THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 8 FOR WESTERN U.S. WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 PM PST THU JAN 19 2012
...CORRECTION FOR RAIN TOTALS...
...A MAJOR WINTER STORM CONTINUES TO AFFECT THE NORTHWESTERN
UNITED STATES WITH HEAVY SNOW...HEAVY RAINS...ICING AND VERY
STRONG WINDS...
WINTER STORM WATCHES...WARNINGS AND ADVISORIES ARE CURRENTLY IN
EFFECT FOR A LARGE PORTION OF THE NORTHWESTERN U.S. FROM THE
SIERRA RANGE OF CALIFORNA...ACROSS THE PACIFIC
NORTHWEST...NORTHERN ROCKIES...NORTHERN GREAT BASIN AND INTO THE
NORTHERN HIGH PLAINS. FLOOD WATCHES...WARNINGS AND ADVISORIES ARE
CURRENTLY IN EFFECT FROM COASTAL NORTHWESTERN CALIFORNIA INTO
COASTAL OREGON. HIGH WIND WARNINGS AND WIND ADVISORIES ARE IN
EFFECT ACROSS WESTERN OREGON...PORTIONS OF SOUTHEASTERN WYOMING
AND THE FOOTHILLS OF THE NORTHERN AND CENTRAL COLORADO ROCKIES.
AVALANCHE WARNINGS ARE IN EFFECT FOR THE WASHINGTON AND OREGON
CASCADES AND THE OLYMPIC RANGE OF WASHINGTON.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 600 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADARS AND
SURFACE OBSERVATIONS INDICATED A LARGE AREA OF MODERATE TO HEAVY
PRECIPITATION COVERING CENTRAL TO NORTHERN CALIFORNIA...WESTERN
OREGON AND WESTERN TO SOUTHEASTERN PORTIONS OF WASHINGTON STATE.
LIGHT PRECIPITATION IS FALLING FARTHER INLAND ACROSS NORTHERN
NEVADA...PORTIONS OF IDAHO...NORTHWESTERN MONTANA AND NORTHWESTERN
WYOMING. RAIN IS THE PREDOMINANT PRECIPITATION TYPE FROM THE
LOWER ELEVATIONS OF CENTRAL TO NORTHERN CALIFORNIA...NORTHWARD
THROUGH MOST OF OREGON AND OVER NORTHERN NEVADA AND SOUTHERN
IDAHO. SNOW IS FALLING ACROSS THE NORTHERN SIERRA RANGE OF
CALIFORNIA..NORTHWARD THROUGH THE CASCADES OF OREGON AND
WASHINGTON...ACROSS EAST CENTRAL TO SOUTHEAST
WASHINGTON...NORTHERN IDAHO AND NORTHWESTERN MONTANA. FREEZING
RAIN AND FREEZING DRIZZLE IS REPORTED THROUGH THE MID TO UPPER
COLUMBIA RIVER VALLEY ALONG THE WASHINGTON/OREGON BORDER. WINDS
HAVE DECREASED IN INTENSITY ALONG THE OREGON AND NORTHERN
CALIFORNIA COASTS.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 200 PM PST MON JAN
16 THROUGH 600 PM PST THU JAN 19...
...CALIFORNIA...
CARRVILLE 11 SSW 12.5
JUNCTION CITY 2 N 12.0
WEAVERVILLE 1 SSW 12.0
SIMS 1 SSW 10.0
DUNSMUIR 4 SSW 8.0
CHESTER 6.0
WHITMORE 7 NW 6.0
...IDAHO...
KETCHUM 22 NW 38.5
STANLEY 28 NE 32.9
BURLEY 30 SW 22.2
PINE 16.5
MULLAN 15.0 ESTIMATED
BOISE 12 NE 14.0
NW WASCO 14.0
WALLACE 14.0 ESTIMATED
MONTPELIER 11 NE 13.8
OSBURN 13.5
OROFINO 3 NE 12.0
PRICHARD 12.0 ESTIMATED
CORRAL 3 WSW 11.0
NNE FAIRFIELD 11.0
...MONTANA...
