THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 15 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 AM PST WED DEC 22 2010
...MAJOR HEAVY RAIN AND MOUNTAIN SNOW EVENT CONTINUES FOR THE
WESTERN U.S. AS A SERIES OF MOISTURE-LADEN PACIFIC STORMS MOVE
ASHORE...
FLOOD AND FLASH FLOOD WATCHES...WARNINGS...AND ADVISORIES HAVE
BEEN ISSUED ACROSS SOUTHERN CALIFORNIA...WESTERN
ARIZONA...SOUTHERN NEVADA...AND EXTREME SOUTHWEST UTAH.
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR SOME OF THE HIGHER ELEVATIONS OF
CALIFORNIA...THE INTERMOUNTAIN WEST...AND THE CENTRAL ROCKIES.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 600 AM PST...NATIONAL WEATHER SERVICE RADARS AND SURFACE
OBSERVATIONS INDICATED A LARGE AREA OF MODERATE TO HEAVY
RAIN...WITH SNOW AT HIGHER ELEVATIONS...ACROSS MUCH OF SOUTHERN
CALIFORNIA AND SOUTHERN NEVADA. SCATTERED...GENERALLY LIGHTER RAIN
AND SNOW WAS OCCURRING FARTHER NORTH ON THE WEST COAST AND ALSO
ACROSS THE INTERMOUNTAIN WEST.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 PM PST FRI DEC
17 THROUGH 700 AM PST WED DEC 22...
...CALIFORNIA...
PASCOES SNOTEL 204.0 ESTIMATED
WEST WOODCHUCK MEADOW 192.0 ESTIMATED
WET MEADOWS SNOTEL 191.0 ESTIMATED
KAISER POINT SNOTEL 168.0 ESTIMATED
CRABTREE MEADOW SNOTEL 143.0 ESTIMATED
MAMMOTH LAKES 3 WSW 108.0
MAMMOTH MOUNTAIN TOP 108.0 TO 162
NORTHSTAR 98.0
ASPENDELL 1 WNW 74.0
LONE PINE 10 SW 72.3
JUNE MOUNTAIN 69.0
ALPINE MEADOWS 67.0
SQUAW VALLEY 57.0
HOMEWOOD 55.0
KIRKWOOD SKI AREA 52.0
JUNE LAKE 48.0
TRUCKEE 2 W 42.0
LEE VINING 5.9 NW 34.6
BLACKCAP BASIN 33.0
CHARLOTTE LAKE 30.0
...COLORADO...
GOTHIC 82.0
CRESTED BUTTE 6.2 N 77.5
COAL BANK PASS 48.0
RED MOUNTAIN PASS 44.5
MOLAS PASS 41.0
SILVERTHRONE 10 E 32.0
DILLON 9 E 29.0
BRECKENRIDGE 2 W 28.0
COPPER MOUNTAIN 23.0
WOLF CREEK PASS 1 E 18.0
OAK CREEK 7 WSW 10.6
LEADVILLE 13 NE 10.0
MONARCH PASS 2 NE 10.0
SPICER 1 SSE 10.0
...IDAHO...
KETCHUM 22 NW 22.0
PRESTON 20 NE 18.5
HAILEY 20 ENE 18.0
...NEVADA...
HEAVENLY VALLEY 77.0
MOUNT ROSE 65.0
GREAT BASIN NATIONAL PARK 5 W 31.0
INCLINE VILLAGE 1 NE 31.0
WHEELER PEAK 31.0
MT. CHARLESTON 4 WNW 26.0
ELY 9 SSW 23.0
MCGILL 10 ESE 19.0
RENO 9 W 17.0
RUTH 16.1
CARSON CITY 1.3 NW 12.0
MINDEN 4.2 WSW 10.5
GARDNERVILLE 2 NW 10.3
...OREGON...
THREE RIVERS 0.7 NNE 12.7
ADEL 19.4 ESE 12.0
BAKER 0.6 ENE 11.2
TERREBONNE 9.4 NW 10.5
MADRAS 6.6 NNW 10.2
WSW CAMP SHERMAN 9.0
HOOD RIVER 8.0
SUNRIVER 8.0
TIMBERLINE LODGE 8.0
WILSON RIVER SUMMIT 8.0
TUMALO 9 NW 7.0
WILLAMEETTE PASS 7.0
...UTAH...
DEER VALLEY DALY WEST 62.0
PROVO CANYON 62.0
BRIGHTON CREST 59.0
ALTA - COLLINS 51.0
ALTA UDOT 48.0
PARK CITY JUPITER PEAK 43.0
SOLITUDE POWDERHORN 42.0
SNOWBIRD 38.0
LEVAN 28.0
BIG COTTONWOOD SPRUCES 25.0
SNOWBASIN MID BOWL 24.0
SPRINGDELL 24.0
SANTAQUIN 22.0
FILLMORE 21.0
...WASHINGTON...
