THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 13 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
100 PM PST THU JAN 21 2010
 
...ONSLAUGHT OF PACIFIC SYSTEMS TO CONTINUE INUNDATING THE WEST
COAST FOR ANOTHER DAY...
 
A WINTER STORM WATCH IS IN EFFECT FOR THROUGH SATURDAY FOR CENTRAL
NEW MEXICO.
 
HIGH WIND WARNINGS AND WATCHES ARE IN EFFECT FOR SOUTHERN ARIZONA
AND PARTS OF NEW MEXICO.
 
FLASH FLOOD WATCHES ARE IN EFFECT FOR THE SOUTHERN CALIFORNIA
COAST...CENTRAL ARIZONA...AND SOUTHERN UTAH. COASTAL FLOOD
WARNINGS ARE IN EFFECT FOR THE CENTRAL AND SOUTHERN CALIFORNIA
COASTS. FLOOD WARNINGS WERE IN EFFECT FOR SOUTHERN CALIFORNIA.
 
WINTER STORM WARNINGS ARE IN EFFECT FOR THE HIGHER ELEVATIONS OF
CALIFORNIA INCLUDING THE SIERRA NEVADA RANGE...AS WELL AS FOR THE
HIGHER ELEVATIONS OF THE FOUR CORNERS STATES. BLIZZARD WARNINGS
ARE IN EFFECT FOR PARTS OF SOUTHEASTERN UTAH AND SOUTHWESTERN
COLORADO....AND FOR SOUTHEASTERN ARIZONA FOR ELEVATIONS ABOVE 7000
FEET. WINTER WEATHER ADVISORIES ARE IN EFFECT FOR PORTIONS OF
NEVADA...NORTHERN CALIFORNIA... UTAH...IDAHO...AND COLORADO.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 1200 PM PST...THE LATEST IN A SERIES OF POWERFUL PACIFIC STORM
SYSTEMS WAS BRINGING MORE RAIN AND HIGHER ELEVATION SNOW TO THE
WESTERN UNITED STATES. ANOTHER COLD FRONT PUSHED THROUGH
CALIFORNIA LATE WEDNESDAY WITH THE NEXT AND FINAL SYSTEM...A 979
MB LOW...LOCATED ABOUT 70 MILES SOUTHWEST OF SAN FRANCISCO.
NATIONAL WEATHER SERVICE DOPPLER RADAR AND SURFACE OBSERVATIONS
INDICATED MODERATE TO HEAVY RAIN AND MOUNTAIN SNOW FALLING ACROSS
CENTRAL AND SOUTHERN CALIFORNIA AND INTO ARIZONA WITH LIGHT TO
MODERATE RAIN AND SNOW ACROSS NORTHERN CALIFORNIA. SCATTERED
HIGHER ELEVATION SNOW WAS ALSO FALLING ACROSS PARTS OF THE
INTERMOUNTAIN WEST.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 1200 PM PST THU JAN 21...

...ARIZONA...
FLAGSTAFF 3.2 NNW                    36.5                     
SUNRISE MOUNTAIN                     29.0                     
HEBER                                21.0                     
CLAY SPRINGS                         20.0                     
CLINTS WELL                          19.0                     
WILLIAMS                             16.5                     

...CALIFORNIA...
CHAGOOPA PLATEAU                     73.6                     
SODA SPRINGS                         63.0                     
SUGAR BOWL                           61.0                     
LWR RELIEF VALLEY                    50.6                     
KIRKWOOD                             48.0                     
SQUAW VALLEY                         47.0                     
SIERRA AT TAHOE                      38.0                     
BLOODS CREEK                         36.0                     

...COLORADO...
ABAJO                                19.0                     
PAGOSA SPRINGS 5 W                   18.0                     
COAL BANK PASS                       14.5                     
RED MTN                              12.3                     
MOLAS PASS                           10.0                     

...NEW MEXICO...
BLUEWATER LAKE 11 WSW                 8.0                     
BONITO LAKE 5 SW                      8.0                     
LUNA                                  8.0                     
MOGOLLON 6 ESE                        6.0                     
RAMAH                                 6.0                     
LOS ALAMOS 5 WNW                      5.0                     

...NEVADA...
BERRY CREEK                          19.0                     
BIG CREEK SUMMIT                     16.0                     
DRAW CREEK                           13.0                     
POLE CREEK R.S.                      13.0                     
ELY                                   8.3                     
WARD MOUNTAIN                         8.0                     
CHARLESTON                            6.0                     

...UTAH...
BRIGHTON CREST                       23.0                     
ALTA                                 17.5                     
BIG COTTONWOOD SPRUCES               14.0                     
SOLITUDE                             14.0                     
SNOWBIRD                             13.5                     
PARK CITY JUPITER PEAK               13.0                     
DEER VALLEY DALY WEST                12.0                     
NEW HARMONY                          10.0                     

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 1200 PM PST THU JAN 21...

