins in the light red squiggles

44:06

SPEAKER_07: Just give you a sense of the type of information we have

44:10

SPEAKER_07: In this presentation, I'm going to show you two types of

44:15

SPEAKER_07: regimes some climate models are predicting a much wetter future and some suggest a

44:22

SPEAKER_07: Drier future and that's because California's hydro climate has a lot of variability

44:27

SPEAKER_07: It goes from wet to dry and the climate change signal on top of that can nudge it in certain directions

44:34

SPEAKER_07: But we still do see the wet and dry futures as possibilities

44:38

SPEAKER_07: and

44:41

Unknown: To help ground this work

44:44

SPEAKER_07: I wanted to to mention a little bit about how how we looked into the future and what we kind of compared it to

44:52

SPEAKER_07: Trying to keep this work consistent with what the UN is doing at the IPCC

44:57

SPEAKER_07: And what our most recent national climate assessment did along with CPU sees guidance for sort of best practices of climate science and energy planning

45:06

SPEAKER_07: We took a global warming level framework approach it tries to get away from

45:12

Unknown: These pathways of how much you know coal is

45:15

SPEAKER_07: Kenya burning how much solar is China installing its away from those pathways and instead

45:21

SPEAKER_07: Focuses on what will the climate be when the whole earth is two degrees warmer?

45:26

SPEAKER_07: What will the climate be when it's a one and a half degrees warmer and in this study?

45:30

SPEAKER_07: We consider the historical baseline sort of our past when the infrastructure was built to occur at about point eight degrees Celsius of warming

45:39

SPEAKER_07: And that happened that's that was most likely happening at 2002

45:43

SPEAKER_07: Then we this you'll see a lot of figures that refer the next ten years and that refers to a world

45:48

SPEAKER_07: Which is 1.5 degrees warmer, which we think will that threshold be crossed about?

45:54

SPEAKER_07: 2030 2031 and then the last little bit of comparison we did was looking at the middle of the century

46:01

SPEAKER_07: Which is about two degrees of warming and we think that'll happen

46:05

SPEAKER_07: Somewhere around 2047, but you could think about it 2050 really so that's sort of the basis for this study

46:10

SPEAKER_07: And also lots of figures that refer to the next ten years and mid-century

46:14

SPEAKER_07: And these are the time points that I'm sort of referring to as we go along so our first finding changes in the seasonality of precipitation

46:23

Unknown: Again, we're going to show figures that have on the left side the wet futures and on the right side the dry futures

46:31

Unknown: The reason why we thought it would be helpful to look at wet and dry futures side by side was for a utility company

46:39

Unknown: Planning for the future you hear things like well

46:41

SPEAKER_07: It could be what or it could be drier and it's very difficult to make decisions different difficult to push forward

46:47

SPEAKER_07: But if we look at a wet future and a dry future and the changes that we are seeing the trends that we're seeing are the

46:55

SPEAKER_07: Same direction and the same type of shift we can be really confident that that's a change that's gonna happen and be impactful

47:01

SPEAKER_07: And then when they diverge when you know the wet is going

47:04

SPEAKER_07: I'm sorry

47:05

SPEAKER_05: I just wanna be sure I'm

47:06

SPEAKER_05: Orienting myself correctly with the map that you've got up there now the the circled area that it's on both of those maps

47:13

Unknown: The the blue that's just to the right of that that's that's Tahoe that's Lake Tahoe. Yes, that's right

47:18

SPEAKER_07: That's like and then and then the the the water at the very far bottom left corner is at San Francisco Bay

47:25

SPEAKER_05: That's right. Yeah. Okay, you got it. You're oriented. I needed to scale

47:30

SPEAKER_07: Thank you. So yeah, we're looking from Lake Tahoe to the Bay and from just north of Stockton up to

47:36

SPEAKER_07: I don't know Yuba City or so

47:38

SPEAKER_07: Maybe a little further north

47:40

SPEAKER_07: And the circled area the circles area is the area where we saw the largest change in

47:45

SPEAKER_07: precipitation and that corresponds with the highest elevations of the you are so that's where we see the

47:49

SPEAKER_07: The biggest the biggest chance both in absolute as I'm showing here and on a percentage basis

47:54

SPEAKER_07: So, you know on the wet models, we do see a greening, you know more precipitation generally

47:59

SPEAKER_07: But it's focused on those higher elevations and in the drying

48:02

SPEAKER_07: It's sort of the same thing a general drying with the largest decrease happening at high elevation

48:07

Unknown: So

48:10

SPEAKER_07: A lot of times we like to break down sort of these large annual average things into seasons

48:16

SPEAKER_07: So you understand sort of when the changes are coming?

48:19

SPEAKER_07: Here we made the complex these figures are even more complicated to

48:23

SPEAKER_07: struggle with understanding late at night

48:26

SPEAKER_07: but the figures show from the top left winter to

48:31

SPEAKER_07: Then right spring then down to fall and then over to summer

48:36

SPEAKER_07: So you can see in the wet models that during the winter time we're seeing a big

48:42

Unknown: Increase in precipitation in the center of the wet season

48:46

SPEAKER_07: So in December January and February and then in the spring and in the summer saying in the fall even in the wet miles

48:52

SPEAKER_07: We're not really seeing a big increase in precipitation a little bit

48:55

SPEAKER_07: Whereas with the dry models you'll see a drying that's that's spread across all the seasons relatively equally

49:01

SPEAKER_07: So this is a example where you know our models are looking at different regimes

49:06

SPEAKER_07: But showing you know very different insight that if we're in a drier future

49:10

SPEAKER_07: It's gonna be spread over the a lot of the season rather than just focused on the center of the winter

49:15

SPEAKER_07: Like our increases in precipitation would be so key impacts coming from this is again

49:21

SPEAKER_07: There's lots of future outcomes

49:23

SPEAKER_07: We we can learn things despite the fact that there's some variability in the the wetter future

49:28

SPEAKER_07: We're looking at the peak increase in winter and then for the drier future that drying spread out now

49:35

SPEAKER_07: I will say this precipitation

49:37

SPEAKER_07: Analysis I'm showing here includes both snow and rain and kind of mixed together

49:41

SPEAKER_07: We'll tease out the snow in a couple minutes so you can focus it on that separately

49:46

SPEAKER_07: Another key finding is that the changes in extreme precipitation

49:51

SPEAKER_07: So heavy precipitation are driving a lot of the overall changes that we see

49:56

SPEAKER_07: And to understand that we wanted to look at the number of days in which precipitation was happening

50:02

Unknown: In our wet model we see by mid-century an increase in the number of rainy days of

50:08

SPEAKER_07: Over most of the Sacramento area about zero to one day

50:11

SPEAKER_07: It's not a lot in the you are up you're seeing two to three more days with precipitation

