Drought Information Statement
Issued by NWS Boise, ID
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000 AXUS75 KBOI 151814 CCA DGTBOI IDC001-003-005-007-009-011-013-015-017-019-021-023-025-027-029-031- 033-035-037-039-041-043-045-047-049-051-053-055-057-059-061-063- 065-067-071-073-075-077-079-081-083-085-087-ORC001-025-045-160600- DROUGHT INFORMATION STATEMENT NATIONAL WEATHER SERVICE BOISE IDAHO 1214 PM MDT FRI AUG 15 2014 ...MODERATE TO EXTREME DROUGHT REMAINS ACROSS MUCH OF SOUTHERN IDAHO AND SOUTHEAST OREGON... SYNOPSIS... MODERATE TO EXTREME DROUGHT CONDITIONS PERSIST ACROSS MUCH OF SOUTHERN IDAHO AND SOUTHEAST OREGON. BELOW NORMAL SNOWPACK FOR THE 2013/2014 WINTER AND BELOW NORMAL SPRING RAINS SET THE STAGE FOR INADEQUATE STORAGE IN MANY RESERVOIRS AND LOW STREAMFLOWS...ALLOWING SHORT AND LONG-TERM DROUGHT IMPACTS TO PERSIST THROUGH THE HOT AND DRY SUMMER MONTHS. ACCORDING TO THE AUGUST 12 U.S. DROUGHT MONITOR...IN SOUTHERN IDAHO...MODERATE TO SEVERE DROUGHT (D1 AND D2 CLASSIFICATION) EXISTS ACROSS THE SNAKE PLAIN...THE WOOD RIVER AND LOST RIVER BASINS...AND ACROSS ACROSS SOUTH SIDE SNAKE RIVER BASINS...AND ACROSS MUCH OF THE THE WEISER BASIN. EXTREME DROUGHT (D3 CLASSIFICATION) EXISTS ACROSS PART OF THE MAGIC VALLEY IN SOUTH CENTRAL IDAHO. IN SOUTHEAST OREGON...SEVERE TO EXTREME DROUGHT (D2 AND D3 CLASSIFICATION) EXISTS ACROSS HARNEY AND MALHEUR COUNTIES...AND MOST OF BAKER COUNTY. SUMMARY OF IMPACTS... IN IDAHO...SURFACE IRRIGATION WATER SHORTAGES HAVE OCCURRED IN THE WOOD AND LOST RIVER BASINS...AND ACROSS THE MAGIC VALLEY...AND SOUTH SIDE SNAKE RIVER BASINS FROM SALMON FALLS CREEK WEST ACROSS THE OWYHEE RIVER BASIN. IN MALHEUR COUNTY OREGON...MOST IRRIGATION CANALS HAVE BEEN SHUT OFF...OR HAVE DWINDLED DOWN TO A TRICKLE AND SOME CROPS WILL LIKELY BE LOST. OWYHEE IRRIGATION DISTRICT PLANNED TO COMPLETELY SHUT OFF WATER TO CANALS ON AUGUST 15. IN THE JUNIPER AREA OF NORTHERN MALHEUR COUNTY...LAND OWNERS ARE SEEING SOME SPRINGS DRY UP WHICH IS CREATING A CHALLENGE FOR LIVESTOCK WATERING. DROUGHT STRESSED VEGETATION FUELED A NUMBER OF LARGE WILDFIRES IN SOUTHEAST OREGON IN JULY. IMPACTS WILL EVOLVE AND CHANGE THROUGH THE SUMMER MONTHS. ADDITIONAL IMPACT LIKELY INCLUDE LOW STREAMFLOW AFFECTING FISH AND WILDLIFE HABITAT...REDUCED ACREAGE AND OVERALL PRODUCTION FOR SOME FIELD CROPS...POOR RANGELAND CONDITIONS FOR CATTLE AND OTHER RANGE ANIMALS. THE WILDLAND FIRE OUTLOOK FOR AUGUST INDICATES THAT THE POTENTIAL FOR SIGNIFICANT FIRES IS ABOVE NORMAL ACROSS FAR SOUTHWEST IDAHO AND SOUTHEAST OREGON...AND NORMAL ELSEWHERE IN IDAHO. THE OUTLOOK FOR SEPTEMBER IS FOR CONDITIONS TO RETURN TO NORMAL. STATE DROUGHT DECLARATIONS HAVE BEEN DECLARED FOR THE FOLLOWING IDAHO COUNTIES...BUTTE...BLAINE...CLARK...CUSTER...AND LINCOLN. OREGON STATE DROUGHT DECLARATIONS INCLUDE HARNEY AND MALHEUR COUNTIES. BAKER COUNTY COMMISSIONERS HAVE SENT A REQUEST TO THE OREGON