...ARIZONA...
PEORIA 4.7 NNW                        5.00                     
GILBERT 3.8 NW                        2.74                     
MAYER 8.5 SSE                         2.50                     
SUN CITY 1.2 NNW                      2.49                     
SCOTTSDALE 5.3 NNW                    2.27                     
CAVE CREEK LANDFILL                   1.73                     
LUKE AFB/PHOENIX                      1.56                     
KINGMAN AIRPORT                       1.28                     
FRAESFIELD MTN                        1.26                     
MESA                                  1.18                     
QUEEN CREEK                           1.14                     
GLENDALE                              1.06                     

...CALIFORNIA...
PETROLIA 7 SE                        12.17                     
BARTLETT SPRINGS                     10.40                     
CLOVERDALE 1 S                       10.30                     
MIRANDA 4 SW                          9.40                     
LYTLE CREEK                           8.66                     
LAKE ARROWHEAD                        7.23                     
NEWHALL                               5.73                     
SAN FRANCISCO INTL ARPT               3.49                     
SAN DIEGO/MONTGOMERY FIELD            3.48                     
SACRAMENTO METRO ARPT                 3.39                     
LOS ANGELES-USC                       3.24                     

...OREGON...
AGNESS 6.4 NE                         3.90                     
PORT ORFORD 5.0 E                     3.52                     
BROOKINGS 4.2 ENE                     2.83                     
BANDON 11.4 S                         2.67                     

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

...ARKANSAS...
FORT HUACHUCA                           69                     
MOUNT LEMON 1 W                         64                     

...CALIFORNIA...
WARD MOUNTAIN                          106 ALONG SIERRA CREST  
LEBEC 2 NE                              84                     
ACTON 13 SE                             80                     
CONCORD 5 WSW                           77                     
SANTA CLARITA 7 SE                      75                     
GORMAN 7 SE                             70                     
CAMP NINE                               69                     

...NEW MEXICO...
ORGAN 2 ESE                             68                     

...OREGON...
CAPE BLANCO                             87                     
FLYNN PRAIRIE                           78                     
SQUAW PEAK                              75                     


PRECIPITATION WILL CONTINUE ACROSS THE SOUTHWESTERN UNITED STATES
AS ANOTHER PACIFIC STORM SYSTEM MOVES INLAND DURING THE DAY
THURSDAY. ADDITIONAL PRECIPITATION TOTALS OF 1 TO 4 INCHES ARE
EXPECTED ACROSS CALIFORNIA...EXTREME SOUTHERN NEVADA...AND INTO
ARIZONA...WITH LOCAL AMOUNTS OF UP TO 7 INCHES POSSIBLE NEAR THE
MOGOLLON RIM OF ARIZONA. SIGNIFICANT FLOODING AND MUDSLIDES HAVE
BEEN REPORTED IN PARTS OF CALIFORNIA DURING THE PAST SEVERAL DAYS
AND THEY WILL CONTINUE TO BE A PROBLEM THROUGH FRIDAY. SEVERAL
FEET OF SNOWFALL HAVE ACCUMULATED IN SOME LOCATIONS OF THE SIERRA
NEVADA MOUNTAINS WITH ANOTHER 10 TO 20 INCHES POSSIBLE THROUGH
TONIGHT. IN NORTHERN ARIZONA...SNOWFALL TOTALS OF 2 TO 5 FEET ARE
POSSIBLE ABOVE 6500 FEET THROUGH SATURDAY. STRONG AND GUSTY WINDS
WILL AGAIN IMPACT CALIFORNIA AND ARIZONA THROUGH FRIDAY.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 700 PM PST. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

SOLTOW




Last Updated: 407 PM EST THU JAN 21 2010