50:15

SPEAKER_07: And in the dry models we're seeing a decrease of zero to one days

50:20

SPEAKER_07: And then the you are maybe one or two days with less precipitation and that's telling us yeah

50:25

SPEAKER_07: There's some slight changes here, but really the number of storm events that are expected aren't

50:30

Unknown: Changing that much, but the total amount of rainfall that's coming out of them is

50:34

SPEAKER_07: Which is a very interesting finding

50:37

SPEAKER_07: If we look at extreme precipitation trying to find

50:41

SPEAKER_07: Precipitation events in which the rates were were quite high

50:45

SPEAKER_07: Relative to an average storm we see in the wet models

50:50

SPEAKER_07: We see again this this pattern that the upper elevations of the you are we're seeing a increase in the number of heavy rain days

50:58

SPEAKER_07: And then in the dry we're seeing a big decrease in the number of dry days

51:03

SPEAKER_07: Occurring up there, so

51:05

Unknown: maybe the number of storms that are coming are changing, but it's these really these heavy heavy rain heavy snow days where we might see

51:14

SPEAKER_07: Shifts and we might see new patterns emerging

51:17

SPEAKER_07: so key impacts

51:20

SPEAKER_07: The overall change in number of precipitating days is modest we we are expecting a similar number of storms

51:27

SPEAKER_07: It might be that the types of storms that come in change in a wet regime

51:31

SPEAKER_07: We're going to have bigger wetter atmospheric rivers

51:35

SPEAKER_07: Typically those are associated with high wind in the Sacramento area and are damaging to infrastructure in the drier future

51:42

SPEAKER_07: We may see the same number of storms, but storms that feature less heavy rain and snow events

51:48

SPEAKER_07: And these changes in extremes are really driving whatever changes we see in the average values

51:55

Unknown: Snowfall everyone's most favorite topic

51:58

SPEAKER_07: in

52:00

Unknown: the Upper American River

52:02

SPEAKER_07: The change in snowfall really depends on where you are

52:06

SPEAKER_07: In the Sierra so in the foothills this is this is showing the percent change

52:12

SPEAKER_07: Just a couple models

52:14

SPEAKER_07: This is again by mid century so in the foothills. We're seeing big reductions in

52:19

SPEAKER_07: Annual average snow accumulation, but as you get higher up

52:24

SPEAKER_07: Those reductions decrease and in some cases maybe at the highest peaks. We'd see a little bit more snow

52:30

SPEAKER_07: Sent to occur in the the water models

52:35

Unknown: The question often comes up, you know, when should we start expecting these changes to come in and they already have

52:42

SPEAKER_07: Really, we're already seeing warmer winters with

52:46

SPEAKER_07: less snow and earlier

52:48

SPEAKER_07: snowmelt

52:49

SPEAKER_07: The bottom left figure shows the change we're expecting in the next 10 years relative to the past

52:55

SPEAKER_07: And so you're seeing a decrease in the foothills of maybe about 20% of the annual snowfall

53:01

SPEAKER_07: But at high elevations, that's a lot lower

53:03

SPEAKER_07: If you fast forward to mid century and we're expecting about two degrees of warming by then

53:09

SPEAKER_07: We're looking at very large reductions in annual snowfall even extending up into the higher elevations in excess of you know

53:17

SPEAKER_07: decreases of 40% in the foothills and

53:20

SPEAKER_07: near Placerville

53:22

SPEAKER_07: We

53:24

SPEAKER_07: Redid the analysis instead breaking it down by specific reservoir in the urp to try to give a little bit more information

53:30

SPEAKER_07: And the results are really consistent with what I said earlier

53:34

SPEAKER_07: You know, if you look at a low elevation reservoir like the chyli bar

53:39

SPEAKER_07: You see big reductions if you look at the higher elevation reservoirs like Buck Island or Loom Lake

53:46

SPEAKER_07: You're seeing much much reduced losses in snowfall. So again, the elevation is driving it

53:54

Unknown: This is a really complicated figure and I'm sorry for presenting it at 7 o'clock at night, but

54:01

SPEAKER_07: It tells a great story. So again here

54:03

SPEAKER_07: we're looking at different reservoirs within the urp the bottom panel is showing the fall season and

54:09

SPEAKER_07: I just draw your attention to that that in both wet and dry regimes

54:13

SPEAKER_07: We're seeing major declines in our fall

54:17

SPEAKER_07: snowfall

54:19

SPEAKER_07: If you move up a little bit and I were looking at spraying we're seeing some sizable decreases and then you move into winter

54:25

SPEAKER_07: We saw our smallest decreases in snowfall

54:28

SPEAKER_07: So we're really losing the snowfalls on what's called the shoulder season the edge

54:32

SPEAKER_07: the early onset of the season and the late and so that would suggest a much shorter time period the year where we have a

54:40

SPEAKER_07: robust snow snowpack

54:42

Unknown: Bringing it all together

54:45

Unknown: You know, we're seeing

54:47

SPEAKER_07: statistically significant

54:49

SPEAKER_07: projected

54:50

SPEAKER_07: declines in snowfall

54:51

SPEAKER_07: Across all of the urp regardless of wet and dry the largest difference is happening at your lower elevations

54:59

Unknown: Each reservoir system will see kind of differing amounts, but again based on elevation

55:03

Unknown: It's not a uniform reduction in the snowpack again. It's really this fall declines. That's that that is the largest

55:10

SPEAKER_07: And you could see a potential modest increase at the highest elevations

55:16

SPEAKER_07: But that's small relative

55:18

SPEAKER_07: To the overall change and also just in water volume up there

55:23

Unknown: So again, this was part of a much larger study

55:25

SPEAKER_07: I focused on the urp today because that's what I was asked to do

55:28

SPEAKER_07: I know there's some questions about wildfire also and smud transition transmission lines exposure to them

55:35

SPEAKER_07: Our study looked at changes in extreme heat and changes in wind and from that you can you can start to understand

55:42

SPEAKER_07: What the risks are. So if you imagine a forest system that's having earlier snow melt

55:48

SPEAKER_07: And a shorter snow cover season, it's gonna start drying out earlier

55:53

SPEAKER_07: The top row is telling us the the kind of changes in extreme heat that we'll be seeing

55:58

SPEAKER_07: I'll note that the largest temperature increases across

56:02

SPEAKER_07: Areas of interest are happening at the highest elevation the urp

56:05

SPEAKER_07: So this is an area where we're going to see the largest changes in moisture

56:10

Unknown: The largest increases in heat and that combination will lead to more wildfire

