THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 17 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 PM PST WED DEC 22 2010
 
...MAJOR HEAVY RAIN AND MOUNTAIN SNOW EVENT BEGINS TO WIND DOWN
ACROSS THE WESTERN U.S. AS THE LAST OF A SERIES OF MOISTURE-LADEN
PACIFIC STORMS MOVES INLAND...    
 
FLOOD AND FLASH FLOOD WATCHES...WARNINGS...AND ADVISORIES CONTINUE
TO BE IN EFFECT ACROSS SOUTHERN CALIFORNIA...WESTERN
ARIZONA...SOUTHERN NEVADA...AND EXTREME SOUTHWESTERN UTAH.
 
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR THE SOUTHERN PART OF THE SIERRA NEVADA...AS WELL
AS THE HIGHER ELEVATIONS OF UTAH...ARIZONA...COLORADO...AND NEW
MEXICO. WINTER WEATHER ADVISORIES ARE IN EFFECT FOR PARTS OF
SOUTHERN WASHINGTON STATE AND NORTH-CENTRAL IDAHO. IN
ADDITION...FREEZING RAIN ADVISORIES HAVE BEEN ISSUED FOR A SMALL
PORTION OF SOUTHERN WASHINGTON AND NORTHERN OREGON.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 600 PM PST...NATIONAL WEATHER SERVICE RADARS AND SURFACE
OBSERVATIONS CONTINUE TO INDICATE AREAS OF LIGHT TO MODERATE
RAIN...LOCALLY HEAVY...MOVING ACROSS PARTS OF SOUTHERN
CALIFORNIA...SOUTHERN NEVADA INTO ARIZONA AND UTAH. SCATTERED
AREAS OF LIGHT RAIN AND SNOW WERE OCCURRING ACROSS THE
INTERMOUNTAIN WEST AS FAR NORTH AS THE EASTERN PART OF WASHINGTON
STATE INTO NORTHERN IDAHO.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 PM PST FRI DEC
17 THROUGH 600 PM 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                     
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                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                     
SILVERTON                            27.0                     
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 600 PM PST WED DEC 22...

...ARIZONA...
IRON SPRING                          11.14                     
BLACK ROCK                            9.25                     
CHLORIDE 3 ESE                        6.41                     
TWEED POINT                           5.70                     
KINGMAN 12 SE                         3.86                     
GRAND CANYON WEST                     3.15                     

...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                     

...NEVADA...
MOUNT CHARLESTON                     13.46                     
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                     


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 OF 1 TO 2 INCHES...WITH
LOCALIZED HIGHER AMOUNTS...CAN BE EXPECTED THROUGH FRIDAY MORNING.
PRECIPITATION SHOULD COME TO AND END FROM WEST TO EAST ACROSS THE
DESERT SOUTHWEST INTO THE INTERMOUNTAIN WEST ON THURSDAY AS A HIGH
PRESSURE RIDGE BUILDS ACROSS THE REGION.

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.

KONG




Last Updated: 1000 PM EST WED DEC 22 2010