D R O U G H T & F L O O D P R E P A R E D N E S S & R E S P O N S E

SWP and CVP Operations Update

State Water Resource Control Board

June 21, 2016

D R O U G H T R E S P O N S E A C T I V I T I E S

John Leahigh

CA Department of Water Resources

Ron Milligan

US Bureau of Reclamation

http://www.wrcc.dri.edu/cgi-bin/anomimage.pl?calOctPpct.gif

Percent of Average Precipitation (% ) 10/ 1/2015 - 6/1 8/ 2016

1 110 120 Generated 9/ 2016 <It WRCC using provisional data. NOAA Reqionol Climate Centers

100

95

90

85

80

- 75 II) Q)

..1: u 70 .5 -r::: 65 0

~ ... 60 a. u ~ 55 c.. >- 50 :E ... r::: 0 45 ~ >-cu 40 c Q) 35 > ~ ::J 30 E ::J

25 u

20

15

10

5

0

North Sierra Precipitation: 8-Station Index, June 15, 2016

------MSC- Mount Shasta City

4 .----~SHA - ShastaOan

....-----~. MNR - Mineral ~ ~QRO - Quincy

Oct 1

• ~ BCM - Brush Creek

• ~SRR - Sierraville RS .,:.---BYM - Blue Canyon

... .--PCF- Pacific House

Nov 1 Dec 1 Jan 1 Feb 1 Mar 1

Percent of Average for this Date: 118%

1982-1983 (wettest) _____ ......... --~-_...~--- 88.5

1997-1998 __ _. __ ....,. __ ....,. ____ 82.4

Current Daily Preci~

Average (1922-1998) 60.0

r::: 0

~ ... a. u Q) L. c.. L. cu Q)

>-L. Q) ...

2014-2015 Daily Precip ~ _____ ,_-----____;-~- 37.2 >

'jij -0 1-

1976-1977(2nd driest & driest thru Aug) 19.0

Apr 1 May 1 Jun 1 Jul 1 Aug 1 Sep 1 Oct 1

Water Year (October 1 - September30)

90 San Joaquin Precipitation: 5-Station Index, June 15, 2016

Percent of Average for this Date: 102%

85 CVT. Calaveras Big Trees

80

75

70 -(/)

~ 65

77.4 I HTH • Hetch Hetchy

jYSV - Yosemite Headquarters

j j NFR - North Fork RS • • Jj; HNT . ....... fl.on Lo ..

1982-1983 (wettest)

1997-1998 65.2 0 r:::: :.:. 60 r:::: 0 :;; !! 55 ·a.

r:::: 0

~ -~50 0..

... a. 0 G)

~ 45 ... r:::: 0

::?! 40 -:z:. ·; 35 c

Current Daily Precip: 40.0 Average (1961-2010)

L. 0.. L. t'O

40.8 G)

>-L. G) ... ~

G)

> ·- 30 iU

jij -0 1-

::J

E 25 ::J u

20 ------,...,.,~A:?:n1'!;-n'ili;p';~:- 19.0 _ 14-2015 Daily Precip 15.4

15

10 1976-1977(2nd driest & driest thru Aug)

5

0 Oct 1 Nov 1 Dec 1 Jan 1 Feb 1 Mar1 Apr 1 May 1 Jun 1 Jul1 Aug 1 Sep 1 Oct 1

Water Year (October 1 -September 30)

Tulare Basin Precipitation: 6-Station Index, June 15, 2016 70 ~~~~~~--------------------------------------------------------------~

65

60

55

-Ul G)

-5 50 1::

1:: 0 45 ~ -·a. ·u 40 ~

Q..

~35 .c -1:: 0

~ 30 ~ "iU c G) 25 > ~

~ 20 ~

u 15

10

5

Oct 1 Nov 1 Dec 1 Jan 1

Percent of Average for this Date: 91%

1968-1969 (Wettest)

----------- 56.3

~--------~~,_....--- 54.2 1997-1998

Average (1961-2010) 29.3 Current Daily Precip:25.7

~

2014-2015 Daily Precip.

-~------r--J--~---=::==::=================== 13.5 ----------- 10.9 1976-1977 Daily Precip (Driest)

Feb 1 Mar 1 Apr 1 May 1 Jun 1 Jul1 Aug 1 Sep 1 Oct 1

Water Year (October 1 -September 30)

1:: 0

~ -a. u G) L.

Q.. L. cu G)

>-L. G)

1U s: (ij -0 1-

Forecast & Outlooks Precipitation forecast for July, August, September 2016

~·~

/~!\ ~~i l i ~ ~ ~ .... THREE-MONTH OUlLOO~ PRECIPITATION PROBABILilY 0.5 MONTH LEAD VALID JAS 2016 HADE lS JUN 20lS

l> A . ~ -""' ..... 1\ '-"'- .; • ~ I

J [C "EANS EQUAL ~ CHANC[ S rDR A. No 9 ....... c, A MI:ANS ABOVE N NI:ANS NORMAL ~ 8 NI:ANS 8ELDH ~

J r

Forecast & Outlooks Temperature forecast for July, August, September 2016

~·~

/~!\ ~~~ l g ~.. r ; ~"':7

THREE-MONTH OUTLOO~ TEMPERATURE PROBABILITY 0.5 MONTH LEAD VALlO JAS 2016 HADE lS JUN 20lS

~ ~."'"'~. ..... ~ '-'- .;- ~ .

