water supply and drought management update - jan. 22, 2015
TRANSCRIPT
Presentation by: Alexi Schnell, Water Resources Specialist
Water Planning Committee January 22, 2015
Water Supply and Drought Management Update
Photo: California Weather Blog/ Bartshé Miller
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SWP Allocation for 2015 Initial allocation of 10% of requested deliveries
Revised allocation of 15% (announced Jan. 15)
May change based on volume of rain and snow the remainder of this winter
Year SWP Final Allocation
2014 5% 2013 35% 2012 65% 2011 80%
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4
Sierra Snowpack Conditions
Snowpack Area
Percent of Normal for
Jan. 20, 2015 Northern Sierra 34% Central Sierra 31%
Southern Sierra 31% Statewide 31%
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Percentage of State in Exceptional Drought
January (39%)
(as of Jan.13)
November (55%)
December (32%)
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Colorado River Hydrologic Conditions January 20, 2015
Water year 2015 precipitation 85% of average (9.1 inches)
Basin snowpack water content 93% of average
Combined storage in Lake Mead and Lake Powell 2015: 22.2 MAF, 44% Capacity 2014: 22.5 MAF, 45% Capacity
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Local Service Area Conditions
Local reservoir storage on December 29, 2014 was approximately 237,906 AF, or 41% of capacity
Water Year 2015 Precipitation
Through January 20, 2015
Station Actual in. % Normal
Lindbergh Field 5.24 119%
Ramona Airport 5.23 80%
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Fiscal Year Potable Water Use in Water Authority Service Area
20,000
40,000
60,000
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Acre-Feet
Water Use FY14 (AF) Water Use FY15 (AF)
Figures include urban and agricultural water use.
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Average Daily Maximum Temperature at Lindbergh Field – Departure from Normal (oF)
-2.0
0.0
2.0
4.0
6.0
8.0Fiscal Year 2014 Fiscal Year 2015
Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun
Hotter
Cooler
Precipitation Outlook January 23 – 29, 2015
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Precipitation Outlook February 2015 – April 2015
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Temperature Outlook February 2015 – April 2015
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