The Northwest Power and
Conservation Council had analysts update them on the latest spring
runoff forecast and its implications for power supply. River operations
manager Jim Ruff told the panel the current snowpack for the entire
Columbia Basin above The Dalles Dam stands at 73% of average.
Jim
Ruff: “Even with the recent storm events that we've had at the end of
March and the beginning of this month, it's been too little, too late.
It may help a little bit in some areas, but it's not going to bring us
anywhere close to average.”
Web extras:
United States Natural Resources Water and Climate Center
Department of Conservation Portland, Oregon
Agriculture Service
S N O W - P R E C I P I T A T I O N U P D A T E
Based on Mountain Data from NRCS SNOTEL Sites
As of TUESDAY: APRIL 13, 2010
-----------------------------------------------------------------------------
STATE PERCENT OF AVERAGE
RIVER BASIN Number Snow Water Accum
of Sites Equivalent Precip
-----------------------------------------------------------------------------
IDAHO
NORTHERN PANHANDLE REGION .................... 6 of 10 80 *
SPOKANE RIVER BASIN .......................... 8 of 10 59 67
CLEARWATER BASIN ............................. 13 of 16 62 64
SALMON BASIN ................................. 22 of 22 68 70
WEISER BASIN ................................. 3 of 4 93 87
PAYETTE BASIN ................................ 9 of 11 68 72
BOISE BASIN .................................. 9 of 10 74 78
BIG WOOD BASIN ............................... 9 of 9 73 72
LITTLE WOOD BASIN ............................ 4 of 5 72 79
BIG LOST BASIN ............................... 4 of 5 64 74
LITTLE LOST, BIRCH BASINS .................... 4 of 4 72 77
MEDICINE LODGE, BEAVER, CAMAS BASINS ......... 4 of 4 71 77
HENRYS FORK, TETON BASINS .................... 6 of 8 61 61
SNAKE BASIN ABOVE PALISADES .................. 16 of 18 60 64
WILLOW, BLACKFOOT, PORTNEUF BASINS ........... 5 of 6 71 73
SNAKE BASIN ABOVE AMERICAN FALLS ............. 25 of 29 63 65
OAKLEY BASIN ................................. 3 of 3 90 88
SALMON FALLS BASIN ........................... 5 of 5 86 88
BRUNEAU BASIN ................................ 5 of 5 94 86
OWYHEE BASIN ................................. 7 of 8 110 85
BEAR RIVER BASIN ............................. 13 of 15 69 72
OREGON
OWYHEE ....................................... 7 of 8 110 85
MALHEUR ...................................... 3 of 3 116 84
GRANDE RONDE, POWDER, BURNT, IMNAHA .......... 14 of 17 88 81
UMATILLA, WALLA WALLA, WILLOW ................ 5 of 8 71 78
JOHN DAY ..................................... 11 of 13 88 83
UPPER DESCHUTES, CROOKED ..................... 13 of 14 77 80
HOOD, SANDY, LOWER DESCHUTES ................. 8 of 8 80 79
COAST RANGE .................................. 1 of 2 0 82
WILLAMETTE ................................... 19 of 21 68 81
ROGUE, UMPQUA ................................ 12 of 12 88 79
KLAMATH ...................................... 16 of 18 89 75
LAKE COUNTY, GOOSE LAKE ...................... 9 of 9 90 80
HARNEY ....................................... 9 of 9 97 87
WASHINGTON
NORTHERN PANHANDLE ........................... 6 of 10 80 *
SPOKANE ...................................... 8 of 10 59 67
UPPER COLUMBIA ............................... 5 of 5 79 88
CENTRAL COLUMBIA ............................. 7 of 8 90 82
UPPER YAKIMA ................................. 5 of 5 80 79
LOWER YAKIMA ................................. 7 of 9 104 91
LOWER SNAKE .................................. 17 of 22 68 70
LOWER COLUMBIA ............................... 18 of 22 96 86
SOUTH PUGET SOUND ............................ 7 of 8 71 75
CENTRAL PUGET SOUND .......................... 9 of 9 71 80
NORTH PUGET SOUND ............................ 8 of 12 74 96
OLYMPIC ...................................... 3 of 4 133 146
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