Weather Service Report
…DROUGHT STATEMENT FOR NEVADA AND EASTERN CALIFORNIA…
…MODERATE TO EXTREME DROUGHT CONDITIONS IN MOST OF NEVADA AND EASTERN CALIFORNIA…
…ALL NEVADA COUNTIES…AND ALL CALIFORNIA COUNTIES BORDERING NEVADA HAVE BEEN DESIGNATED NATURAL DROUGHT DISASTER AREAS BY THE U.S. DEPARTMENT OF AGRICULTURE…
1/ NEVADA AND EASTERN CALIFORNIA DROUGHT DISASTER DESIGNATIONS… AS OF MAY 15 2013…ALL COUNTIES IN NEVADA AND ALL CALIFORNIA COUNTIES ALONG THE NEVADA BORDER HAD BEEN DESIGNATED NATURAL DROUGHT DISASTER AREAS…EITHER AS PRIMARY COUNTIES OR CONTIGUOUS COUNTIES…BY THE U.S. DEPARTMENT OF AGRICULTURE.
PRIMARY DROUGHT DISASTER COUNTIES IN CALIFORNIA ALONG THE NEVADA BORDER INCLUDE MODOC…LASSEN…MONO…INYO AND SAN BERNARDINO.
ALL NEVADA COUNTIES HAVE BEEN DESIGNATED PRIMARY DROUGHT DISASTER COUNTIES WITH THE EXCEPTION OF EUREKA COUNTY.
IN NEVADA…THE AREAS OF EXTREME DROUGHT INCLUDED SOUTHWEST HUMBOLDT… EAST CENTRAL WASHOE…WESTERN AND SOUTHERN PERSHING…ALL OF CHURCHILL…EASTERN LYON…NORTHERN MINERAL…AND SOUTHEAST ELKO COUNTIES. ALL OF THE REST OF NEVADA WAS IN MODERATE TO SEVERE DROUGHT /LEVELS 1 AND 2/…WITH THE EXCEPTION OF MOST OF NORTHEAST CLARK AND NORTHERN ELKO COUNTIES…WHICH WERE CLASSIFIED AS ABNORMALLY DRY.
FOR CALIFORNIA COUNTIES BORDERING NEVADA…MODOC SOUTH TO ALPINE COUNTY WERE IN MODERATE DROUGHT /LEVEL 1/…WHILE MONO SOUTH TO SAN BERNARDINO COUNTY WERE CLASSIFIED AS IN SEVERE DROUGHT. CURRENTLY… NO EXTREME DROUGHT /LEVEL 3/ IS DESIGNATED IN CALIFORNIA.
WALKER RIVER BASIN… DUE TO BELOW NORMAL PRECIPITATION AND SNOWPACK ON THE WALKER BASIN…EAST WALKER RIVER IRRIGATORS WILL RECEIVE 23 PERCENT OF THEIR NORMAL ALLOTMENT. ON THE WEST WALKER THEY WILL RECEIVE 9 PERCENT OR NORMAL…AND ON THE MAINSTEM WALKER THEY WILL RECEIVE ABOUT 12 PERCENT.
CARSON RIVER BASIN… THE UPPER CARSON RIVER BASIN…ABOVE LAHONTAN DAM…WILL HAVE VERY LOW FLOWS THIS SEASON. MOST IRRIGATORS WILL ONLY HAVE WATER AVAILABLE DURING SPRING RUNOFF…THROUGH ABOUT MID JUNE. BELOW LAHONTAN RESERVOIR… IRRIGATORS WILL RECEIVE 75 PERCENT OF THEIR NORMAL ALLOTMENT.
TRUCKEE RIVER BASIN… NO RESTRICTIONS ARE IN PLACE FOR IRRIGATORS OR ANY OTHER USES ON THE MAINSTEM TRUCKEE RIVER THIS YEAR…OTHER THAN NORMAL URBAN WATERING RESTRICTIONS.
