Drought Information Statement
Issued by NWS Boise, ID

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AXUS75 KBOI 021706
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AXUS75 KBOI DDHHMM
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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
1105 AM MDT THU JUL 2 2015

...DROUGHT PERSISTS ACROSS IDAHO AND SOUTHEAST OREGON...

SYNOPSIS...

ACCORDING TO THE JUNE 30TH U.S. DROUGHT MONITOR...MODERATE DROUGHT
(D1) TO SEVERE DROUGHT (D2) EXISTS ACROSS NORTHERN IDAHO. ACROSS
CENTRAL...SOUTH CENTRAL AND SOUTHWEST IDAHO...MODERATE DROUGHT (D1)
TO SEVERE DROUGHT (D2) PREVAIL...WITH MUCH OF OWYHEE COUNTY AND
ADAMS COUNTY IN EXTREME DROUGHT (D3). IN FAR EAST AND SOUTHEAST
IDAHO...ABNORMALLY DRY (D0) CONDITIONS PREVAIL. IN SOUTHEAST
OREGON...EXTREME DROUGHT (D3) EXTENDS ACROSS HARNEY...MALHEUR AND
SOUTHERN BAKER COUNTY...WITH SEVERE DROUGHT (D2) ACROSS NORTHERN
BAKER COUNTY.

THE SEASONAL OUTLOOK FROM THE CLIMATE PREDICTION CENTER INDICATES
THAT DROUGHT WILL PERSIST OR INTENSIFY THROUGH THE SUMMER MONTHS
ACROSS IDAHO AND SOUTHEAST OREGON.

DROUGHT SEVERITY CLASSIFICATION POSSIBLE IMPACTS...

(D0)ABNORMALLY DRY...GOING INTO DROUGHT. SHORT TERM DRYNESS SLOWING
PLANTING AND GROWTH OF CROPS OR PASTURES. COMING OUT OF DROUGHT.
SOME LINGERING WATER DEFICITS. PASTURES OR CROPS NOT FULLY
RECOVERED.

(D1)MODERATE DROUGHT...SOME DAMAGE TO CROPS AND PASTURES.
STREAMS...RESERVOIRS OR WELLS LOW. SOME WATER SHORTAGES DEVELOPING
OR IMMINENT. VOLUNTARY WATER USE RESTRICTIONS REQUESTED.

(D2)SEVERE DROUGHT...CROPS OR PASTURE LOSSES LIKELY. WATER SHORTAGES
COMMON. WATER RESTRICTIONS IMPOSED.

(D3)EXTREME DROUGHT...MAJOR CROP OR PASTURE LOSSES. WIDESPREAD WATER
SHORTAGES OR RESTRICTIONS.

(D4)EXCEPTIONAL DROUGHT...EXCEPTIONAL AND WIDESPREAD CROP OR PASTURE
LOSSES. SHORTAGES OF WATER IN RESERVOIRS...STREAMS AND WELLS
CREATING WATER EMERGENCIES.

SUMMARY OF REPORTED IMPACTS...

SNAKE RIVER PLAIN AQUIFER LEVELS CONTINUE TO DROP. RESEARCHERS WITH
THE U.S. GEOLOGICAL SURVEY STATED IN A RECENT REPORT THAT THE
EASTERN SNAKE RIVER PLAIN AQUIFER LEVEL HAS DROPPED BELOW TWO
WELLS...AND ABOUT A DOZEN OTHERS ARE IN DANGER OF GOING DRY.

A SPRING AT BOUNDARY CREEK ALONG THE MIDDLE FORK OF THE SALMON RIVER
HAS GONE DRY AND PEOPLE ARE ADVISED TO BRING ALL WATER NEEDED WITH
THEM TO THE BOUNDARY CREEK BOAT LAUNCH.

THE EARLY LOSS OF SNOWPACK COMBINED WITH LACK OF SPRING
PRECIPITATION CAN BE SEEN IN THE REMARKABLY LOW FLOWS ON MANY OF THE
REGIONS STREAMS AND RIVERS...MANY OF WHICH ARE AT LEVELS WE WOULD
TYPICALLY SEE IN AUGUST.

WILDFIRE SEASON IS WEEKS AHEAD OF SCHEDULE FOR MUCH OF THE REGION.
LAND MANAGEMENT AGENCIES ARE ALREADY IMPLEMENTING FIRE RESTRICTIONS
AND BURN BANS.

THE NATIONAL INTERAGENCY FIRE CENTER PREDICTIVE SERVICES INDICATES
THAT SIGNIFICANT WILDLAND FIRE POTENTIAL FOR JULY AND AUGUST IS
ABOVE NORMAL FOR NORTHERN...WEST CENTRAL AND SOUTHWEST IDAHO...AS
WELL AS SOUTHEAST OREGON.