56:16

SPEAKER_07: risk

56:17

SPEAKER_07: unfortunately

56:19

SPEAKER_07: We don't see major changes in extreme wind which is fortunate for us

56:24

SPEAKER_07: Again wrapping things up when we think about the urp

56:28

SPEAKER_07: There's gonna be changes in when precipitation occurs the number of days with precipitation

56:32

SPEAKER_07: We expect to remain the same but the amount of precipitation will likely change

56:37

Unknown: snowpack will be reduced and that's amplified at the lowest elevations and

56:43

SPEAKER_07: This combination of increasing heat and decreases in precipitation are gonna increase

56:49

SPEAKER_07: Wildfire risk and that's all I've got actually I've got a lot more. I just wanted to spare you

56:54

SPEAKER_07: Well, thank you, dr. Dole for tea anybody have any questions? Yes, director Brandon when you were looking at some of the

57:02

SPEAKER_09: Related the wildfire as you look at any like forest moisture levels, which are sort of precursors to fire the large wildfires

57:10

SPEAKER_09: Yes

57:11

SPEAKER_07: We did not in this study do this

57:13

SPEAKER_07: But the most recent chapter of California's fifth climate change assessment is looking at that in the Sierra and they are

57:21

SPEAKER_07: projecting large declines in

57:24

SPEAKER_07: vegetated

57:26

SPEAKER_07: moisture and also soil moisture

57:28

SPEAKER_07: Particularly looking into May and if I remember like October November where areas where they saw big big reductions a

57:38

Unknown: Little bit curious

57:40

SPEAKER_09: Any commoner we actually look at our stuff because it's us

57:45

SPEAKER_09: Does this pattern follow across the entire Sierras?

57:49

SPEAKER_09: Are there parts of the Sierras that that were not sort of in tools are the same as this and and then did you see any?

57:55

SPEAKER_09: Variability relative like the Mojave Desert where there's so much solar being developed. That's a that's a really really good question

58:04

Unknown: There was a paper that came out just a week ago that looked at changes in different

58:08

SPEAKER_07: basins up and down the Sierra

58:10

SPEAKER_07: The northern and central Sierra behaved very differently than the southern Sierra

58:14

SPEAKER_07: So you would see differences if you looked at the southern end versus areas to the north

58:20

SPEAKER_07: I'm I couldn't really speak to the details of it, but I know you would have to look differently from where you are

58:27

SPEAKER_07: in terms of

58:29

SPEAKER_07: changes in solar

58:31

SPEAKER_07: production

58:32

SPEAKER_07: The CEC did sponsor some research which took these same models and ran them through energy production models generation potential

58:40

SPEAKER_07: Looking at changes in wind and solar and I do not believe there were appreciable changes in the Mojave

58:45

SPEAKER_07: but there were my understanding is

58:49

SPEAKER_07: increases in

58:52

SPEAKER_07: extreme heat periods coincident with low wind production

58:56

SPEAKER_07: Through the the passes which I couldn't name off the top of my head

58:59

SPEAKER_07: But I know from driving around there that you go between the desert basins. There are those large wind installations

59:05

SPEAKER_07: So there could be some secondary effects even if the solar production doesn't change

59:09

SPEAKER_07: Any other questions? Yes, director Fishman. I

59:18

SPEAKER_13: Think part of what I'm hearing is that on any given year. We're gonna see some pretty wild swings and

59:27

Unknown: To some degree the effects of those swings are compounding right so if you have a big snowpack

59:33

Unknown: It I mean it's gonna last longer not only because there's more snow

59:38

SPEAKER_05: but because it has its own kind of insulating and refrigeration effect and conversely when you have a dry year less snow it

59:45

SPEAKER_05: dissipates very quickly less runoff because it's soaking into the ground instead of running off and and so

59:52

Unknown: The the in terms of our operations the way we run our power plants. We have to be able to manage those

59:58

Unknown: Those wild swings year to year. That's absolutely correct. Yes

1:00:05

SPEAKER_07: Unfortunately, well, thank you for the cheery presentation I

1:00:10

SPEAKER_13: Get that a lot. We do appreciate the study and having this information

1:00:17

Unknown: And then next I think Christine

1:00:23

Unknown: More question real quick. Sorry Christine

1:00:26

SPEAKER_09: So sort of as I was looking through the slides one of the things that I was curious about is what is normal today?

1:00:31

SPEAKER_09: Right because we have this wet regimes and these dry regimes the malls are showing if you've seen this variability, but

1:00:38

SPEAKER_09: things

1:00:39

SPEAKER_09: Looking past in my own life, which is from a climate perspective isn't that long, right?

1:00:45

SPEAKER_09: It's always been extremely variable that these relatively these are these I guess what's the question like are we seeing basing more?

1:00:54

SPEAKER_09: variability these you know zero to four days

1:00:57

SPEAKER_09: Per year versus what we've already been seeing that historical record. Is that what it's saying?

1:01:02

SPEAKER_07: Yeah, and to answer your question, you know in this study

1:01:05

SPEAKER_07: We chose a 30 year climatology window when we considered these these windows, which is traditional

1:01:11

SPEAKER_07: So you look over 30 so you do qualify as I mean a full climate suite behind you but

1:01:18

SPEAKER_07: The I mean to answer your question

1:01:20

SPEAKER_07: very the increase in variability is sort of the California water story and climate story is

1:01:29

SPEAKER_07: You know, yes, we have this underlying trend, but things are also shaking more around that that trend line

1:01:36

SPEAKER_07: And that's just a really hard thing for resource managers to handle

1:01:42

SPEAKER_07: Because you're not just dealing with a new climate regime, but one that flip-flops back and forth

1:01:47

SPEAKER_07: Sometimes somewhat violently. Thank you

1:01:50

Unknown: Hello, I'm Christine Giannini. I'm the manager of resource optimization and smud's energy trading contracts department

1:01:59

SPEAKER_01: And I feel like your last question really covers everything and I can just

1:02:07

Unknown: It really is on point for exactly what I am going to talk to you guys about which is smud's operations and

1:02:13

SPEAKER_01: How this variability and this climate shifting has been impacting us with a couple looks at some historical years

1:02:20

Unknown: Variability is something as we've all seen is inherent within our system

1:02:24

SPEAKER_01: It's something we've been experiencing for years and this graphic is a report that we love we do it every year

1:02:29

SPEAKER_01: And it's an accumulation of all of our historical data for cumulative precipitation at fresh pond each color

1:02:36

SPEAKER_01: coordinates to a water year and this is the last 60 years of data from

1:02:40

SPEAKER_01: 1965 up until the present and we have the current year even on there and it just shows how much variability we see in

1:02:47

SPEAKER_01: precipitation over our watershed

1:02:49

Unknown: Every single year and in all of history

1:02:52

SPEAKER_01: We have our driest year on there from 1977 and then up to the wettest year in

1:02:56

SPEAKER_01: 2017 so recently that I think we've made mention of in the other presentations

1:03:00

SPEAKER_01: But the really interesting thing about the graph and it shows that extreme variability that we keep talking about is that

1:03:06

SPEAKER_01: 2015 was a third dry year in a row

1:03:09

SPEAKER_01: So it was a critically dry year to smud and that bleep from 2015

1:03:14

SPEAKER_01: Two years later up to our wettest year on record that just highlights these extreme variability that we're seeing within our system

1:03:20

Unknown: So how do we manage that as a resource owner?

