THE HYDROMETEOROLOGICAL PREDICTION CENTER
CAMP SPRINGS, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 18 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
100 AM PST THU DEC 23 2010
...MAJOR HEAVY RAIN AND MOUNTAIN SNOW EVENT WINDING DOWN ACROSS
THE WESTERN U.S. AS THE LAST OF A SERIES OF MOISTURE-LADEN PACIFIC
STORMS MOVES INLAND...
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR THE HIGHER ELEVATIONS OF THE INTERMOUNTAIN WEST.
FLOOD WARNINGS REMAIN IN EFFECT FOR PORTIONS OF SOUTHERN
CALIFORNIA AS WELL AS PORTIONS OF SOUTHERN ARIZONA AND UTAH.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 1200 AM PST...A LOW PRESSURE SYSTEM WAS MOVING ACROSS THE
DESERT SOUTHWEST...WITH A 1010 MB...29.83 INCHES...LOW CENTERED
NEAR LAS VEGAS. THIS IS THE LAST IN A SERIES OF INTENSE STORM
SYSTEMS MOVING INTO THE WESTERN U.S. THIS WEEK. NATIONAL WEATHER
SERVICE RADARS AND SURFACE OBSERVATIONS INDICATED WIDESPREAD LIGHT
TO MODERATE...WITH EMBEDDED HEAVY RAIN...ACROSS PORTIONS OF
ARIZONA. ISOLATED THUNDERSTORMS WERE ALSO OCCURRING. AT THE HIGHER
ELEVATIONS...PRECIPITATION WAS FALLING AS SNOW. ELSEWHERE ACROSS
THE INTERMOUNTAIN WEST...SCATTERED RAIN AND SNOW SHOWERS
CONTINUED.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 PM PST FRI DEC
17 THROUGH 1200 AM PST THU DEC 23...
...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
CRESTED BUTTE 34.0
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 76.0
BRIGHTON CREST 75.0
PROVO CANYON 68.0
ALTA - COLLINS 61.0
ALTA UDOT 58.0
PARK CITY JUPITER PEAK 43.0
SOLITUDE POWDERHORN 42.0
SNOWBIRD 38.0
SNOWBASIN MID BOWL 35.0
LEVAN 28.0
SILVERTON 27.0
BIG COTTONWOOD SPRUCES 25.0
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 1200 AM PST THU DEC 23...
...ARIZONA...
BLACK ROCK RAWS 11.59
IRON SPRING 11.14
BLACK ROCK 9.25
CEDAR HILLS 7.04
NIXON FLATS RAWS 6.52
CHLORIDE 3 ESE 6.41
TWEED POINT 5.70
KINGMAN 12 SE 3.86
GRAND CANYON WEST 3.15
...NEVADA...
MOUNT CHARLESTON 13.46
GARDEN SPRING 9.71
LAS VEGAS 24 WNW 8.99
WARD MOUNTAIN SNOTEL 5.80
MOUNTAIN SPRINGS 5.45
RUTH 5.21
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
LAS VEGAS 1.66
...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 STORM TOTAL SNOWFALL IN INCHES WHERE THE EVENT HAS
ENDED...
...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
...SELECTED STORM TOTAL RAINFALL IN INCHES WHERE THE EVENT HAS
ENDED...
...CALIFORNIA...
CRESTLINE 0.2 WSW 26.16
TANBARK 19.22
WISHON DAM 18.89
CAMP NELSON 6SW 18.60
NATURE POINT NEAR BASS LAKE 18.60
WOFFORD HEIGHTS 15.78
DEVORE 15.62
LYTLE CREEK 2 SSE 15.03
WRIGHTWOOD 1.2 WNW 14.24
SANTA BARBARA 1.9 NE 14.23
OAKHURST 7.5 N 13.97
THREE PEAKS 13.74
FAIRVIEW 9NW 13.30
MAMMOTH LAKES 12.82
CAMP NELSON 6NW 12.79
SAN BERNARDINO 5N 12.41
LAKE ARROWHEAD 3 ENE 12.09
YOSEMITE VILLAGE 1NNW 10.83
LOS ANGELES-USC 7.90
SAN FRANCISCO INTL ARPT 3.28
THE LAST OF A SERIES OF MOIST PACIFIC SYSTEMS WILL CONTINUE TO
MOVE ACROSS THE DESERT SOUTHWEST TOWARDS THE SOUTHERN ROCKIES
TONIGHT. ADDITIONAL RAINFALL AMOUNTS THROUGH FRIDAY MORNING WILL
GENERALLY BE LESS THAN AN INCH AT MOST LOCATIONS. AT THE HIGHER
ELEVATIONS...AN ADDITIONAL 2 TO 4 INCHES OF SNOW...WITH LOCALLY
HIGHER AMOUNTS...WILL BE COMMONPLACE THROUGH FRIDAY
MORNING...MAINLY ACROSS THE COLORADO ROCKIES. PRECIPITATION SHOULD
COME TO AND END FROM WEST TO EAST ACROSS THE DESERT SOUTHWEST INTO
THE INTERMOUNTAIN WEST TODAY AS HIGH PRESSURE BUILDS INTO THE
REGION.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 700 AM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
RYAN
Last Updated: 330 AM EST THU DEC 23 2010