MANY EASTERN OREGON FARMERS HAVE HAD TO ADJUST THEIR CROPS TO
ACCOMMODATE DROUGHT. GIVEN THE MULTIPLE YEAR DROUGHT...LOW WATER
STORAGE AND LOW STREAM FLOWS...PRODUCERS HAVE BEEN MAKING
ADJUSTMENTS ABOUT WATER USE AND CROP ROTATIONS. SOME FARMERS ARE
LEAVING SEVERAL HUNDRED ACRES UNPLANTED OR FALLOWED THIS YEAR AND
SOME ANTICIPATE BEING OUT OF WATER BY THE MIDDLE OF JULY.

WATER SUPPLY FORECASTS FROM THE NORTHWEST RIVER FORECAST CENTER
INDICATE BETWEEN 40 AND 70 PERCENT OF AVERAGE RUNOFF VOLUMES ACROSS
MOST OF IDAHO FOR THE APRIL THROUGH SEPTEMBER PERIOD. RUNOFF VOLUMES
BETWEEN 15 AND 50 PERCENT OF AVERAGE ARE EXPECTED ACROSS SOUTHEAST
OREGON. FORECASTS FOR SOME LOCATIONS IN THE UPPER SNAKE HEADWATERS
IN FAR EASTERN IDAHO ARE FOR 80 TO 100 PERCENT OF AVERAGE...BUT
THOSE ARE THE EXCEPTION.

STATE DROUGHT EMERGENCY DECLARATIONS HAVE BEEN DECLARED FOR BLAINE
...BUTTE...CUSTER...FREMONT...LINCOLN AND TETON COUNTIES IN IDAHO.
IN OREGON...STATE DECLARATIONS HAVE BEEN DECLARED FOR BAKER...HARNEY
AND MALHEUR COUNTIES.

ACCORDING TO THE U.S. DEPARTMENT OF AGRICULTURE FARM SERVICE AGENCY
...AS OF JULY 1 2015...ADAMS...BLAINE...BUTTE...CAMAS...CANYON...
CLARK...CUSTER...ELMORE...FREMONT...GOODING...JEFFERSON...JEROME
...LINCOLN...MINIDOKA...OWYHEE...PAYETTE...TWIN FALLS AND WASHINGTON
COUNTIES HAVE BEEN DESIGNATED AS PRIMARY DROUGHT DISASTER COUNTIES
IN IDAHO. CONTIGUOUS DROUGHT DISASTER COUNTIES IN IDAHO INCLUDE
ADA...BINGHAM...BOISE...BONNEVILLE...CASSIA...GEM...IDAHO...LEMHI
...MADISON...NEZ PERCE...ONEIDA...POWER...TETON AND VALLEY. IN
SOUTHEAST OREGON...BAKER...HARNEY AND MALHEUR COUNTIES ARE PRIMARY
DROUGHT DISASTER COUNTIES.

CLIMATE SUMMARY...

PRECIPITATION FOR THE 2015 WATER YEAR TO DATE (OCTOBER 1 TO JULY 1)
WAS BETWEEN 80 AND 100 PERCENT OF NORMAL FOR THE MAJORITY OF IDAHO
AND SOUTHEAST OREGON. A PATCHWORK OF AREAS RECEIVED 50 TO 80 PERCENT
OF NORMAL...AND 100 TO 120 PERCENT OF NORMAL. ALTHOUGH WATER YEAR
PRECIPITATION MAY NOT BE TOO FAR BELOW NORMAL FOR MUCH OF IDAHO AND
SOUTHEAST OREGON...THE REGION IS HIGHLY DEPENDENT ON SNOWPACK. WELL
ABOVE NORMAL WINTER AND EARLY SPRING TEMPERATURES CAUSED MORE
PRECIPITATION TO FALL AS RAIN INSTEAD OF SNOW...RESULTING IN WELL
BELOW NORMAL SNOWPACK FOR MOST OF THE AREA. ADDITIONALLY...SNOWPACK
WAS LOST AS MUCH AS 4 TO 8 WEEKS EARLIER THAN AVERAGE ACROSS MUCH OF
THE REGION.

PRECIPITATION FOR THE APRIL THROUGH JUNE PERIOD ACROSS THE NORTHERN
HALF OF IDAHO WAS BETWEEN 25 AND 50 PERCENT OF NORMAL...WHILE MUCH
OF SOUTHWEST IDAHO AND SOUTHEAST OREGON RECEIVED ONLY 50 TO 80
PERCENT OF NORMAL. SOUTHERN MALHEUR COUNTY IN SOUTHEAST OREGON...AND
EASTERN IDAHO WERE THE EXCEPTIONS...WITH 100 TO 150 PERCENT OF
NORMAL PRECIPITATION DURING THE PERIOD...MOST OF WHICH FELL IN
DURING THE MONTH OF MAY

AVERAGE TEMPERATURES FOR MOST OF IDAHO AND SOUTHEAST OREGON WERE 6
TO 10 DEGREES (F) ABOVE AVERAGE FOR THE MONTH OF JUNE.

