309
AXUS76 KSTO 250014
DGTSTO
CAC003-005-007-009-011-017-021-035-057-061-063-067-077-089-091-
095-099-101-103-109-113-115-010015-
DROUGHT INFORMATION STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
414 PM PST TUE JAN 24 2023
...EXCEPTIONAL DROUGHT CONDITIONS ACROSS MOST OF NORTHERN
CALIFORNIA...
SYNOPSIS...
ACCORDING TO THE U.S. DROUGHT MONITOR, MUCH OF INLAND CALIFORNIA
IS IN D4 EXCEPTIONAL DROUGHT. THE EXCEPTION IS THE HIGH SIERRA
WHICH IS IN D3 SEVERE DROUGHT CONDITIONS. THE DROUGHT
CLASSIFICATIONS ARE DUE TO THE PRECIPITATION DEFICIT OF THE 2020
THROUGH 2022 DRY WATER YEARS.
HTTPS://DROUGHTMONITOR.UNL.EDU/CURRENTMAP/STATEDROUGHTMONITOR.AS
PX?CA
THE DROUGHT EMERGENCY DECLARED BY GOVERNOR NEWSOM ACROSS
50 COUNTIES IN CALIFORNIA ON MAY 10, 2021, REMAINS UNCHANGED. THE
EMERGENCY PROCLAMATION WAS ISSUED IN RESPONSE TO BELOW NORMAL
PRECIPITATION THE PAST 3 YEARS. D4-EXCEPTIONAL DROUGHT
CLASSIFICATION INDICATES EXCEPTIONAL AND WIDESPREAD CROP/PASTURE
LOSSES AND SHORTAGES OF WATER IN RESERVOIRS, STREAMS, AND WELLS
CREATING WATER EMERGENCIES. THE DECLARATION PAVES THE WAY TO
EXPEDITIOUSLY MITIGATE THE EFFECTS OF DROUGHT CONDITIONS TO ENSURE
THE PROTECTION OF HEALTH, SAFETY, AND THE ENVIRONMENT.
SUMMARY OF IMPACTS...
AGRICULTURE, LIVESTOCK AND RANGELAND DAMAGES AND LOSSES CAUSED BY
THE DRY CONDITIONS. ABNORMALLY DRY VEGETATION CONTRIBUTED TO THE
RECORD 2020 AND 2021 FIRE SEASON WITH SEVERAL LARGE, DEVASTATING
FIRES. NUMEROUS HYDROLOGIC POWER STATIONS ARE RUNNING AT A
DEGRADED STATE OR ARE UNABLE TO GENERATE POWER DUE TO THE LACK OF
WATER STORAGE IN RESERVOIRS. WATER STORAGES AT MANY OF THE LARGE
RESERVIOR ARE BELOW THE LOWEST LEVELS DURING THE 2011-2016
DROUGHT.
CLIMATE SUMMARY...
THE 2020, 2021 AND 2022 WATER YEARS HAVE BEEN EXTREMELY DRY OVER
NORTHERN CALIFORNIA, RANKING AMONG THE TOP TWO DRIEST FOR A
3 YEAR PERIOD AT MANY LOCATIONS. THE SUMMER OF 2020 AND 2022 WERE
AMONG THE HOTTEST ON RECORD FOR MANY LOCATIONS IN NORCAL.
THE NORTHERN SIERRA 8 STATION PRECIPITATION INDEX FOR THE
2022 WATER YEAR FINISHED AT 43 INCHES OR 81% OF NORMAL. THE 5
STATION SAN JOAQUIN BASIN INDEX FINISHED AT 25.3 INCHES OR 63% OF
NORMAL, WHICH WAS THE 8TH DRIEST ON RECORD.
PRECIPITATION/TEMPERATURE OUTLOOK...
THE CLIMATE PREDICTIONS CENTER’S OUTLOOK FOR OCTOBER-NOVEMBER-
DECEMBER 2022 FAVORS ABOVE AVERAGE TEMPERATURES AND AN EQUAL
CHANCE OF ABOVE OR BELOW AVERAGE PRECIPITATION.
NEXT ISSUANCE DATE... THE NEXT SCHEDULED PRODUCT WILL BE ISSUED
IN LATE SEPTEMBER OR SOONER IF NECESSARY IN RESPONSE TO
SIGNIFICANT CHANGES IN CONDITIONS.
RELATED WEBSITES... CALIFORNIA DATA EXCHANGE CENTER:
HTTP://CDEC.WATER.CA.GOV/
CALIFORNIA NEVADA RIVER FORECAST CENTER:
HTTP://WWW.CNRFC.NOAA.GOV/DROUGHTINFO.PHP
U.S. DROUGHT MONITOR:
HTTPS://DROUGHTMONITOR.UNL.EDU/CURRENTMAP/STATEDROUGHTMONITOR.
ASPX?CA
NATIONAL INTEGRATED DROUGHT INFORMATION SYSTEM:
HTTPS://WWW.DROUGHT.GOV/STATES/CALIFORNIA
CALIFORNIA DEPARTMENT OF WATER RESOURCES DROUGHT PAGE:
HTTPS://WATER.CA.GOV/WATER-BASICS/DROUGHT
CLIMATE PREDICTION CENTER: HTTPS://WWW.CPC.NCEP.NOAA.GOV/
HTTPS://WWW.CPC.NCEP.NOAA.GOV/PRODUCTS/MONITORING_AND_DATA/
DROUGHT.SHTML
NATIONAL CENTER FOR ENVIRONMENTAL INFORMATION:
HTTPS://WWW.NCDC.NOAA.GOV/SOTC/DROUGHT/
NATIONAL WEATHER SERVICE SACRAMENTO: HTTP://WWW.WRH.NOAA.GOV/STO/
NATIONAL WEATHER SERVICE CALIFORNIA DROUGHT INFORMATION
RESOURCES:
HTTPS://WWW.WEATHER.GOV/SAFETY/DROUGHT-WW ASSOCIATION OF
CALIFORNIA
WATER AGENCIES: HTTP://WWW.ACWA.COM
ACKNOWLEDGMENTS... CLIMATE PREDICTION CENTER DROUGHT MONITOR
CALIFORNIA NEVADA RIVER FORECAST CENTER NATIONAL WEATHER SERVICE
SACRAMENTO CALIFORNIA DEPARTMENT OF WATER RESOURCES CALIFORNIA
STATE
CLIMATOLOGIST US BUREAU OF RECLAMATION CAL FIRE ASSOCIATION OF
CALIFORNIA WATER AGENCIES LOCAL COUNTIES AND CITIES
QUESTIONS AND COMMENTS...PLEASE REFER ALL QUESTIONS TO W-
STO.WEBMASTER@NOAA.GOV.
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