1:03:24

Unknown: There's really key dimensions to variability that we have to think about as we handle Hydra operations

1:03:29

SPEAKER_01: We're thinking of the four key dimensions of variability being inner annual variability

1:03:35

Unknown: intra annual variability the precipitation form variability and the system and constraint variability

1:03:42

Unknown: So first up we have inter annual variability and this is a look at how much water do we get each year?

1:03:47

SPEAKER_01: And as many of the highlight or many of the presentations have highlighted that amount can vary

1:03:52

Unknown: Greatly year-over-year and not just being great variations year-over-year. We're also experiencing

1:03:59

SPEAKER_01: An unknown so each year is kind of like a blank slate the past doesn't dictate the future in California

1:04:04

SPEAKER_01: So as we manage water throughout the year

1:04:07

SPEAKER_01: It's all about our storage levels and where are we sitting with what water we have in storage?

1:04:10

SPEAKER_01: Going into a new year. We have to ensure that that storage level is at a place where no matter what comes into our water

1:04:16

SPEAKER_01: system we're going to handle our system reliably and safely and so this graph shows the last 16 years of

1:04:24

Unknown: Total runoff into the ur

1:04:26

SPEAKER_01: But you can see how there's big swings up and down in those bars each bar represents a year's worth of total runoff and along

1:04:32

SPEAKER_01: The graph the yellow dots is where our end of water year

1:04:36

SPEAKER_01: So September 30th storage level was and there's a consistency we see in that end of water your storage level that just speaks to how

1:04:44

SPEAKER_01: operationally we handle this big variance and we set ourselves up with that blank slate going into the next year to be able to handle the

1:04:51

SPEAKER_01: system

1:04:52

Unknown: again reliably and really safely year-over-year and

1:04:56

Unknown: Then the next kind of variability that we're handling within the ur

1:04:59

SPEAKER_01: Is the intra annual variability and this digs into the water year in itself and not just the variability that we don't know how much

1:05:05

SPEAKER_01: Water we're getting that year

1:05:06

SPEAKER_01: But when are we going to get that water into our system and it and it can swing up and down even within the same type

1:05:12

SPEAKER_01: Of water year and that's where those extremes of atmospheric rivers and singular storms and then very dry months come into play

1:05:19

Unknown: So this graph for you and we pulled three recent below normal. So I think

1:05:25

Unknown: Director Rose asked about what is average?

1:05:28

SPEAKER_01: First most water said a lot of times we refer to a below normal water years. What might be average?

1:05:33

SPEAKER_01: So I wanted to look at three years that could be what we might say our average if we had such a thing within

1:05:39

Unknown: within water and

1:05:41

SPEAKER_01: hydrology

1:05:42

SPEAKER_01: but 2022 2024 and 2026 are each of those monthly bars of

1:05:47

SPEAKER_01: total runoff into some adds Europe

1:05:49

SPEAKER_01: You are and then the line going up the graph is our cumulative runoff throughout the water year

1:05:55

SPEAKER_01: And it's really interesting looking at 2022 October

1:05:58

SPEAKER_01: You can see just how varied it was that month alone from 2022

1:06:02

SPEAKER_01: You get this huge slug of water right into the system right away

1:06:05

SPEAKER_01: And then in this year 2026, it was minimal handleable

1:06:11

SPEAKER_01: There wasn't a ton of water coming in and we're making operational decisions around this variability we face and that's one of those short-term

1:06:18

SPEAKER_01: Forecasts they become very important understanding. Where should our storage levels be? What does the storm going to really impact?

1:06:24

SPEAKER_01: And so this is a variability that's driven a lot by those short-term forecasting

1:06:29

Unknown: and

1:06:30

Unknown: Then the precipitation form variability

1:06:33

SPEAKER_01: Which is the big conversation topic a lot about our snowpack and snowpack is pivotal to smud's hydro operations

1:06:39

SPEAKER_01: It's a great asset and what we might even consider our largest reservoir

1:06:43

SPEAKER_01: It sits there and it waits and it usually gives us a slow yield when it exists

1:06:49

SPEAKER_01: It can really swing how we operate our system based on how much snowpack we're actually getting for getting a high snowpack

1:06:55

SPEAKER_01: We have a lot of confidence heading into the summer and we have to really manage how our storage is set up

1:07:00

Unknown: Prior to that snowpack melt if we don't have a snowpack we have to think about how are we going to get into our summer?

1:07:06

SPEAKER_01: Operations, how are we going to ensure reliability through the heat we may face or any?

1:07:11

Unknown: Other system constraints come the summer months, you know

1:07:14

SPEAKER_01: It's when our peak hits us and we want to ensure we have the strength of the hydro system behind us when we head into

1:07:19

SPEAKER_01: Those summer months, so there's a graphic here. That's really cool

1:07:22

SPEAKER_01: And it's kind of a case study on what's happening this year

1:07:25

SPEAKER_01: Which is a very interesting year and a very variable year highlighting just how much that climate shifting is affecting variability on the top graph

1:07:32

SPEAKER_01: We have our storage reservoir levels for the water year along with the capacity of the Europe storage

1:07:38

SPEAKER_01: Which is the yellow line it shifts based on winter capacity ratings and summer capacity ratings

1:07:43

SPEAKER_01: We have some dam safety certification that reduces capacity through the winter months where we open gates

1:07:48

SPEAKER_01: And then the gates are closed again on April 2nd to allow for more storage

1:07:52

Unknown: along that same graph we have the cumulative runoff into storage for our reservoirs and

1:08:00

Unknown: Run off into all of the reservoirs not just the storage and then the graph underneath is our snowpack levels

1:08:05

SPEAKER_01: I chose three years this time because I wanted to really illustrate what's happening in 2026

1:08:09

SPEAKER_01: There's a wet year in 2023 a below normal year in

1:08:13

SPEAKER_01: 2024 and then our current year which is also classified as a below normal year right now on the orange line

1:08:19

SPEAKER_01: So that green line of 2023 a wet year when we look at all three graphs

1:08:25

SPEAKER_01: There's a lot of consistency between 2026 and 2023 as a wet year up until we hit snowpack

1:08:32

Unknown: so our runoff into the reservoirs were very similar between the wet year and

