THE HYDROMETEOROLOGICAL PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 09 FOR PACIFIC NORTHWEST HEAVY RAIN AND SNOW
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 AM PST WED NOV 21 2012
...MULTI-DAY HEAVY RAIN AND SNOW EVENT IS BEGINNING TO WIND DOWN
ACROSS THE PACIFIC NORTHWEST AND NORTHERN CALIFORNIA...
WINTER STORM WARNINGS ARE IN EFFECT INTO LATE AFTERNOON TODAY FOR
THE HIGH ELEVATIONS OF CENTRAL IDAHO.
WINTER WEATHER ADVISORIES ARE IN EFFECT FOR THE WEST SLOPES OF THE
NORTHERN SIERRA NEVADA...THE CASCADES...AS WELL AS THE HIGH
TERRAIN OF MONTANA...IDAHO...AND THE VICINITY OF YELLOWSTONE
NATIONAL PARK.
HIGH WIND WARNINGS AND WIND ADVISORIES ARE IN EFFECT FOR AREAS OF
INTERIOR WASHINGTON...OREGON...CALIFORNIA...AND NEVADA AS WELL AS
PORTIONS OF MONTANA AND WYOMING.
FLOOD WATCHES AND WARNINGS ARE IN EFFECT FOR WESTERN PORTIONS OF
OREGON AND WASHINGTON AS WELL AS OVER NORTHERN IDAHO.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AN UPPER-LEVEL LOW LOCATED OVER THE NORTHEAST PACIFIC IS DIRECTING
THE LAST IN A SERIES OF ENERGETIC AND MOIST DISTURBANCES INTO THE
NORTHWESTERN U.S. AT 600 AM PST...NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS SHOWED AREAS OF LIGHT TO
MODERATE RAIN COVERING THE NORTHERN HALF OF CALIFORNIA...PARTS OF
THE PACIFIC NORTHWEST AND INTO THE NORTHERN ROCKIES BEHIND A COLD
FRONT. PRECIPITATION IN THE HIGHER ELEVATIONS WAS IN THE FORM OF
SNOW.
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 AM PST SAT NOV
17 THROUGH 600 AM PST WED NOV 21...
...CALIFORNIA...
SMITH RIVER 1.1 SSE 7.85
PETROLIA 7.4 SE 6.56
FORT DICK RIVER 6.52
HIRZ 5.60
BONANZA KING 5.28
GASQUET RS 4.72
HONEYDEW 1 SW 4.72
BLUE CANYON 4.66
CALLENGE-BROWNSVILLE 1.3 WSW 4.62
COFFEE RIDGE 4.40
GRASS VALLEY 4.32
CRESCENT CITY 5 NE 4.14
CAZADERO 5.6 W 3.99
SHINGLETON 2.8 NNW 3.79
POLLOCK PINES 0.5 NW 3.55
REDDING 3.8 S 3.49
SANTA CRUZ 6.3 NNE 3.49
NEVADA CITY 3.4 NNW 3.32
...IDAHO...
HIDDEN LAKE 4.40
SCHWEITZER BASIN 3.80
MULLAN PASS 3.60
BEAR MOUNTAIN 3.30
SPIRIT LAKE 3.6 E 2.76
ATHOL 1.5 ENE 2.27
...OREGON...
BROOKINGS 4.2 ENE 12.12
HARBOR 3 NE 9.84
LEES CAMP 7.90
RED MOUNDS RAWS 7.84
NEHALEM 7.75
BROOKINGS 7.72
GOLD BEACH 7.15
ASTORIA 7.08
CEDAR CREEK RAWS 7.03
PORT ORFORD 5 E 6.85
BANDON 3 S 6.80
NESIKA BEACH 2 E 6.60
SADDLE MOUNTAIN 5.20
SCAPPOOSE 4.93
CEDAR CREEK 4.87
SALEM/MCNARY FIELD 4.79
PORTLAND/HILLSBORO ARPT 3.83
...WASHINGTON...