LEAVENWORTH 1 NNW 12.4
PESHASTIN 5.3 SSW 7.8
HUSUM 1.8 NE 7.6
CARSON 7.0
...WYOMING...
OLD BATTLE 73.5
SKYLINE 8 SW 63.0
BROOKLYN LAKE 60.0
WEBBER SPRINGS 58.5
NORTH FRENCH CREEK 57.0
LITTLE SNAKE RIVER 50.4
SAND LAKE 48.0
DIVIDE PEAK 36.0
NORTH SAND LAKE 34.5
ROB ROY RESERVOIR 2 NE 33.6
SAGE CREEK CANYON 31.5
BATTLE LAKE 2 E 31.2
SANDSTONE RANGER STATION 31.2
SOUTH BRUSH CREEK 30.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 PM PST FRI DEC
17 THROUGH 700 AM PST WED DEC 22...
...A PORTION OR ALL OF THE PRECIPITATION AT SOME OF THESE SITES
MAY HAVE FALLEN AS SNOW...
...ARIZONA...
IRON SPRING 11.14
BLACK ROCK 9.23
CHLORIDE 3 ESE 6.41
TWEED POINT 5.70
KINGMAN 12 SE 3.86
GRAND CANYON WEST 3.15
...CALIFORNIA...
CRESTLINE 0.2 WSW 20.05
NATURE POINT NEAR BASS LAKE 18.60
TANBARK 16.94
WOFFORD HEIGHTS 15.78
DEVORE 15.62
LYTLE CREEK 2 SSE 15.03
CAMP NELSON 6SW 14.08
THREE PEAKS 13.74
OAKHURST 7.5 N 13.56
WISHON DAM 13.54
FAIRVIEW 9NW 13.30
MAMMOTH LAKES 12.82
CAMP NELSON 6NW 12.79
SANTA BARBARA 1.9 NE 12.39
LAKE ARROWHEAD 3 ENE 12.09
LOS ANGELES-USC 6.66
SAN DIEGO/MONTGOMERY FIELD 4.22
SAN FRANCISCO INTL ARPT 2.44
...NEVADA...
MOUNT CHARLESTON 12.66
LAS VEGAS 24 WNW 8.99
WARD MOUNTAIN SNOTEL 5.80
MOUNTAIN SPRINGS 5.45
RUTH 5.21
GARDEN SPRING 5.09
PIOCHE 4.23
RED ROCK CANYON 3.08
GARDNERVILLE 5 W 2.95
MERCURY/DESERT ROCK ARPT 2.90
RENO 5.6 WSW 2.59
CARSON CITY 1.5 ENE 2.27
ELY AIRPORT-YELLAND FIELD 2.25
...OREGON...
PORT ORFORD 5 E 5.33
CAVE JUNCTION 3.7 E 4.86
BROOKINGS 4.2 ENE 4.85
SEXTON SUMMIT 4.28
ROGUE RIVER 6 N 3.81
GOLD BEACH 4.8 NE 3.43
WILLIAMS 1 N 2.75
ROME 1.06
...UTAH...
GUTZ PEAK 15.90
LITTLE GRASSY 15.10
KOLOB 10.90
LAVA POINT RAWS 10.62
MIDWAY VALLEY 10.10
TIMPANOGOS DIVIDE 8.70
SOLITUDE 8.35
BIG FLAT 8.20
BEN LOMOND TRAIL 7.60
HARRIS FLAT 7.00
LONG VALLEY JCT 6.80
MERCHANT VALLEY 6.80
ZION NATIONAL PARK 6.76
MILFORD MUNI ARPT 2.23
...WASHINGTON...
PESHASTIN 0.7 NE 5.18
OCEAN SHORES 1.2 NNW 2.07
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR IN THE LAST SIX
HOURS...
...CALIFORNIA...
GRAPEVINE 3 SSE 68
TRUCKEE-TAHOE 63
BLUE CANYON 55
LAKE TAHOE AIRPORT 55
AVALON/CATALINA AIRPORT 54
...NEVADA...
LOVELOCK/DERBY FIELD 53
MERCURY/DESERT ROCK ARPT 52
A SERIES OF MOIST PACIFIC SYSTEMS WILL CONTINUE TO INUNDATE THE
WESTERN U.S. THROUGH THE MIDDLE OF THIS WEEK AS A PLUME OF DEEP
SUBTROPICAL MOISTURE CONTINUES TO STREAM INTO THE REGION.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES...WITH LOCALIZED
HIGHER AMOUNTS...CAN BE EXPECTED THROUGH THURSDAY MORNING...WITH A
FOOT OR MORE OF ADDITIONAL SNOW POSSIBLE IN THE HIGHEST ELEVATIONS
OF THE WEST. THE HEAVIEST PRECIPITATION SHOULD COME TO AND END
ACROSS THE REGION BY WEDNESDAY EVENING.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 100 PM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
GERHARDT
Last Updated: 952 AM EST WED DEC 22 2010