GOVERNOR FOR A STATE DROUGHT DECLARATION. DECLARING A DROUGHT EMERGENCY HELPS COORDINATE LOCAL...STATE AND FEDERAL EFFORTS TO REDUCE THREATS TO AGRICULTURE...RECREATION AND NATURAL RESOURCES IN THE COUNTY. THE DECLARATIONS ALLOW INCREASED FLEXIBILITY IN HOW WATER IS MANAGED TO ENSURE THAT LIMITED SUPPLIES ARE USED AS EFFICIENTLY AS POSSIBLE. THEY ALSO MAKE THE COUNTIES ELIGIBLE FOR FEDERAL ASSISTANCE. AS OF AUGUST 13...THE U.S. DEPARTMENT OF AGRICULTURE FARM SERVICE AGENCY PRIMARY DROUGHT DISASTER COUNTIES IN IDAHO INCLUDE BINGHAM...BLAINE...BONNEVILLE...BUTTE...CAMAS...CANYON...CASSIA... CLARK...CUSTER...ELMORE...FREMONT...GOODING...JEFFERSON...JEROME... LEMHI...LINCOLN...MINIDOKA...OWYHEE...PAYETTE...POWER...TWIN FALLS AND WASHINGTON. SOUTHEAST OREGON COUNTIES INCLUDE BAKER...HARNEY AND MALHEUR. ANY COUNTY DECLARED A PRIMARY OR CONTIGUOUS DISASTER COUNTY MAKES PRODUCERS IN THAT COUNTY ELIGIBLE FOR CERTAIN EMERGENCY AID. SEE THE U.S. DEPARTMENT OF AGRICULTURE WEB SITE IN THE RELATED WEB SITES SECTION BELOW FOR DETAILS. CLIMATE SUMMARY... BELOW IS A LIST OF PRECIPITATION DATA FOR SELECTED LOCATIONS IN IDAHO AND SOUTHEAST OREGON SINCE THE BEGINNING OF THE 2014 WATER YEAR. OCT 1 2013-AUGUST 14 2014 NORMAL DEPARTURE LAST TOTAL PRECIP(INCHES) VALUE FROM NORMAL YEAR BOISE 11.42 11.01 0.41 7.12 MCCALL 20.42 18.80 1.62 24.78 TWIN FALLS 11.34 9.96 1.38 6.37 POCATELLO 9.38 10.94 -1.56 7.99 IDAHO FALLS 6.68 9.22 -2.54 5.13 CHALLIS 4.58 8.91 -4.33 4.41 STANLEY 17.59 15.74 1.85 14.46 LEWISTON 8.48 11.22 -2.74 10.36 BAKER CITY, OR 6.59 9.16 -2.57 8.25 BURNS, OR 6.94 10.28 -3.34 7.81 ROME, OR 2.49 8.32 -5.83 4.53 FOR THE 30 DAY PERIOD FROM JULY 16 TO AUGUST 14...AVERAGE TEMPERATURES WERE GENERALLY NEAR NORMAL ACROSS SOUTH CENTRAL AND EASTERN IDAHO...AND ABOUT 2 TO 4 DEGREES(F) ABOVE NORMAL ACROSS THE REMAINDER OF IDAHO AND ACROSS SOUTHEAST OREGON. PRECIPITATION AND TEMPERATURE OUTLOOK... FOR THE REMAINDER OF AUGUST...NEAR NORMAL TEMPERATURES ARE FAVORED FOR SOUTHEAST OREGON AND SOUTHWEST IDAHO...WITH BELOW NORMAL TEMPERATURES FAVORED ELSEWHERE IN IDAHO. PROBABILITIES FAVOR ABOVE NORMAL PRECIPITATION FOR NORTH AND NORTHEAST IDAHO...AND NEAR NORMAL PRECIPITATION ELSEWHERE. THE OUTLOOK FOR SEPTEMBER THROUGH NOVEMBER FAVORS ABOVE NORMAL TEMPERATURES ACROSS THE REGION...BELOW NORMAL PRECIPITATION FOR THE IDAHO PANHANDLE...AND NORMAL PRECIPITATION ELSEWHERE. HYDROLOGIC SUMMARY... OVER THE 30 DAY PERIOD FROM JULY 16 THROUGH AUGUST 14... PRECIPITATION WAS ABOVE NORMAL ACROSS THE SOUTHERN HALF OF IDAHO AND BELOW NORMAL FOR MOST OF NORTHERN IDAHO. AN ANOMALOUSLY WET STORM SYSTEM IN EARLY AUGUST PRODUCED 2 TO 4 INCHES OF RAINFALL IN A 48 HOUR PERIOD OVER PORTIONS OF SOUTH CENTRAL IDAHO. IN SOUTHEAST OREGON...PRECIPITATION WAS NORMAL TO ABOVE NORMAL IN EASTERN MALHEUR COUNTY AND NEAR THE NEVADA BORDER...WITH BELOW NORMAL PRECIPITATION ELSEWHERE. USGS 28 DAY AVERAGE STREAMFLOWS AS OF