THE HYDROMETEOROLOGICAL PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 21 FOR WESTERN U.S. HEAVY RAIN AND SNOW
NWS HYDROMETEOROLOGICAL PREDICTION CENTER COLLEGE PARK MD
100 PM PST TUE DEC 04 2012
...ANOTHER ROUND OF RAIN AND SNOW FOR THE PACIFIC NORTHWEST...
FLOOD WATCHES AND WARNINGS ARE IN EFFECT FOR WESTERN PORTIONS OF
WASHINGTON AND OREGON AS WELL AS EXTREME NORTHERN CALIFORNIA.
WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES ARE IN EFFECT
FOR THE CASCADES IN WASHINGTON STATE...AS WELL AS MUCH OF
NORTHWEST WYOMING AND CENTRAL IDAHO.
HIGH WIND WATCHES AND WARNINGS AS WELL AS WIND ADVISORIES ARE IN
EFFECT FOR PORTIONS OF EXTREME NORTHERN CALIFORNIA...MUCH OF
OREGON...AS WELL AS PORTIONS OF WASHINGTON...IDAHO...MONTANA AND
WYOMING.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 100 PM PST...AN EXPANSIVE AREA OF LOW PRESSURE IN THE NORTHERN
PACIFIC CONTINUES TO BRING WAVES OF LOW PRESSURE/TROUGHS AND
FRONTS TOWARD THE U.S./CANADA WEST COAST. ONE SUCH SYSTEM WAS
LOCATED WEST OF THE WASHINGTON/BRITISH COLUMBIA COASTLINE THIS
AFTERNOON AND WILL PUSH ONSHORE LATER TODAY AND OVERNIGHT.
NATIONAL WEATHER SERVICE RADARS AND SURFACE OBSERVATIONS CONTINUE
TO INDICATE AREAS OF RAIN...SOME OF WHICH WAS MODERATE TO
HEAVY...ACROSS NORTHERN CALIFORNIA INTO WESTERN WASHINGTON AND
OREGON...WITH SOME OF THE HEAVIEST SHOWERS ACROSS NORTHERN
CALIFORNIA INTO SOUTHWEST OREGON. WHILE SNOW LEVELS HAVE
INCREASED RELATIVE TO PREVIOUS DAYS...LIGHT TO MODERATE SNOW
CONTINUES TO FALL IN THE CASCADES IN WASHINGTON...AS WELL AS
FARTHER INLAND ACROSS THE HIGH ELEVATIONS OF IDAHO AND WYOMING.
SNOW LEVELS ARE EXPECTED TO FALL ESPECIALLY OVER WASHINTON
OVERNIGHT INTO TOMORROW AS THE WEATHER SYSTEM MOVES ONSHORE.
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 PM PST TUE NOV
27 THROUGH 1200 PM PST TUE DEC 04...
...CALIFORNIA...
BRANDY CREEK (SHASTA) 23.48
STERLING CITY (FEATHER) 21.24
SIMS 17.90
PETROLIA 7.4 SE 17.50
NORTH COAST CAMP SIX 16.64
BRIDGEVILLE 5.2 ENE 16.31
MIRANDA 4.1 SW 15.67
OAK MOUNTAIN 15.16
CAZADERO 6.9 WNW 14.57
KINGVALE 1.3 WSW 14.55
REDWAY 1.8 WSW 14.04
LOS GATOS 6.1 S 13.89
BLUE CANYON 13.42
BRANDY CRK 12.60
SECRET TOWN 12.55
BEALE AFB/MARYSVILLE 9.55
SAN FRANCISCO INTL AIRPORT 4.09
...IDAHO...
MULLAN PASS 4.46
YELLOW PINE 0.2 SSW 4.05
GARDEN VALLEY 2.7 NW 4.03
MCCALL 9.3 SSE 3.80
SANDPOINT 13.3 NE 2.92
DOVER 0.4 SW 2.38
CLARK FORK 3.5 SE 2.19
SAGLE 1.8 NNE 2.14
ST. MARIES 2.8 S 2.11
ATHOL 1.5 ENE 1.99
...MONTANA...
NOXON 9.1 NNW 2.91
LIBBY 28.0 SSW 2.14
...NEVADA...
RENO 5.6 WSW 3.94
GARDNERVILLE 3.9 S 3.21
CARSON CITY 2.3 NNE 2.43
SPARK 1.26
INCLINE VILLAGE 4 NE 1.12
...OREGON...
OBRIEN 2 SW 13.75
FOSS 10.38
BROOKINGS 4.2 ENE 10.37
MEDFORD 5.0 SSW 8.02
PORT ORFORD 5.0 E 7.75
GOLD HILL 5.4 NNW 7.54
CAVE JUNCTION 3.7 E 7.27
GRANTS PASS 6.1 SSE 7.00
WILLIAMS 1 NW 6.80
CENTRAL POINT 5.7 NW 6.78
SEXTON SUMMIT 6.56
SHADY COVE 0.2 S 6.47
ASHLAND 1.4 ESE 6.44
ASTORIA 5.22
PORTLAND/HILLSBORO ARPT 2.98
...WASHINGTON...