1:08:37

SPEAKER_01: This year below normal and then our just runoff into the system as a whole was also very similar

1:08:43

SPEAKER_01: You can see that orange line tracked with the green white year

1:08:46

SPEAKER_01: And then we came into our snowpack graph, and it is just dismal

1:08:51

SPEAKER_01: Comparative we have what would be considered really a critically dry snowpack

1:08:56

SPEAKER_01: And and you can see as the cumulative runoff matches to the wet year

1:09:00

SPEAKER_01: We're really gonna hit a plateau and these next few months

1:09:03

SPEAKER_01: We've already lost all of our snowpack the only snowpack remaining is at that high elevation

1:09:07

SPEAKER_01: And it's really just a dot and sitting just barely on our snow sensor. There's not really anything else around it

1:09:14

SPEAKER_01: So it just it is a great case study looking at this year of how that variability

1:09:19

SPEAKER_01: Impacts how we operate and the really interesting thing about this year is how much planning

1:09:23

Unknown: Went into that snow melt in early March

1:09:25

SPEAKER_01: And we had to look at our storage reservoir levels and we planned ahead and we stored that water

1:09:30

SPEAKER_01: Knowing we would have to hit those summer months and you can see that orange line

1:09:34

SPEAKER_01: Deviated from the green and we had to put a more into storage right at the top there and hold it longer

1:09:39

Unknown: Because we weren't sure of those longer-term forecasts and how much would show up in April

1:09:43

SPEAKER_01: And I know someone mentioned Miracle March and we always joy joke in our group

1:09:47

SPEAKER_01: Are we gonna get a Miracle March maybe an awesome April? It seems like a lot more we start wishing for the awesome April

1:09:53

SPEAKER_01: Because we don't experience as much of the Miracle March anymore

1:09:56

SPEAKER_01: And so that variability is something that really comes into

1:09:59

SPEAKER_01: managing that form of precipitation and

1:10:02

Unknown: then the fourth key dimension that we're facing in hydro operations is

1:10:06

SPEAKER_01: System and constraint variability and this is really a backbone of variability within hydro operations. This happens regardless of

1:10:14

Unknown: What's happening with the hydrology? It's not just a single

1:10:18

SPEAKER_01: Objective, but it's all of these system limitations playing together

1:10:22

Unknown: To determine how we're going to have variability within the system. That's outages that might happen

1:10:26

SPEAKER_01: It's our first license requirements and how they adjust based on water your type

1:10:30

SPEAKER_01: It's safety considerations for the environment in the community as we provide recreation and it's the physical limitations

1:10:37

SPEAKER_01: we have canals and we have tunnels and we have storage gates and we have spillways and all of that has to be considered on

1:10:44

SPEAKER_01: top of the fact that the climatology is shifting and

1:10:48

Unknown: So our hydro system already is experiencing a great deal of variability and we are finding ways to manage around that variability and to deal with

1:10:55

SPEAKER_01: these extreme

1:10:56

Unknown: extreme movements we're seeing and the bounds being pushed by the climate shifting

1:11:01

Unknown: The operations that we thought were just variable in the past are being pushed beyond the variability that we were used to seeing and

1:11:07

Unknown: They're singular events. They're intra

1:11:10

SPEAKER_01: intra-annual inter-annual all of the variability we've come to handle it brings new complexities new risks

1:11:16

SPEAKER_01: but we remain flexible and we continue to operate the system in such a way that we can ensure reliability and

1:11:22

SPEAKER_01: constant

1:11:24

Unknown: And that's all I have if anyone has any question, okay any questions

1:11:31

Unknown: Yes director fishman

1:11:33

Unknown: Thank you. This is also

1:11:35

Unknown: You know a relatively optimistic kind of said, okay

1:11:39

SPEAKER_05: Yes, it's the things are going crazy, but we know they're going crazy and we can manage that because my question and I

1:11:46

Unknown: For Paul and other senior staff here. Do we need to rethink the way that we manage our rate stabilization funds based on this

1:11:55

SPEAKER_05: extreme

1:11:57

SPEAKER_05: Circumstances that we're saying and and you know, it's based on precipitation, but that that isn't necessarily

1:12:04

Unknown: That's the right number to look at if we're talking about how it how it affects our operations and

1:12:10

SPEAKER_05: and I'm wondering do we do we need to to rethink the way we

1:12:15

Unknown: When how we put money into the rate stabilization fund when I we take money out

1:12:20

Unknown: Yep. So this is something that we actually look at. We always look at really how much will these

1:12:25

SPEAKER_08: Generation hydro generation that we can actually expect from our you know from our reservoirs, right?

1:12:30

SPEAKER_08: Because each drop water runs through the multiple reservoirs

1:12:32

SPEAKER_08: So we always actually do a forecast in terms of based on the precipitation that we have

1:12:37

SPEAKER_08: Based on the snowpack that we have and the reservoir level coming into the year

1:12:42

SPEAKER_08: Then we actually look at all those and say well this look like it's gonna be a normal year or

1:12:47

SPEAKER_08: As far as about changing the rate stabilization fund a hydro space legislation fund

1:12:51

SPEAKER_08: we always actually calculating that if you remember how we actually just adjusted our commodity because the

1:12:58

SPEAKER_08: Volatility of the market has changed so much and we're recommended to the board that we need to change it to increase it

1:13:04

SPEAKER_08: so when the time comes that when we actually see the changes is sustained and

1:13:08

SPEAKER_08: We need to go ahead and change the level of funding that we put into it

1:13:11

SPEAKER_08: We'll probably go back to the board

1:13:13

SPEAKER_08: but right now she said it was really interesting right now is that the number of days of

1:13:17

SPEAKER_08: Presentations not changing and even if you look at the numbers the number of the inches that we have is not changing out much

1:13:24

SPEAKER_08: but the promise is that

1:13:25

Unknown: when it comes in and then does have do you have any snowpack coming in behind that because you can have the number of

1:13:31

SPEAKER_08: Inches of rain but and if you have a huge snowpack and you see in a couple of those examples

1:13:35

SPEAKER_08: So that's really what we're trying to look at right now is that when you combine?

1:13:39

SPEAKER_08: The inches of rain that you get and there's no pack the feet of that you have and and when did it last?

1:13:45

SPEAKER_08: Yeah, did it come in right during the winter and then all sudden by March?

1:13:48

SPEAKER_08: They're all gone because it doesn't last right that's what we're looking at

1:13:51

SPEAKER_08: So the team is actually constantly looking at that to see we need to adjust the dollar amount that we have on there

1:13:56

SPEAKER_08: Okay. Thank you

1:13:59

Unknown: Well Christina I I want to say that I am very

1:14:04

SPEAKER_13: Glad that we have so many people watching this because it is pretty complex

1:14:11

SPEAKER_13: But I wanted to ask a little bit about

1:14:14

SPEAKER_13: Are you our system like how long do you think that will?

