Drought Information Statement
Issued by NWS Boise, ID
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000 AXUS75 KBOI 032005 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-ORC001-025-045-030600- DROUGHT INFORMATION STATEMENT NATIONAL WEATHER SERVICE BOISE IDAHO 205 PM MDT THU JUL 3 2014 ...MODERATE TO EXTREME DROUGHT ACROSS MUCH OF SOUTHERN IDAHO AND SOUTHEAST OREGON... SYNOPSIS... MODERATE TO EXTREME DROUGHT CONDITIONS PERSIST ACROSS MUCH OF SOUTHERN IDAHO AND SOUTHEAST OREGON. SUB-PAR WINTER SNOWPACK ACROSS MOST OF THE AREA...AND BELOW NORMAL SPRING PRECIPITATION HAS ALLOWED SHORT AND LONG-TERM DROUGHT IMPACTS TO PERSIST HEADING INTO THE HOT AND DRY SUMMER MONTHS. ACCORDING TO THE JULY 1 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. EXTREME DROUGHT (D3 CLASSIFICATION) EXISTS ACROSS PART OF THE MAGIC VALLEY IN SOUTH CENTRAL IDAHO. IN SOUTHEAST OREGON...MODERATE TO SEVERE DROUGHT (D1 AND D2 CLASSIFICATION) EXISTS ACROSS BAKER COUNTY...WHILE SEVERE TO EXTREME DROUGHT (D2 AND D3 CLASSIFICATION) COVER HARNEY AND MALHEUR COUNTIES. SUMMARY OF IMPACTS... IN IDAHO...SURFACE IRRIGATION WATER SHORTAGES ARE EXPECTED IN THE WOOD RIVER AND LOST RIVER BASINS...PORTIONS OF THE MAGIC VALLEY...AND SOUTH SIDE SNAKE RIVER BASINS FROM SALMON FALLS CREEK WEST ACROSS THE OWYHEE RIVER BASIN. IRRIGATION WATER SHORTAGES ARE LIKELY ACROSS MUCH OF SOUTHEAST OREGON AS WELL. PUBLIC LANDS RANCHERS IN THE SNAKE RIVER PLAIN ARE BEING IMPACTED BY SPARSE VEGETATION AND SHORTER GRAZING PERIODS DUE TO DROUGHT WHICH HAS LED TO CUTS IN HERD SIZE. LOW STREAMFLOWS ARE IMPACTING FISHERIES IN SOME AREAS...SUCH AS SILVER CREEK IN SOUTH CENTRAL IDAHO. THE WILDLAND FIRE OUTLOOK FOR JULY AND AUGUST INDICATES THAT THE POTENTIAL FOR SIGNIFICANT FIRES IS ABOVE NORMAL ACROSS SOUTH CENTRAL AND SOUTHWEST IDAHO...AND SOUTHEAST OREGON. 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. AS OF JULY 2...THE U.S. DEPARTMENT OF AGRICULTURE FARM SERVICE AGENCY PRIMARY DROUGHT DISASTER COUNTIES IN IDAHO INCLUDE BLAINE...BONNEVILLE...BUTTE...CAMAS...CANYON...CASSIA...CLARK... CUSTER...ELMORE...FREMONT...GOODING...JEFFERSON...JEROME...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-JULY 1 ,2014 NORMAL DEPARTURE LAST TOTAL PRECIP(INCHES) VALUE FROM NORMAL YEAR BOISE 11.28 10.59 1.53 5.87 MCCALL 19.26 17.86 1.40 24.74 TWIN FALLS 6.92 9.53 -2.61 6.21 POCATELLO 7.51 10.06 -2.55 7.71 IDAHO FALLS 5.14 8.52 -3.38 4.63 CHALLIS 3.81 7.74 -3.93 3.81 STANLEY 16.87 14.80 2.07 14.14 LEWISTON 7.77 10.32 -2.55 9.96 BAKER CITY, OR 6.04 8.25 -2.21 7.81 BURNS, OR 6.37 9.73 -3.36 7.31 ROME, OR 2.35 7.82 -5.47 4.09 FOR THE 30 DAY PERIOD FROM JUNE 3 TO