WYNOOCHEE LAKE 13.05
BRINNON 1.7 WSW 8.71
TRACYTON 2.3 WSW 7.75
GRAYS RIVER 0.9 SSE 7.13
MONTESANO 4.5 SW 6.84
BREMERTON NATIONAL ARPT 6.52
QUILLAYUTE 6.04
SILVERDALE 5.5 NNW 5.49
OCEAN SHORES 1.2 N 5.39
CHIMACUM 5.1 S 5.38
PORT LUDLOW 1.1 SSE 5.31
HOQUIAM/BOWERMAN AIRPORT 5.11
OLYMPIA AIRPORT 4.20
SEATTLE/BOEING FIELD 3.86
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 PM PST TUE NOV
27 THROUGH 1200 PM PST TUE DEC 04...
...CALIFORNIA...
MT ROSE SKI 45.0
MAMMOTH LAKES 2 WNW 26.0
KIRKWOOD SKI RESORT 22.0
SIERRA AT TAHOE 19.0
KAISER POINT SNOTEL 18.0
MITCHELL MEADOW SNOTEL 15.0
VOLCANIC KNOB SNOTEL 14.0
SODA SPRINGS 1.5 SSW 13.0
BISHOP PASS SNOTEL 12.0
SUGAR BOWL SKI RESORT 12.0
CHAGOOPA PLATEAU SNOTEL 10.0
ALPINE MEADOWS 9.0
CHARLOTTE LAKE SNOTEL 8.0
TUNNEL GUARD STATION 8.0
CHAGOOPA PLATEAU 7.0
KAISER POINT 7.0
...IDAHO...
DEADWOOD SUMMIT 1 W 46.0
GROUSE 16 WNW 43.0
KETCHUM 16 WSW 42.0
ISLAND PARK 4 WSW 34.0
CHALLIS 13 WSW 28.0
KETCHUM 22 NW 25.4
JAMES CREEK SUMMIT 1 ESE 24.0
N TRINITY LAKES 20.0
ISLAND PARK 8 NW 14.9
MACKAY 17 SW 14.7
ARCO 33 WNW 12.5
STANLEY 28 NE 10.0
...MONTANA...
WEST YELLOWSTONE 10 S 16.0
BIG SKY 22 S 9.0
EAST PORTAL 5 NNW 8.0
LAKEVIEW 1 SW 7.0
...NEVADA...
MOUNT ROSE SKI AREA 23.0
DAGGET PASS 8.0
...OREGON...
ASHLAND 8 S 10.0
...WASHINGTON...
WINTHROP 6.8 NNW 10.3
PLAIN 0.8 NW 4.0
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CALIFORNIA...
MAMMOTH MOUNTAIN 150
WARD MOUNTAIN 139
LAKE CITY 3 E 90
SANDBERG 86
HIGH GLADE LOOKOUT 81
INDEPENDENCE 5 NW 79
SIERRAVILLE 5 SSW 78
DUNCAN PEAK RAWS 77
REDDING 2 S 71
MT. DIABLO RAWS 67
BLUE CANYON 66
RIVERSIDE 63
SAN FRANCISCO INTL ARPT 50
...MONTANA...
LIVINGSTON 2 WSW 77
NYE 5 SW 76
EMIGRANT 3 SSE 67
MCALLISTER 4 NNE 67
BOULDER 61
...NEVADA...
WARD MOUNTAIN 139
MOUNT ROSE SKI ARE 95
RENO 2 SSE 95
LAKE CITY 90
MOUNT MONTGOMERY 5 ENE 88
WASHOE CITY 1 S 84
JARBIDGE 9 E 83
WALTER LAKE 80
VIRGINIA CITY 4 NNW 77
KYLE CANYON RAWS 73
CARSON CITY 6 SW 72
GARDNERVILLE 5 WSW 68
SILVER SPRINGS 68
...OREGON...
NEWPORT 84
GARIBALDI 1 SW 73
LEBANON 5 WSW 71
SPRAGUE RIVER 10 SSE 60
...SOUTH DAKOTA...
BUFFALO 1 N 59
...UTAH...
CENTRAL WASATCH PEAKS 113
ALTA 85
SNOWBASIN 72
BRIGHTON 71
PARK CITY 71
...WYOMING...
SHERIDAN 68
ELK MOUNTAIN 5 W 59
ARLINGTON 54
MOISTURE ASSOCIATED WITH THE FRONTAL SYSTEM IS FORECAST TO
CONTINUE PUSHING ONSHORE INTO THE PACIFIC NORTHWEST AND NORTHERN
CALIFORNIA TONIGHT...RESULTING IN AN ADDITIONAL 1 TO 3 INCHES OF
RAIN. THERE MAY BE ISOLATED HIGHER AMOUNTS...WHICH COULD LEAD TO
LOCALIZED FLOODING ISSUES ON ALREADY SATURATED GROUND ESPECIALLY
IN NORTHWESTERN CALIFORNIA TODAY. OVER THE CASCADES AND PARTS OF
THE NORTHERN ROCKIES...AN ADDITIONAL 1 TO 2 FEET OF SNOW...WITH
LOCALLY HIGHER AMOUNTS WILL BE POSSIBLE THROUGH WEDNESDAY. STRONG
AND GUSTY WINDS WILL ALSO BE POSSIBLE...ESPECIALLY ALONG THE COAST
AND IN THE HIGHER ELEVATIONS.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 700 PM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
KOCIN
Last Updated: 354 PM EST TUE DEC 04 2012