1:14:20

SPEAKER_13: Continue to function as an asset for smud

1:14:26

Unknown: I'm gonna have to defer that question. I think that would be a Josh. Yeah

1:14:33

SPEAKER_13: We brought them out

1:14:37

SPEAKER_02: It's actually a great segue, you know, our FERC license goes out to 2064

1:14:43

SPEAKER_04: Generally when you think of hydro assets or hundred-year assets, you know 2064

1:14:48

SPEAKER_04: Puts us at right about a hundred hundred two for our oldest

1:14:52

SPEAKER_04: Hydro assets, so that's what we're planning to today, right? It's well beyond our 2030 plan. It's really a foundational

1:14:59

SPEAKER_04: Energy supply asset will continue to leverage into the future

1:15:03

SPEAKER_04: And this is why this work in these endeavors that we do in terms of long-term planning and forecasting are so critical

1:15:10

SPEAKER_04: Especially to our hydro assets

1:15:15

Unknown: Go ahead director. Yes. Yeah, I

1:15:18

SPEAKER_09: Wrote this up down before it just came out of your mouth. I was gonna ask

1:15:22

SPEAKER_09: One how do we see in terms of lower?

1:15:26

SPEAKER_09: Acre acre feet in like Union Valley

1:15:29

SPEAKER_09: I don't know Loon Lake up on my head, but but we rarely see Union Valley below we never see below 50% of its capacity

1:15:36

SPEAKER_09: I

1:15:37

Unknown: Guess I'd be curious to get into my head better. What's that sensitivity analysis before?

1:15:42

SPEAKER_09: Hey the reservoir is gonna start dropping below these certain thresholds that we historically see and

1:15:47

Unknown: How does that then interact with our FERC licenses and does our FERC license?

1:15:52

SPEAKER_09: adequately

1:15:53

SPEAKER_09: Allow us to operate in a highly climatically variable environment

1:15:58

Unknown: Yeah, no great question. So, you know as Christine highlighted, you know as we've seen that variability year in year out

1:16:05

SPEAKER_04: Really what was constant is at the end of our water year, right?

1:16:08

SPEAKER_04: That reservoir level and really managing to the unknown of what the next year has in store for us

1:16:14

SPEAKER_04: So it's really I would say those continued diligence and really best practice to manage our reservoir levels

1:16:20

SPEAKER_04: But but to your point within our FERC license today one of the bullets on here talks about

1:16:26

SPEAKER_04: reservoir management

1:16:28

SPEAKER_04: abnormal

1:16:30

SPEAKER_04: precipitation patterns and that really gives us a flexibility to manage our reservoir levels today with our

1:16:37

SPEAKER_04: Existing FERC license to be able to manage that reservoir level and we do see these abnormally low seasons

1:16:43

SPEAKER_04: And so as we talk about flexibility we talk about right the takeaway tonight is more extreme variability, right?

1:16:50

SPEAKER_04: We could all appreciate that but as we talk about how do we mitigate that it's with more extreme

1:16:56

SPEAKER_04: Right flexibility and in terms of our units in terms of our FERC license in terms of our reservoir and the capacity there

1:17:03

SPEAKER_04: So as we look at long term, these are quite frankly items. We are very focused on right?

1:17:09

SPEAKER_04: So it's not only the dry years but it's also the extremely wet years and how we manage that risk from a dam safety perspective

1:17:15

SPEAKER_04: So today we're looking at feasibility studies to potentially even elevate the the level of our reservoir Union Valley

1:17:23

SPEAKER_04: To have additional capacity

1:17:26

SPEAKER_04: So that's one mechanism that helps us with the low snowpack years to actually accumulate more of that in a shorter

1:17:33

SPEAKER_04: Window and preserve that for the summer months

1:17:36

SPEAKER_04: You know I was talking to director Fishman a little bit before the meeting today even looking at the future

1:17:40

SPEAKER_04: We see our winter peaking growing faster than our summer peaking

1:17:43

SPEAKER_04: So as we look out over the next coming decades

1:17:46

SPEAKER_04: Perhaps even the way we utilize our you are peanuts and the time at when we generate might shift to the winter months where we

1:17:53

SPEAKER_04: See more of that inflow

1:17:54

SPEAKER_04: So there might be some tell ones there that actually align with the way we would operate these units in the future

1:18:01

SPEAKER_04: So, you know as I talked about even managing, you know heavy wet years

1:18:05

SPEAKER_04: How do we also look at it from a dam safety perspective and we look at forecast informed reservoir operations?

1:18:12

SPEAKER_04: Were we have higher confidence in shorter forecast windows?

1:18:16

SPEAKER_04: We can make informed decisions in the short term either to release more water or to hold more water in our reservoir

1:18:22

SPEAKER_04: You know, we're looking at strategic partnerships to potentially install additional tunnels at Union Valley. This would allow us in very

1:18:30

SPEAKER_04: you know short amount of time to actually

1:18:33

SPEAKER_04: Remove more water from the reservoir if we see, you know from a forecast perspective a very significant rain event happening or perhaps

1:18:41

SPEAKER_04: You know pun intended a perfect storm where we have a decent snowpack and we see an extreme quick

1:18:47

SPEAKER_04: Warming weather and then water on the horizon where we might get an extreme inflow into our reservoirs. How do we manage that?

1:18:53

SPEAKER_04: So it's with additional tunnels. We're looking at some of those projects. We're looking at an additional powerhouse

1:18:59

SPEAKER_04: To leverage that energy if we do install that again, these are long terms, you know beyond a decade, but we're studying these now

1:19:07

SPEAKER_04: The other component to to manage kind of this these low water years is pumpback storage, right?

1:19:12

SPEAKER_04: That's been something smut has evaluated in the past

1:19:14

SPEAKER_04: We continue to look at projects like that that may provide benefit in the future as we see more of these extreme

1:19:21

SPEAKER_04: Variabilities so we continue to kind of look at all of these type of projects again to increase

1:19:27

SPEAKER_04: Flexibility and to manage this fair ability better into the future. I

1:19:30

SPEAKER_04: Think one of the other key themes is you know

1:19:35

SPEAKER_04: Partnerships right as we think about partnerships. How do we continue to?