HERON 2 NW 15.3
MISSOULA 2 N 15.0
COPPER CAMP 13.0
MANY GLACIER 13.0
FLATTOP MOUNTAIN 12.0
HELENA 12.0
SALTESE 6 NW 12.0
PIKE CREEK 11.0
SPUR PARK 11.0
VICTOR 2 SW 11.0
BABB 11 WSW 10.0
BADGER PASS 9.0
BLACK BEAR 9.0
...OREGON...
MT. HOOD MEADOWS 50.0 ESTIMATED 50-55
TIMBERLANE 45.0 ESTIMATED 45-55
BLAZED ALDER 35.0 ESTIMATED
MOUNT HOOD TEST 35.0 ESTIMATED 35-40
GOVERNMENT CAMP 34.0
BEAR GRASS 32.0 ESTIMATED 32-36
NORTH FORK 31.0
CLACKAMAS LAKE 30.0 ESTIMATED
CLEAR LAKE 30.0 ESTIMATED
DALY LAKE 30.0 ESTIMATED
GREENPOINT 30.0 ESTIMATED 30-35
LITTLE MEADOWS 30.0 ESTIMATED 30-35
MUD RIDGE 30.0 ESTIMATED 30-35
...UTAH...
ALTA 16.0 9662 FT
SNOWBIRD 11.0 8100 FT
PROVO CANYON 6.0
PARK CITY JUPITER PEAK 5.0
...WASHINGTON...
JUNE LAKE 31.0
SURPRISE LAKE 30.0 ESTIMATED
LEAVENWORTH 12.4 N 26.5
PLAIN 0.8 NW 26.0
WINLOCK 0.5 W 25.4
CALAMITY 25.0 ESTIMATED
LONE PINE 25.0 ESTIMATED 25-30
OLYMPIA 6.5 SW 25.0
PEPPER CREEK 25.0 ESTIMATED
SPENCER MEADOW 25.0 ESTIMATED
SWIFT CREEK 25.0 ESTIMATED 25-30
MINERAL 0.2 S 22.7
JUNE LAKE SNOTEL 20.0
SHEEP CANYON 20.0 ESTIMATED 20-25
ROSALIA 3 W 13.0
TACOMA 3.1 NW 11.1
SPOKANE 7.7
SEATTLE 7.1
...WYOMING...
OVANDO 2.9 SW 24.0
JACKSON 3.5 SSW 16.2
MISSOULA 5.0 E 15.2
AFTON 17 E 12.0
PAHASKA 14 NE 12.0
BONDURANT 19 SW 11.0
SOUTH ENTRANCE 5 N - YELLOWSTONE 11.0
CORA 22 N 10.0
THAYNE 17.2 E 10.0
BILLINGS 1.9 NE 9.6
KEMMERER 36 N 9.0
MORAN JUNCTION 8 NNE 9.0
ALPINE 8.0
CLARK 21 W 8.0
CODY 56 SW 8.0
HOBACK JUNCTION 8.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 200 PM PST MON JAN
16 THROUGH 600 PM PST THU JAN 19...
...CALIFORNIA...
CRESCENT CITY/MC NAMARA FIELD 5.14
ARCATA AIRPORT 3.63
...OREGON...
