STORM SUMMARY NUMBER 02 FOR SOUTHWESTERN US STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD     
700 PM PST MON DEC 07 2009
 
...POWERFUL STORM SYSTEM ORGANIZING OVER THE SOUTHWEST...
 
BLIZZARD WARNINGS ARE IN EFFECT FOR HIGHER ELEVATIONS OF THE FOUR
CORNERS REGION. BLIZZARD WARNINGS HAVE BEEN ISSUED FOR PORTIONS OF
SOUTHERN MINNESOTA AND NORTHEASTERN IOWA.
 
WINTER STORM WARNINGS ARE IN EFFECT FROM CALIFORNIA EASTWARD INTO
COLORADO AND NEW MEXICO AND CONTINUE NORTHEASTWARD INTO WISCONSIN
AND MICHIGAN. WINTER WEATHER ADVISORIES ARE IN EFFECT FOR PORTIONS
OF NEVADA EASTWARD TO NORTHERN TEXAS AND NORTHEASTWARD INTO
MINNESOTA. WINTER STORM WATCHES HAVE BEEN ISSUED FOR PORTIONS OF
THE LOWER GREAT LAKES AND ALSO THE CENTRAL APPALACHIAN MOUNTAINS.
 
FLASH FLOOD WATCHES ARE IN EFFECT FOR PORTIONS OF ARIZONA. IN
ADDITION... HIGH WIND WATCHES ARE WARNINGS ARE IN EFFECT FOR
PORTIONS OF SOUTHERN CALIFORNIA EASTWARD TO WESTERN TEXAS.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 700 PM PST...A 991 MB... 29.26 INCHES... DEEPENING AREA OF LOW
PRESSURE WAS SLOWLY MOVING EAST THROUGH SOUTHERN NEVADA. A COLD
FRONT WAS PUSHING SOUTHEASTWARD THROUGH SOUTHERN CALIFORNIA WHILE
A STATIONARY BOUNDARY WAS DRAPED THROUGH THE GREAT BASIN INTO THE
COLORADO ROCKIES. NATIONAL WEATHER SERVICE DOPPLER RADARS AND
SURFACE OBSERVATIONS INDICATED LIGHT TO MODERATE RAIN OR SNOW FROM
SOUTHERN CALIFORNIA AND NEVADA EASTWARD INTO ARIZONA. ISOLATED
HEAVIER AREAS OF RAIN OR SNOW WERE ALSO INDICATED.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 PM PST SUN DEC
06 THROUGH 600 PM PST MON DEC 07...

...ARIZONA...
FLAGSTAFF                            11.6                     
WILLIAMS                              8.0                  
BELLEMONT                             7.2                  
GRAND CANYON ARPT                     3.0                  

...CALIFORNIA...
ALPINE MEADOWS                       42.0                     
KIRKWOOD                             40.0                     
CISCO 5 ENE                          35.0                     
KINGVALE 1.3 WSW                     29.0                     
HOMEWOOD 2 SE                        27.0                     
PROSSER CREEK RESERVOIR              24.0                     
FAIR PLAY 2.8 ESE                    17.0                     
PLACERVILLE 2.9 WNW                  13.0                     
SOUTH LAKE TAHOE                     13.0                     
VOLCANO 5.4 NE                       12.5                     
GRASS VALLEY 5.5 ESE                 11.5                     
COLFAX 3.1 SW                        11.0                     
ALTA SIERRA 0.4 WSW                  10.0                     
SUSANVILLE 3.2 SSW                    8.8                     
LAKE OF THE PINES                     8.0                     
NEVADA CITY 5.4 W                     5.2                     
FOLSOM 3.4 ESE                        0.5                     
CARMICHAEL 1.4 W                      0.3                     
SACRAMENTO 8.0 NE                     0.1                     

...NEVADA...
HEAVENLY VALLEY                      24.0                     
MT ROSE SKI AREA                     23.0                     
CARSON CITY 1.3 NW                   18.0                     
DAYTON 1.7 SW                        13.0                     
RENO 7.1 N                           12.0                     
MINDEN 4.2 WSW                       10.5                     
DAYTON 3.5 NNE                       10.0                     
INDIAN HILLS 0.7 N                   10.0                     
SUN VALLEY 0.9 N                      8.5                     
SPARKS 7.5 N                          6.5                     
FALLON 0.8 WSW                        6.3                     
FERNLEY 1.8 WNW                       6.0                     

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 PM PST SUN DEC
06 THROUGH 600 PM PST MON DEC 07...

...CALIFORNIA...
LYTLE CREEK RAWS                      2.77                  
HENSHAW DAM                           2.36                  
JULIAN                                2.36                 
POTRERO                               2.27                  
SANTA YSABEL                          2.17                  
LAKE CUYAMACA                         2.09                  
PATERA RANCH                          2.08                     
SANTA BARBARA MUNI ARPT               1.93                     
SAN DIEGO/BROWN FIELD                 1.79                     

...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...

...CALIFORNIA...
SANDBERG                                51                     
SAN CLEMENTE                            50                     
SAN DIEGO NORTH ISLAND                  47                     


THE STORM SYSTEM WILL CONTINUE TO DEVELOP OVERNIGHT AS IT MOVES
INTO WESTERN COLORADO BY TUESDAY MORNING. SNOWFALL AMOUNTS WILL
RANGE FROM 1 TO 2 FEET ACROSS THE HIGHER ELEVATIONS OF COLORADO
OVERNIGHT. ADDITIONAL RAINFALL IS FORECAST TO AVERAGE ABOUT 1 TO 2
INCHES FROM ARIZONA NORTHEASTWARD INTO COLORADO WITH ISOLATED
HIGHER AMOUNTS. THE PRECIPITATION WILL EXPAND INTO THE PLAINS
THROUGHOUT THE DAY TUESDAY WITH AN INCREASING CHANCE OF HEAVIER
RAIN ALONG THE LOWER MISSISSIPPI VALLEY AND WIND BLOWN SNOW ACROSS
THE UPPER MIDWEST.

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.

FRACASSO