AS TEMPERATURES WARM AND FUELS DRY THIS SPRING AND SUMMER…FIRE DANGER WILL INCREASE THROUGHOUT THE REGION. FIRE DANGER WILL BE EXPECIALLY HIGH IN TIMBERED AREAS IN THE SIERRA NEVADA AND SOUTHERN CASCADES IN CALIFORNIA AND WEST CENTRAL NEVADA…AND ALSO IN NORTHERN ELKO COUNTY NEVADA…WHERE FUELS HAVE BEEN DRIER THAN NORMAL FOR TWO CONSECUTIVE YEARS. THE PRIMARY CONCERN IS FOR OUTBREAKS OF DRY LIGHTNING CAUSED BY SUMMER THUNDERSTORMS WHICH COULD TRIGGER FIRES.
5/ HYDROLOGIC CONDITIONS AS OF MAY 17 2013…
STREAMFLOW IS EXPECTED TO BE WELL BELOW AVERAGE THIS SPRING AND SUMMER REGION WIDE DUE TO BELOW NORMAL PRECIPITATION AND SNOWFALL.
A/ SUSAN RIVER… ON MAY 17TH…FLOWS ON THE SUSAN RIVER AT SUSANVILLE WERE ABOUT 130 CUBIC FEET PER SECOND /CFS/…OR ABOUT 63 PERCENT OF THE AVERAGE FLOW OF 205 CFS FOR THIS DATE.
B/ PIT RIVER… ON MAY 17TH…FLOWS NEAR CANBY CALIFORNIA…WERE ABOUT 24 CFS…OR ABOUT 7 PERCENT OF THE AVERAGE FLOW OF 328 CFS FOR THIS DATE.
C/ UPPER FEATHER RIVER… ON MAY 17TH…FLOWS ON THE MIDDLE FORK FEATHER RIVER NEAR PORTOLA WERE ABOUT 28 CFS OR 8 PERCENT OF THE AVERAGE FLOW OF 358 CFS FOR THIS DATE.
D/ LAKE TAHOE AND TRUCKEE RIVER BASINS… MAY 17TH STORAGE ON LAKE TAHOE AND TRUCKEE BASIN RESERVOIRS WAS AS FOLLOWS… /NOTE…AF IS ABBREVIATION FOR ACRE FEET/. LAKE TAHOE……405100 AF…54 PCT OF CAPACITY… 91 PCT OF MAY 31 AVG. PROSSER RSVR…..12942 AF…45 PCT OF CAPACITY… 74 PCT OF MAY 31 AVG. STAMPEDE RSVR…156714 AF…69 PCT OF CAPACITY…107 PCT OF MAY 31 AVG. BOCA RSVR……..29909 AF…73 PCT OF CAPACITY… 91 PCT OF MAY 31 AVG.
MAY 17TH FLOWS AND PERCENT OF AVERAGE FOR THIS DATE ON THE TRUCKEE RIVER WERE AS FOLLOWS… /NOTE…CFS IS ABBREVIATION FOR CUBIC FEET PER SECOND/.
TAHOE CITY… 70 CFS… 46 PCT OF 153 CFS AVERAGE TRUCKEE……177 CFS… 33 PCT OF 535 CFS AVERAGE FARAD……..818 CFS… 46 PCT OF 1770 CFS AVERAGE RENO………614 CFS… 41 PCT OF 1500 CFS AVERAGE VISTA……..727 CFS… 41 PCT OF 1760 CFS AVERAGE WADSWORTH….391 CFS… 24 PCT OF 1600 CFS AVERAGE NIXON……..416 CFS… 32 PCT OF 1320 CFS AVERAGE
E/ CARSON RIVER BASIN ABOVE LAHONTAN RESERVOIR… MAY 17TH FLOWS AND PERCENT OF AVERAGE FOR THIS DATE ON THE CARSON RIVER ABOVE LAHONTAN RESERVOIR WERE AS FOLLOWS…
EAST FK CARSON NR MARKLEEVILLE…. 647 CFS.. 53 PCT OF 1220 CFS AVERAGE EAST FK CARSON R NR GARDNERVILLE.. 613 CFS.. 47 PCT OF 1300 CFS AVERAGE WEST FK CARSON R AT WOODFORDS….. 180 CFS.. 46 PCT OF 389 CFS AVERAGE CARSON RVR NR CARSON CITY……… 455 CFS.. 36 PCT OF 1260 CFS AVERAGE CARSON RVR AT DAYTON………….. 488 CFS.. 30 PCT OF 1630 CFS AVERAGE CARSON RVR NR FT CHURCHILL…….. 518 CFS.. 44 PCT OF 1180 CFS AVERAGE
F/ WALKER RIVER BASIN… AS OF MAY 17TH…STORAGE ON BRIDGEPORT RESERVOIR WAS 15580 ACRE FEET… 37 PERCENT OF CAPACITY…AND 60 PCT OF THE MAY 31 AVERAGE. STORAGE ON TOPAZ WAS 17650 AF…30 PCT OF CAPACITY…44 PCT OF THE MAY 31 AVERAGE. WALKER RIVER IRRIGATION DISTRICT REPORTS THAT AGRICULTURAL DELIVERIES THIS SEASON WILL BE AT ABOUT 9 PERCENT OF AVERAGE FOR IRRIGATORS HAVING WEST WALKER RIVER WATER RIGHTS…23 PERCENT OF AVERAGE FOR THOSE HAVING EAST WALKER RIVER WATER RIGHTS…AND ABOUT 12 PERCENT OF AVERAGE FOR THOSE HAVING MAINSTEM WALKER RIVER RIGHTS.