SWISS HOME 15.00
FALLS CITY 10.20
SILVERTON 9 SE 8.83
AGNESS 6 NE 7.40
SALEM/MCNARY FIELD 6.82
PHILOMATH 5 SW 6.68
CAVE JUNCTION 2 N 6.25
N MYRTLE POINT 6.10 ESTIMATED
CORVALLIS MUNI ARPT 5.98
OBRIEN 1 SSW 5.82
CRESCENT CITY 6 NNE 5.55
BROOKINGS 5 NNW 5.50
MCMINNVILLE MUNI ARPT 4.30
LANGLOIS 1 NNE 4.12
EUGENE/MAHLON SWEET FLD 3.95
WILDERVILLE 2 WSW 3.58
NE BROOKINGS 3.52
WILLIAMS 1 WSW 3.47
ROSEBURG 8 WSW 3.00
SCOTTSBURG 2 E 3.00
BANDON 3 NE 2.90
PORTLAND INTL ARPT 1.75
...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
200 PM PST MON JAN 16 THROUGH 600 PM PST THU JAN 19...
...OREGON...
N PARKDALE 1.00
W HOOD RIVER 0.25
...WASHINGTON...
FEDERAL WAY 1 WNW 0.50
GRAND MOUND 5 NNW 0.50
LAKE CITY 3 NW 0.50
SHELTON 4 NE 0.50
NORTH BEND 2 SE 0.30
GALVIN 2 SSE 0.25
ISSAQUAH 0.25
MIRRORMONT 1 NW 0.25
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...NEVADA...
WASHOE CITY 84
RENO 70
SOUTH LAKE TAHOE 70
VIRGINIA CITY 5 E 70
...OREGON...
SUMMER LAKE 88
PAISLEY 11 W 81
TENNANT 60
...WYOMING...
WHEATLAND 9 S 77
CENTENNIAL 14 NE 68
CHEYENNE 14 WSW 67
ARLINGTON 65
CHEYENNE 10 SW 57
THIS WILL BE A MULTI-DAY EVENT FOR LARGE PORTIONS OF THE
NORTHWESTERN UNITED STATES FROM NORTHERN CALIFORNIA...THROUGH THE
PACIFIC NORTHWEST OF WASHINGTON AND OREGON AND INTO THE NORTHERN
ROCKIES ACROSS NORTHWESTERN MONTANA...ALL OF IDAHO...WESTERN
WYOMING...NORTHEASTERN NEVADA AND INTO THE NORTHERN WASATCH AND
UINTA RANGES OF UTAH. A SERIES OF STORM SYSTEMS WILL BE MOVING OFF
THE NORTHEASTERN PACIFIC OCEAN AND INTO THE NORTHWESTERN UNITED
STATES THROUGH THE END OF THIS WEEK AND INTO A LARGE PORTION OF
NEXT WEEK. WHILE THERE WILL BE BREAKS IN THE HEAVY PRECIPITATION
BETWEEN THE STORM SYSTEMS AFFECTING THE NORTHWESTERN UNITED
STATES...VERY HEAVY RAINFALL AND SNOWFALL AMOUNTS ARE LIKELY.
RAINFALL TOTALS WILL RANGE FROM 10-20 INCHES ALONG THE OREGON
COAST AND INTO THE NORTHERN CALIFORNIA COAST...WHILE SNOWFALL
TOTALS OF 4 TO 6 FEET ARE LIKELY THROUGH THE CASCADES OF
WASHINGTON/OREGON...THE SHASTA/SISKIYOU/NORTHERN SIERRA RANGES OF
CALIFORNIA...THROUGH THE NORTHERN WASATCH AND UINTA RANGES OF UTAH
AND ACROSS THE NORTHERN ROCKIES FROM FAR EASTERN IDAHO/WESTERN
WYOMING...THROUGH CENTRAL TO NORTHERN IDAHO...NORTHWESTERN MONTANA
AND NORTHEASTERN OREGON. IN ADDITION TO THE HEAVY
PRECIPITATION...VERY STRONG WINDS WILL ACCOMPANY EACH STORM SYSTEM
AS IT MOVES ASHORE THROUGH THE REMAINDER OF THIS WEEK INTO NEXT
WEEK ALONG COASTAL SECTIONS FROM NORTHWESTERN CALIFORNIA INTO
OREGON AND WASHINGTON.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 100 AM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
ORAVEC
Last Updated: 1004 PM EST THU JAN 19 2012