JULY 2...AVERAGE TEMPERATURES WERE GENERALLY 1 TO 3 DEGREES(F) BELOW NORMAL ACROSS IDAHO...AND 1 TO 2 DEGREES ABOVE NORMAL ACROSS SOUTHEAST OREGON. PRECIPITATION AND TEMPERATURE OUTLOOK... PROBABILITIES FAVOR ABOVE NORMAL TEMPERATURES IN JULY FOR IDAHO AND SOUTHEAST OREGON. THE JULY PRECIPITATION OUTLOOK FAVORS ABOVE NORMAL PRECIPITATION FOR THE EASTERN HALF OF IDAHO...AND EQUAL CHANCES OF EITHER ABOVE NORMAL...NORMAL...OR BELOW NORMAL PRECIPITATION FOR WESTERN IDAHO AND SOUTHEAST OREGON. THE OUTLOOK FOR AUGUST THROUGH OCTOBER FAVORS ABOVE NORMAL TEMPERATURES ACROSS THE REGION...EXCEPT FOR FAR EASTERN IDAHO WHERE THERE AREA EQUAL CHANCES OF EITHER ABOVE NORMAL...NORMAL...OR BELOW NORMAL TEMPERATURES. PROBABILITIES FAVOR ABOVE NORMAL PRECIPITATION FOR FAR EASTERN IDAHO DURING THE PERIOD...WITH EQUAL CHANCES OF EITHER ABOVE NORMAL...NORMAL...OR BELOW NORMAL PRECIPITATION FOR THE REST OF IDAHO AND SOUTHEAST OREGON. HYDROLOGIC SUMMARY... OVER THE 30 DAY PERIOD FROM JUNE 3 THROUGH JULY 2...PRECIPITATION WAS NORMAL TO ABOVE NORMAL FOR THE SPOKANE BASIN AND PANHANDLE REGIONS...AND FOR LOCALIZED AREAS IN SOUTHEAST IDAHO. OTHERWISE... BELOW NORMAL PRECIPITATION OCCURRED IN IDAHO AND SOUTHEAST OREGON DURING THE PERIOD. MOST OF THE SNAKE RIVER PLAIN AND THE MALHEUR RIVER BASIN RECEIVED 50 PERCENT OR LESS OF NORMAL PRECIPITATION DURING THE PERIOD. ONLY SOME HIGH ELEVATION SNOWPACK REMAINS ACROSS PORTIONS OF IDAHO. USGS 28 DAY AVERAGE STREAMFLOWS AS OF JULY 2 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...AS WELL AS SOUTH SIDE SNAKE BASINS. IN SOUTHEAST OREGON...MOST OF THE REGULATED STREAMFLOWS WERE NEAR NORMAL...BUT NATURAL FLOWS WERE GENERALLY MUCH BELOW NORMAL. JULY 1 2014 RESERVOIR DATA. PERCENT OF CAPACITY PERCENT OF AVG IDAHO AMERICAN FALLS 58 76 ANDERSON RANCH 98 112 ARROWROCK 75 100 BEAR LAKE 52 87 BLACKFOOT 52 87 BROWNLEE 99 101 CASCADE 94 98 COEUR D ALENE 96 99 DEADWOOD 95 102 DWORSHAK 100 102 HENRYS LAKE 100 105 ISLAND PARK 98 106 LAKE LOWELL 49 77 LITTLE WOOD 38 46 LUCKY PEAK 100 102 MACKAY 35 47 MAGIC 20 31 MANN CREEK 45 56 MONTPELIER CREEK 85 113 OAKLEY 24 57 PALISADES 77 90 PEND OREILLE 99 101 PRIEST LAKE 109 106 RIRIE 85 98 SALMON FALLS 11 26 EASTERN OREGON OWYHEE 9 13 WARM SPRINGS 11 NA BEULAH 29 NA BULLY CREEK 34 NA UNITY 62 NA PHILLIPS 48 NA THIEF VALLEY 97 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 EARLY AUGUST. 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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Boise, ID 83705-5354
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Page last modified: 3-Jul-2014 8:05 PM
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