LEES CAMP 7.90
NEHALEM 7.75
CEDAR CREEK RAWS 7.03
BRINNON 1.7 WSW 6.82
TIDEWATER RAWS 6.76
FRANCES 6.50
HUCKLEBERRY 6.20
HOQUIAM/BOWERMAN AIRPORT 6.07
TILLAMOOK RAWS 5.58
ROCKHOUSE RAWS 5.50
SHELTON/SANDERSON FIELD ARPT 5.24
BREMERTON NATIONAL ARPT 4.88
OLYMPIA 4.5 NW 4.86
QUILLAYUTE 4.64
LANGLOIS 1 NNE 4.07
LILLIWAUP 4.00
SEATTLE/BOEING FIELD 3.51
OLYMPIA AIRPORT 3.48
TACOMA NARROWS AIRPORT 3.25
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 AM PST SAT NOV
17 THROUGH 600 AM PST WED NOV 21...
...CALIFORNIA...
SODA SPRINGS 1.5 SSW 12.0
...IDAHO...
KETCHUM 22 NW 9.0
COLBURN 4 WSW 8.0
ARCO 33 WNW 6.0
...MONTANA...
FLATTOP MOUNTAIN 14.0
...WASHINGTON...
CHEWELAH 8 E 9.0
CURLEW LAKE STATE 11 SE 6.0
NEWMAN LAKE 10 N 6.0
WINTHROP 6.8 NNW 5.5
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CALIFORNIA...
GASQUET 5 ESE (3698 FT) 70
ORLEANS 7 WNW (4170 FT) 70
COOSKIE MOUNTAIN RAWS (1640 FT) 68
WESTHAVEN-MOONSTONE 3 N 67
...MONTANA...
EAST GLACIER PARK 8 SE 76
BYNUM 14 W 72
SAINT MARY 67
...OREGON...
MOUNT HEBO 106
YAQUINA HEAD 98
ASTORIA 5 W 92
GARIBALDI 90
LINCOLN CITY 85
NEWPORT 83
PACIFIC CITY WSW 75
ROCKAWAY BEACH 70
ASTORIA 60
NEWBERG 60
...WASHINGTON...
NASELLE RIDGE (2000 FT) 114
ABERNATHY MTN 111
MOUNT HEBO 106
MEGLER TOWER (1189 FT) 101
YAQUINA HEAD 98
BENTON CITY 10 NNW 97
COLUMBIA RIVER BAR 97
CAPE DISAPPOINTMENT 92
CRYSTAL MOUNTAIN 78
HURRICANE RIDGE 2 SW 68
PRECIPITATION ACROSS THE NORTHWESTERN U.S. IS EXPECTED TO PUSH
FARTHER TO THE EAST INTO THE NORTHERN ROCKIES TODAY AND TONIGHT.
AS AN AREA OF HIGH PRESSURE BEGINS TO BUILD BEHIND THE COLD
FRONT...PRECIPITATION IN THE PACIFIC NORTHWEST IS EXPECTED TO
GRADUALLY TAPER OFF OVERNIGHT TONIGHT. GENERALLY LESS THAN 3/4 OF
AN INCH OF RAIN IS FORECAST FOR TODAY IN PORTIONS OF WASHINGTON
AND OREGON...WITH LIGHTER AMOUNTS FARTHER SOUTH OVER CALIFORNIA.
AT THE HIGHER ELEVATIONS OF THE CASCADES...ADDITIONAL SNOWFALL
AMOUNTS EXCEEDING A FOOT IS STILL POSSIBLE THROUGH TONIGHT.
THIS WILL BE THE LAST STORM SUMMARY ISSUED BY THE
HYDROMETEOROLOGICAL PREDICTION CENTER FOR THIS EVENT. PLEASE REFER
TO YOUR LOCAL NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL
INFORMATION.
KONG
Last Updated: 1000 AM EST WED NOV 21 2012