1:19:40

SPEAKER_04: Not only fund but support higher fidelity models that we have higher confidence in that we can make decisions in the short term

1:19:47

SPEAKER_04: To again either hold water back or to release water and to generate at different parts of our annual season

1:19:53

SPEAKER_04: So that's a critical component. But in addition, you know as we continue this is plan execute measure correct these endeavors continue

1:20:00

SPEAKER_04: They never really end. So as we continue to look at the future, you know

1:20:04

SPEAKER_04: Some additional research research questions and opportunities we continue to look at tonight

1:20:09

SPEAKER_04: We talked a lot about the forecast

1:20:11

SPEAKER_04: Informed reservoir operations will continue to look at those opportunities and how we might leverage those in the future as we become more

1:20:19

SPEAKER_04: Confident in some of the short-term weather forecasts and models

1:20:23

SPEAKER_04: Again with these extreme storms as we talk about, you know

1:20:27

SPEAKER_04: Generally speaking one of the largest risks to all utilities in the West is wildfire risk

1:20:32

SPEAKER_04: So as we continue to look at warming temperatures and in in and around the you are what that does to the energy release

1:20:39

SPEAKER_04: Component of the fuel we talked about drying fuel that increases risk of wildfire

1:20:44

SPEAKER_04: Continue to look at our practices around veg management. We do an excellent job today, but as conditions continue to change

1:20:51

SPEAKER_04: What might those changes in our practices be in the future?

1:20:55

SPEAKER_04: But as we think about general warming around our you are right even looking at from the perspective of what could be the impact to

1:21:02

SPEAKER_04: Just the vegetation what could be the impact to the natural carbon sequestration we have there

1:21:07

SPEAKER_04: What could be the impact of water storage and runoff and how quickly that occurs?

1:21:12

SPEAKER_04: So these are our items were continuing to look at and I think as we think about kind of the weather community the forecasting community

1:21:20

SPEAKER_04: also continuing to look at

1:21:22

SPEAKER_04: Advancements and best available technology in terms of weather modeling in terms of instrumentation in and around our Europe you are facets

1:21:30

SPEAKER_04: We have quite a bit today

1:21:31

SPEAKER_04: But as we look at the future are there better instruments are there different types or different locations where we can monitor to get

1:21:37

SPEAKER_04: Higher fidelity input into you know our future forecast

1:21:41

SPEAKER_04: So I think I'll in there by just congratulating and thanking the team again. This is

1:21:48

SPEAKER_04: Really an endeavor that continues every year

1:21:51

SPEAKER_04: Appreciate the collaboration with our industry partners and experts and sharing their knowledge tonight

1:21:56

SPEAKER_04: And happy to answer any any questions if there are any

1:21:59

SPEAKER_04: Do we have any other?

1:22:03

Unknown: Press this word to doing a prediction in gigawatt hour production, and how it might decline

1:22:10

SPEAKER_09: But the building is going to be a huge

1:22:13

SPEAKER_09: range

1:22:14

SPEAKER_04: Yeah, you know I would just say today

1:22:17

SPEAKER_04: We we do see that variability even in the last five years. We've seen two and a half gigawatts

1:22:23

SPEAKER_04: We've seen as low as half a gigawatt

1:22:26

SPEAKER_04: So we see that extreme variability today and again a lot of that's to you know

1:22:31

SPEAKER_04: Manage our reservoir levels for the next season, but I think that's where the the hydro stabilization fund really

1:22:37

SPEAKER_04: You know supports how we manage that variability in terms of kind of that commercial side and commodity management

1:22:44

SPEAKER_04: But certainly you know that's something we continue to look at and how we would manage that variability

1:22:51

Unknown: Yes, go ahead director Fisher Josh one of the first major votes

1:22:56

SPEAKER_05: I had to take when I first got on the board was on Iowa Hill the pump storage

1:23:02

SPEAKER_05: Project and I suspect I suspect that that was probably the right decision from a financial standpoint to kill the project

1:23:10

Unknown: But from an operational standpoint it would be a pretty nice asset to have right now

1:23:16

Unknown: Yeah, I would concur with that right just in terms of talking about flexibility, right?

1:23:21

SPEAKER_04: It certainly provides additional flexibility to manage this variability and in that reason alone absolutely

1:23:28

Unknown: But it again it was I mean the cost was over a billion and and and going up and

1:23:35

SPEAKER_05: I'm you know, I mean even even given what we know now and based on this

1:23:39

Unknown: I'm not sure it would have penciled out but from an operational standpoint would have been pretty cool

1:23:44

SPEAKER_05: Yeah, and that's really kind of that next phase of our continued research

1:23:49

SPEAKER_04: Right is looking at the feasibility and really the payback of future pump storage kind of looking at the future environment

1:23:56

SPEAKER_04: What is that economic value and is it there to justify the investment?

1:24:01

Unknown: Well

1:24:03

Unknown: Thank you Josh and thank you to your team. Oh my gosh, there's another person. Yes

1:24:10

Unknown: quick question on

1:24:12

SPEAKER_03: Dredging I know several lakes to the north of the highway 80 have had some good success dredging the smaller lakes

1:24:19

SPEAKER_03: I'm just wondering if we're also considering something like that. Yeah, we absolutely are, you know, just

1:24:25

SPEAKER_04: Maybe I'll say some of the initial studies we've done doesn't show a huge benefit to dredging in terms of adding additional

1:24:34

SPEAKER_04: Capacity but we continue to look at those options into the future, right that changes as you develop more sediment in the reservoirs

1:24:40

SPEAKER_04: And we've also looked at you know, what are more economical and ecological ways

1:24:45

SPEAKER_04: We could actually use that material that we dredge to kind of support the local environment

1:24:49

SPEAKER_04: So we continue to look at those multi-benefit type of projects with dredging and we continue to look at it. Okay. No, thanks

1:24:56

SPEAKER_03: Just wanted to be sure and make sure we maintain the rights to the goal

1:25:04

Unknown: Thank You director kirth we do have a speaker on this item and

1:25:10

SPEAKER_13: So I would like to call David Wright up to the podium and just remind you

1:25:18

SPEAKER_13: To speak into to speak into the microphone, but don't touch it

1:25:24

SPEAKER_13: and we need for you to state your name for the record and

1:25:30

Unknown: There you go welcome

1:25:33

Unknown: Thank You director Herbert and the rest of the committee and the members of the board

1:25:40

Unknown: And thank dr. Aniston and dr. Daugherty and

1:25:44

Unknown: Ms. Gianini for the wonderful presentations

1:25:49

SPEAKER_06: I

1:25:51

SPEAKER_06: I think

1:25:54

Unknown: Maybe they buried the lead though

1:25:57

SPEAKER_06: Because it seems to me that the bottom line here is that on average

1:26:02

SPEAKER_06: Smud will not be able to produce as much hydropower

1:26:06

Unknown: Over the coming years as it has in the past

1:26:09

Unknown: because

1:26:10

SPEAKER_06: You're losing that snowpack reservoir

1:26:14

Unknown: As Gianini said snowpack is pivotal it is our largest reservoir

1:26:20

Unknown: so without that snowpack reservoir all you

1:26:24

SPEAKER_06: Most of what you're getting is rainfall

1:26:27

Unknown: You have to be careful about extreme rainfall events

1:26:30

SPEAKER_06: I think most of your public doesn't realize this but dams are not in California are not really big enough