AUGUST 14 WERE NORMAL FOR MOST OF NORTHERN AND CENTRAL IDAHO...AND THE MAINSTEM SNAKE RIVER ABOVE KING HILL...AND ON THE BEAR RIVER. HOWEVER...STREAMFLOWS FOR MANY OF THE TRIBUTARY BASINS OF THE SNAKE RIVER WERE BELOW OR MUCH BELOW NORMAL...INCLUDING THE WOOD AND LOST RIVER BASINS...THE PORTNEUF BASIN...AS WELL AS SOUTH SIDE SNAKE RIVER BASINS. IN SOUTHEAST OREGON...STREAMFLOWS WERE GENERALLY BELOW TO MUCH BELOW NORMAL. AUGUST 1 2014 RESERVOIR DATA. PERCENT OF CAPACITY PERCENT OF AVG IDAHO AMERICAN FALLS 27 50 ANDERSON RANCH 83 109 ARROWROCK 36 78 BEAR LAKE 40 70 BLACKFOOT 47 86 BROWNLEE 86 96 CASCADE 78 91 COEUR D ALENE 98 100 DEADWOOD 81 107 DWORSHAK 87 97 HENRYS LAKE 96 107 ISLAND PARK 67 98 LAKE LOWELL 30 66 LITTLE WOOD 13 25 LUCKY PEAK 100 108 MACKAY 20 41 MAGIC 4 7 MANN CREEK 13 24 MONTPELIER CREEK 43 85 OAKLEY 17 54 PALISADES 71 98 PEND OREILLE 99 100 PRIEST LAKE 102 101 RIRIE 79 96 SALMON FALLS 4 14 EASTERN OREGON OWYHEE 2 3 WARM SPRINGS 0 0 BEULAH 3 8 BULLY CREEK NA NA UNITY NA NA PHILLIPS NA NA THIEF VALLEY NA NA NEXT ISSUANCE DATE... UPDATES TO THIS PRODUCT WILL BE MADE ON A MONTHLY BASIS. THE NEXT ISSUANCE OF THE DROUGHT INFORMATION STATEMENT WILL OCCUR IN MID SEPTEMBER. RELATED WEB SITES... U.S. DROUGHT PORTAL: HTTP://WWW.DROUGHT.GOV NATIONAL DROUGHT MITIGATION CENTER: HTTP://DROUGHT.UNL.EDU STREAM FLOWS: AHPS HTTP://WATER.WEATHER.GOV/AHPS USGS HTTP://WATERWATCH.USGS.GOV NWS WATER SUPPLY FORECASTS: HTTP://WWW.NWRFC.NOAA.GOV HTTP://WWW.CBRFC.NOAA.GOV NRCS WATER SUPPLY FORECASTS: HTTP://WWW.WCC.NRCS.USDA.GOV/WSF/WSF.HTML IDAHO DEPARTMENT OF WATER RESOURCES (DROUGHT DECLARATIONS): HTTP://WWW.IDWR.IDAHO.GOV OREGON WATER RESOURCES DEPARTMENT: HTTP://WWW.OREGON.GOV/OWRD LONG TERM WEATHER AND CLIMATE OUTLOOKS: HTTP://WWW.CPC.NCEP.NOAA.GOV WESTERN REGION CLIMATE CENTER (CLIMATE ANOMALY MAPS): HTTP://WWW.WRCC.DRI.EDU NATIONAL INTERAGENCY COORDINATION CENTER (FIRE DANGER AND OUTLOOKS): HTTP://WWW.NIFC.GOV/NICC RESERVOIR INFORMATION: NRCS HTTP://WWW.WCC.NRCS.USDA.GOV/WSF/WSF-RESERVOIR.HTML BUREAU OF RECLAMATION HTTP://WWW.USBR.GOV/PN/HYDROMET/SELECT.HTML UNITED STATES DEPARTMENT OF AGRICULTURE: DISASTER ASSISTANCE HTTP://WWW.USDA.GOV/WPS/PORTAL/USDA/USDAHOME ACKNOWLEDGEMENTS... THE DROUGHT MONITOR IS A MULTI-AGENCY EFFORT INVOLVING NOAA/S NATIONAL WEATHER SERVICE AND NATIONAL CLIMATIC DATA CENTER...THE US DEPARTMENT OF AGRICULTURE...STATE AND REGIONAL CENTERS... CLIMATOLOGISTS...AND THE NATIONAL DROUGHT MITIGATION CENTER. INFORMATION FOR THIS STATEMENT HAS BEEN GATHERED FROM THE NWS AND FFA OBSERVATION SITES...STATE AGENCIES...USDA...NRCS...USACE AND USGS. QUESTIONS OR COMMENTS... IF YOU HAVE QUESTIONS OR COMMENTS ABOUT THIS DROUGHT INFORMATION STATEMENT PLEASE CONTACT... NATIONAL WEATHER SERVICE 3833 SOUTH DEVELOPMENT AVENUE BOISE ID 83705-5354 PHONE: 208-334-9860 EMAIL: W-BOI.WEBMASTER@NOAA.GOV $$

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