BELOW IS A LIST OF PRECIPITATION DATA FOR SELECTED LOCATIONS IN
IDAHO AND SOUTHEAST OREGON FOR THE 2015 WATER YEAR.

       OCT 1 2014-JULY 1 2015      NORMAL     DEPARTURE    LAST
         TOTAL PRECIP(INCHES)      VALUE     FROM NORMAL   YEAR

BOISE           10.87              10.58        0.29      11.28
MCCALL          18.34              17.82        0.52      19.26
TWIN FALLS       7.40               9.51       -2.11       6.92
POCATELLO        7.30              10.04       -2.74       7.51
IDAHO FALLS      6.87               8.51       -1.64       5.14
CHALLIS          4.30               7.70       -3.40       3.81
STANLEY         15.52              14.77        0.75      16.87
LEWISTON        10.28              10.29       -0.01       7.77
BAKER CITY, OR   6.74               8.22       -1.48       6.04
BURNS, OR        8.56               9.72       -1.16       6.37
ROME, OR         7.20               7.81       -0.61       2.35


PRECIPITATION AND TEMPERATURE OUTLOOK...

THE THREE MONTH OUTLOOK FROM THE CLIMATE PREDICTION CENTER FOR JULY
THROUGH SEPTEMBER FAVORS ABOVE NORMAL TEMPERATURES. PROBABILITIES
SLIGHTLY FAVOR ABOVE NORMAL PRECIPITATION FOR EASTERN IDAHO...WITH
EQUAL CHANCES OF EITHER ABOVE NORMAL...NORMAL...OR BELOW NORMAL
PRECIPITATION ELSEWHERE ACROSS IDAHO AND SOUTHEAST OREGON.

HYDROLOGIC SUMMARY...

AS OF JULY 1...28 DAY AVERAGE STREAMFLOWS AT USGS GAGING STATIONS
ACROSS WEST CENTRAL AND NORTHERN IDAHO WERE WITHIN THE 10 PERCENTILE
CLASS FOR LOW FLOWS...OR AT NEW LOWS FOR THIS TIME OF YEAR. ACROSS
THE REMAINDER OF IDAHO AND SOUTHEAST OREGON...28 DAY AVERAGE
STREAMFLOWS WERE A MIX OF NORMAL TO MUCH BELOW NORMAL...WITH NON
REGULATED STREAMFLOWS EITHER IN THE 10 TO 24 PERCENTILE...OR WITHIN
THE 10 PERCENTILE CLASS FOR LOW FLOWS.

MAJOR RESERVOIR SYSTEMS ACROSS IDAHO WERE GENERALLY HOLDING NEAR
AVERAGE STORAGE. MANY OF THE SMALLER RESERVOIRS IN SOUTH CENTRAL AND
SOUTHWEST IDAHO WERE ONLY HOLDING BETWEEN 30 TO 60 PERCENT OF
AVERAGE. OVERALL RESERVOIR STORAGE IN SOUTHEAST OREGON WAS WELL
BELOW AVERAGE...WITH THE TWO LARGEST RESERVOIRS...OWYHEE AND
WARMSPRINGS...ONLY HOLDING ABOUT 20 PERCENT OF AVERAGE.

JULY 1 2015 RESERVOIR DATA

                 PERCENT OF CAPACITY     PERCENT OF AVG
IDAHO
AMERICAN FALLS           60                      78
ANDERSON RANCH           90                     103
ARROWROCK                66                      89
BEAR LAKE                50                      89
BLACKFOOT                60                      89
BROWNLEE                 97                      99
CASCADE                  87                      91
COEUR D ALENE            97                     100
DEADWOOD                 91                      97
DWORSHAK                 94                      97
HENRYS LAKE              97                     102
ISLAND PARK              79                      85
LAKE LOWELL              71                     112
LITTLE WOOD              48                      57
LUCKY PEAK              100                     102
MACKAY                   74                      99
MAGIC                    27                      42
MANN CREEK               48                      57
MONTPELIER              101                     135
OAKLEY                   26                      61
PALISADES                94                     109
PEND OREILLE             97                      99
PRIEST LAKE             102                      99
RIRIE                    79                      92
SALMON FALLS             13                      32

EASTERN OREGON
OWYHEE                   14                      20
WARM SPRINGS              8                      17
BEULAH                   25                      39
BULLY CREEK              38                      25
UNITY                    65                      87
PHILLIPS                 31                      40
THIEF VALLEY             74                      69

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 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:
HTTP://WWW.IDWR.IDAHO.GOV

OREGON WATER RESOURCES DEPARTMENT (DROUGHT INFORMATION):
HTTP://WWW.OREGON.GOV/OWRD/PAGES/WR/DROUGHT.ASPX

LONG TERM WEATHER AND CLIMATE OUTLOOKS:
HTTP://WWW.CPC.NCEP.NOAA.GOV

WESTERN REGION CLIMATE CENTER (CLIMATE ANOMALY MAPS):
HTTP://WWW.WRCC.DRI.EDU/MONITORING-MAPS/

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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