MAY 17TH FLOWS AND PERCENT OF AVERAGE FOR THIS DATE ON THE WALKER RIVER WERE AS FOLLOWS…
E WALKER RVR BLW BRIDGEPORT RSVR..117 CFS.. 46 PCT OF 256 CFS AVERAGE W WALKER RVR ABV TOPAZ RSVR…… 572 CFS.. 66 PCT OF 872 CFS AVERAGE W WALKER RVR BLW TOPAZ RSVR…… 482 CFS.. 74 PCT OF 647 CFS AVERAGE WALKER RIVER NEAR MASON………. 298 CFS.. 69 PCT OF 433 CFS AVERAGE WALKER RVR NR WABUSKA………… 42 CFS.. 18 PCT OF 230 CFS AVERAGE WALKER RVR BLW WEBER DAM NR SCHURZ 5 CFS… 2 PCT OF 319 CFS AVERAGE
LONG RANGE WEATHER OUTLOOK FOR NEVADA AND EASTERN CALIFORNIA… FROM THE NATIONAL WEATHER SERVICE CLIMATE PREDICTION CENTER…
THE REMAINDER OF MAY IS EXPECTED TO BE COOLER THAN NORMAL THROUGHOUT THE REGION…ESPECIALLY IN EASTERN CALIFORNIA AND WESTERN NEVADA. PRECIPITATION IS EXPECTED TO BE NEAR NORMAL THROUGHOUT MOST OF NEVADA AND EASTERN CALIFORNIA DURING THE REST OF MAY…THE EXCEPTION IS NORTHEAST NEVADA WHERE PRECIPITATION IS EXPECTED TO BE BELOW NORMAL.
THE LONG RANGE OUTLOOK FOR THE MONTHS OF JUNE THROUGH AUGUST IS FOR WARMER THAN NORMAL CONDITIONS THROUGHOUT THE REGION. PRECIPITATION IS EXPECTED TO BE NEAR NORMAL…WITH THE EXCEPTION OF EXTREME NORTHERN NEVADA AND CALIFORNIA…WHERE PRECIPITATION IS EXPECTED TO BE BELOW NORMAL.
INFORMATION FOR THIS STATEMENT HAS BEEN GATHERED FROM NWS AND U.S. GEOLOGICAL SURVEY OBSERVATION SITES…CALIFORNIA AND NEVADA DIVISIONS OF WATER RESOURCES AND STATE CLIMATOLOGISTS…NEVADA DEPARTMENT OF AGRICULTURE…PERSHING COUNTY WATER CONSERVATION DISTRICT…WALKER RIVER IRRIGATION DISTRICT…WALKER RIVER PAIUTE TRIBE…FEDERAL WATER MASTERS…TRUCKEE/CARSON IRRIGATION DISTRICT…AND NWS OFFICES IN RENO…ELKO AND LAS VEGAS.
QUESTIONS OR COMMENTS… IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS DROUGHT INFORMATION STATEMENT PLEASE CONTACT…
NATIONAL WEATHER SERVICE 2350 RAGGIO PKWY RENO NV 89512 PHONE…775-673-8100 WEATHER.GOV/RENO REV.WEBMASTER@NOAA.GOV
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