J EC MEANS EQUAL ~ CHANC[ S rOR A. No 9 ....... c, A l't[ANS ABOVE N 11[ANS NORMAL 8 11EANS 8ELOH ~

~ r

California Snow Water Content, June 20, 2016, Percent of April1 Average

250 Percent o f Average for this Date: 24%

200

150

100

50 Average

0

250 Central Percent o f Average for this Date: 0%

200

150

100

50 2013-2014

0 0

250 South Percent of Average for this Date: 0%

200

150

100

50 1976-1977 Average

0 Dec Jan Feb Apr

0 May Jun Jul

e Percent of Apri I 1: 1% Statewide Percent of Average for Date: 8%

CURRENT PE~ERVOIR CONDITION_

2448 2000

1000

2"20 2000

1000

Tnmty Lake 54% 163%

~ New Melones 27% 142%

zon~ 1000 -

1000

I

San LUIS Reservo1r 23% 133%

s20 I

Millerton Lake

86% 1109%

Graph Updated 0612012016 12 15 PM

Lake Orov1lle

500 1

o - - 1 Perns Lake 36% 1 44%

2030

1000

Folsom Lake 79% 195%

Don Pedro Reservoir 77% 198%

Casta1c Lake 69% 179%

1025 1~

0 -Exchequer Resarvo1r 60% 185%

P1ne Flat Reservoir 63% 1 89%

Lake Shasta Conditions (as of Midnight- June 19, 2016)

LL 4 ,000 ~ :>. ....

3,000 ·c:;

"' Q. i1l u '- 2,000 ·o :0 Ql '- 1,000 Lll Ql

[:t:

0

Current Level: 4,014,020 AF

(Tot"~~~:ity) I (H"~~~~g ) Data Updated 06/20/2016 12:15 PM

Lake Shasta Storage Levels 4 ,750,000

4,500,000 Total Reservoir Capacity: 4,552,000 AF

4 ,250,000

4 ,000,000 4,014,020 AF

3 ,750,000

3 ,500,000

3 ,250,000

~ :5. 3 ,000,000

~ 2 ,750,000 ...J

-~ 2 ,500,000 ..., VI

~ 2,250,000 "' iii "' 2,000,000 ..:::: til ..., .... 1,750,000 "' ...J

1,500,000

1,250,000

1,000,000

750,000

500,000

250,000

0 ~----~------~------~----~------------~------~----~------~------~----~----~ Oct 1 Nov 1 Dec 1 .Jan 1 Feb 1 Mar 1 Apr 1 May 1 .Jun 1 .Jul 1 Aug 1 Sep 1

Water Year (October 1 - September 30)

Historical Average -- Tota l Reservoir Capacity -- 2012-2013 -- 2013-2014 2014-2015 -- 2015-2016(current) I

r Lake Oroville

Lake Oroville Conditions (as of Midnight - June 19. 2016)

u. 4,000 ~ >.. - 3,000 ·c:;

"' 0..

"' (.)

L... 2,000 ·o ;:,. Ill L...

1 ,000 111 Ill

1:1:::

0

Current Leve l: 3,130,995 AF

89% I 107% (Total CapaCity) (HIStoncal Avg.)

Data Updated 06/20/2016 12:15 PM

Lake Oroville Storage Levels

3,500,000 Total Reservoir Capacity: 3,537,577 AF

3 ,250,000

3,130,995 AF

3 ,000,000

2,750,000

2,500,000 ..::-5.

~ 2,250,000

...I

·~ 2,000,000 Cl>

"' &:! 1,750,000 ..9:!

~ 0 1,500,000 Cl> .... ('01

...I 1,250,000

1,000,000

750,000

500,000

250,000

0 Oct 1 Nov 1 Dec 1 .Jan 1 Feb 1 Mar 1 Apr 1 May 1 .Jun 1 .Jul 1 Aug 1 Sep 1

Water Year (October 1 - September 30)

Historica l Average - Tota l Reservoir Capacity - 2012-2013 - 2013-2014 2014-2015 - 2015-2016(current) I

Folsom Lake Conditions (as of Midnight- June 19, 2016)

1.000 u...

~ 750 » -"() 1'3 Cl. 1'3 500 u L...

·o :.. Q.J 250 L... Ill Q.J

r::r::

0

Current Level: 770,904 AF

79% I 95% {Total Capacity) {Hostorical A,g.)

Data Updated 06/20/2016 12:15 PM

..... ~

~ --'

-~ .., "' ~ ..,

.:00: ('a

--' E c .!!!. c .....