1:26:37

Unknown: To hold all the water that can come down the the water shed in an extreme rainfall event

1:26:44

SPEAKER_06: So you have the risk of overtopping a dam, you know more waters coming in that goes out. So

1:26:51

SPEAKER_06: We don't want another Oroville

1:26:54

Unknown: You have to err on the side of safety and that restricts the amount that you can use rainfall

1:27:01

Unknown: And storage so

1:27:05

SPEAKER_06: Smud is going to need more flexibility to adjust to

1:27:14

Unknown: It what should become increasingly precise and accurate storm

1:27:20

SPEAKER_06: Temperature rain and snow forecasts. I think our models of weather are getting better and better

1:27:26

SPEAKER_06: And so if there are ways that Smud can adjust

1:27:31

SPEAKER_06: quickly to those

1:27:34

SPEAKER_06: Forecasts that will be useful in in saving as much rainfall as possible

1:27:41

Unknown: But on average I think that and I'd love to hear differently

1:27:45

SPEAKER_06: But I think that Smud will have to plan for on average having less hydro

1:27:49

Unknown: So my question would be how will the zero carbon goals?

1:27:54

SPEAKER_06: Be affected power the plans be altered in the face of that change. Thank you

1:28:02

Unknown: Thank you very much David

1:28:04

SPEAKER_13: Chief legal officer have we received any request to speak on item number one? Yes from John

1:28:13

Unknown: Okay

1:28:15

Unknown: So John you're next

1:28:19

Unknown: Hello, can you hear me? Yes, we can

1:28:22

Unknown: Good evening chair board and committee. I just want to say those were some outstanding

1:28:28

SPEAKER_11: presentations and I was just wondering is it possible to

1:28:33

SPEAKER_11: Install floating solar on a portion of any of our reservoirs to reduce

1:28:40

SPEAKER_11: Evaporation as well as to produce electricity. Thank you

1:28:47

Unknown: Thank you and

1:28:49

SPEAKER_13: I'll turn to our

1:28:51

SPEAKER_13: General manager, do you have an answer for that question?

1:28:56

SPEAKER_13: I'm imagining we've we study that sort of thing Paul if you don't mind I think it addresses

1:29:02

SPEAKER_04: So actually Quince an alley just a week and a half ago

1:29:06

SPEAKER_04: We met with a vendor who has this technology deployed on reservoirs in Europe

1:29:11

SPEAKER_04: So we are looking at the feasibility of this for our reservoirs namely Union Valley

1:29:16

SPEAKER_04: So at this point we're working through term sheets if you will to just understand the economics of it

1:29:23

SPEAKER_04: Will it kind of pencil out relative to other renewable assets we have and and does it actually provide that?

1:29:30

SPEAKER_04: Much benefit in terms of evaporation rates and helping retain, you know, some of the the reservoir level

1:29:36

SPEAKER_04: So we're actively looking at that as you would imagine

1:29:39

SPEAKER_04: As well as many other types of resources, especially as we enter into our integrated resource plan

1:29:47

SPEAKER_13: Wonderful Josh, thank you and

1:29:49

SPEAKER_13: Thank you John for the question

1:29:53

SPEAKER_13: the next item on the agenda is public comment for items not on the agenda and

1:29:59

SPEAKER_13: We do have another comment card

1:30:03

SPEAKER_13: David Wright, please come forward. Please speak into the microphone. Don't touch it and

1:30:10

SPEAKER_13: State your name for the record

1:30:13

Unknown: Hi, my name is David Wright

1:30:15

Unknown: I'm representing 350 Sacramento

1:30:21

Unknown: We are concerned about data centers

1:30:25

Unknown: there

1:30:26

SPEAKER_06: We've just learned about a data center

1:30:30

Unknown: At McClellan or near McClellan called prime data center 26 megawatts

1:30:36

SPEAKER_06: Which is not tiny

1:30:38

SPEAKER_06: Although there are much bigger data centers

1:30:41

SPEAKER_06: In the works elsewhere around the country

1:30:47

Unknown: So many questions about this

1:30:50

Unknown: Not that I know everything about what happens with smud but

1:30:55

Unknown: Why is this kind of thing not more well known?

1:30:59

Unknown: What does this do to those your carbon plan?

1:31:03

Unknown: What do your customer owners get to say about such things?

1:31:08

SPEAKER_06: such big

1:31:10

Unknown: giant consumption of electricity and and burden on the zero carbon plan

1:31:17

Unknown: Does smud even have discretion and you know in the case of other?

1:31:23

Unknown: Data centers like this

1:31:25

Unknown: Or even bigger ones would you have the ability to say no and if not can you gain the ability to say no?

1:31:33

SPEAKER_06: So

1:31:35

Unknown: This is going to be a large future future issue, and we'd certainly like to hear more about this kind of thing publicly. Thank you

1:31:45

Unknown: Thank you very much for your comments, I want you to know that

1:31:50

SPEAKER_13: The smud board is actively looking at this we had a

1:31:55

SPEAKER_13: you know a session about

1:31:58

SPEAKER_13: AI development and loads coming and

1:32:02

SPEAKER_13: So our staff is working on this in the sense that we want to develop a process

1:32:09

SPEAKER_13: where

1:32:11

SPEAKER_13: You know we have the ability to make sure that they're paying for their

1:32:18

SPEAKER_13: The facilities that will serve them

1:32:22

SPEAKER_13: It is true that we haven't

1:32:25

SPEAKER_13: And I can't say a whole lot. I can see our lawyer

1:32:28

SPEAKER_13: You know like this is not on the agenda

1:32:30

SPEAKER_13: So I I'm just saying that we will have another meeting coming up where we will be talking about

1:32:40

SPEAKER_13: Data centers and how smud will

1:32:44

SPEAKER_13: Be dealing with them, but I can tell you everybody on this board is very much aware of things that are happening and

1:32:52

SPEAKER_13: We are not going to let big companies come into our service territory

1:32:57

SPEAKER_13: And you know take our low rates and make us pay for their infrastructure

1:33:03

SPEAKER_13: So I've probably said too much

1:33:06

SPEAKER_13: And so I'm just going to go ahead and say that written comments

1:33:12

SPEAKER_13: Received on items not on the agenda will be included in the record if they're received within two hours of the end of the meeting

1:33:20

SPEAKER_13: And the last item on the agenda is to provide a summary of committee direction

1:33:27

Unknown: I don't have anything

1:33:28

Unknown: Okay, well then with that this meeting is concluded