Folsom Lake Storage Levels

1,000,000

950,000 Total Reservoir Capacity: 977,000 AF

900,000

850,000

800,000

750,000

700,000

650,000

600,000

550,000

500,000

450,000

400,000

350,000

300,000

250,000

200,000

150,000

100,000

50,000

0 Oct 1 Nov1 Dec 1 J a n 1 Feb 1 Ma r 1 Apr 1 May1 .Jun 1 .Jul1 Aug 1 Sep 1

Water Year (October 1 - September 30)

Historical Average - Tota l Reservoir Capac ity - 2 012-2013 - 2013-2014 2014-2015 - 2015-2016(current) I

New Melones Conditions (as of Midnight- June 19, 2016)

LL 4,000 ~ >. - 3,000 '(3 ,., a.. f1l u

L.. 2,000 ·c; ::. a! L..

1,000 111 a!

Cl:

0

Current Level: 643,101 AF

27% I 42% (Total Capacity) (Historical A·1g.)

Data Updated 06/20/2016 12 15 PM

..... :'!..

~ --'

·~ Q.>

"' &:! "' Q.> = Cl a:;

== ~ Q.> :z

New Melones Storage Levels 2 ,500,000

2 ,400,000 Total Reservoir Capacity: 2,400,000 AF 2,300,000

2,200,000

2 ,100,000

2,000,000

1,900,000

1,800,000

1,700,000

1,600,000

1,500,000

1,400,000

1,300,000

1,200,000

1,100,000

1,000,000

9 00,000

800,000

700,000

600,000

5 00,000

400,000

3 00,000

2 00,000

100,000

0 Oct 1 Nov 1 Dec 1 J an 1 Fe b 1 Mar 1 Apr 1 May 1 Jun 1 Jul 1 Aug 1 Sep 1

W ater Year (October 1 - Septe mbe r 30 )

Historica l Average - Total Reservoir Capacity - 2012-2013 - 2013-2014 2014-2015 - 2015-2016(current) I

Lake Shasta lsothermalbaths - 2016 {Water Temperature, in °F)

~~----------------------------------------------------------------------------------------,

«DD

4200

4000

3aoO

3600

3<WO

3200

3000

2800

2000

1800

1600

t.roo

1200

1000

800

600

400

200

0 1 -~ 1-feb 1-May 1-JUJ 1-Aug 1-Sep 1-0ct 1-Dec

o60--02

•

Starting Date:. 061031201,6

Ending E>ate:· Current

Upper·Gates

Middle Gates

Pressur-e Relief Gates IPRG's)

Silt~ Gates

Temperature Control Devi ce (TCO)

c::J Arrr1Ns indicate opeo Ga1e or Outlet ~..e. ·WateJ flowing from 1his location)

River Outlets

E'l~vation

6 Outlets

Wat.N Temp. r F)

oiHO

06~

o S0-6

D 5B-00

• - &-5&

Prim! cs.a CXlCieded 051'31.'2016

58.0

57.5

57.0

56.5

56.0

55.5

55.0

, ... \

.... I \ - \ \

\

-- ' , ..

I \ ' I

" \ I

. -- \

Sacramento River Water Temperatures 2016 (° F)

I

___L' , ---~- ..,.-·~- I

" I I

.. --1

I I "' , '

" ' ~

, .. " \

' ' " I ' ...

'-" \ \

\

...... \ I I I

-" \ \ ,"' --+-~--~--~'~--~--~--~--~~~ ... ~ ... ~----~----~~-~~~~---+---'~---~-;---'~---~'~---+~' --~--.1 -- ...

I ....-... I' ... .. ', I - ~ , , ... , , ~ , , .. .., r \ I .. ... ,

~5 ~~~~/~ ·~~ -r--~r,----~-4~'~-T1-r--,---T---~~~-+---r~~~,---~T'---~~,~--~---r---r~~~~~ ' .. ~ I \ 1 \ I I I v .................. ', ' I

50.5 I I I

I I I / """' ,I

~.0 _I H \ I +- ,' / ./..J.----r-ll -----,.~·1j..; --~---+-____.::*=~~"'-=--~",-,---,-+--..,-_--1-.. ----=i-------+--

53.5 .._ I ri / +- --1- -v=~- I I , ' ~ +-.,. ..---1 \ I ,/ / l -- '- -- \ , ,

510 L \-, '- :, I 7 -/ : . -L. - -~-L ~ :- r- ............. ~I " - t

525 - - ~\ \ \ ,' , /v I ~ \j tf ~"j-- ......_~ r--, ::: --t--1-- Jj\1 ~~~ V r\ L ~ - v ~ ~ -

510 - • • • • .- ~~ I I I

50. 0 ~--~----_. __________ ~--~~~~--~--~----------------~--~--~--~--~----------------~~ 5/15 5/17 5/19 5/21 5/23 5/25 5/27 5/29 5/31 6/2 6/4 6/6 6/8 6/10

- KWK Hour~ - SAC Daily Avg --CCR Da~y Avg - - - SAC Daily Max - - - CCR Daily Max

~ ~--------~

ill:ll

• iiCII~

•

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• · . KU

•

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