STORM SUMMARY NUMBER 04 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
700 AM PST TUE JAN 19 2010
 
...BARRAGE OF PACIFIC SYSTEMS TO MOVE THROUGH THE SOUTHWESTERN
UNITED STATES OVER THE NEXT SEVERAL DAYS...
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 600 AM PST...A LOW PRESSURE CENTER WITH A CENTRAL PRESSURE OF
967 MB...28.55 INCHES...WAS LOCATED WELL OFFSHORE THE PACIFIC
NORTHWEST.  A SECOND SYSTEM MOVING TO ITS SOUTH WILL SWEEP A COLD
FRONT AND OCCLUDED FRONT THROUGH CALIFORNIA INTO NEVADA DURING THE
DAY TODAY BRINGING ANOTHER BATCH OF HEAVY PRECIPITATION. NATIONAL
WEATHER SERVICE DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED
MODERATE AND HEAVY RAINS FALLING ACROSS NORTHERN CALIFORNIA WITH
SNOW REPORTED AT HIGHER ELEVATIONS. LIGHTER RAIN AND HIGHER
ELEVATION SNOW WAS STREAMING EASTWARD THROUGH EASTERN
ARIZONA...WESTERN NEW MEXICO...AND SOUTHERN IDAHO ASSOCIATED WITH
A WEAKENING FRONTAL ZONE.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 700 AM PST MON JAN 19...

...CALIFORNIA...
MAMMOTH LAKES                        12.0                     
ASPENDELL                            11.0                     
SODA SPRINGS 1.5 SSW                  8.0                     
CISCO 5 ENE                           7.0                     
KINGVALE 1.3 WSW                      7.0                     
ALPINE MEADOWS 3 ENE                  6.0                     
BECKWOURTH 5 W                        6.0                     
TAHOE CITY 5 SSW                      5.5                     
WEED 4 SW                             5.0                     

...NEVADA...
INCLINE VILLAGE 1 NE                 10.0                     
MT. CHARLESTON                       10.0                     
DAGGET PASS                           9.0                     
GARDNERVILLE 5 WSW                    4.3                     
CARSON CITY                           3.0                     

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 700 AM PST MON JAN 19...

...ARIZONA...
GILBERT 3.8 NW                        0.82                     

...CALIFORNIA...
OPIDS CAMP                            4.99                     
OLD MAN MOUNTAIN                      4.37                     
WHITE LEDGE PEAK                      4.37                     
MATILIJA DAM                          4.22                     
NORDHOFF RIDGE                        4.01                     
ROSE VALLEY                           3.98                     
W FK HELIPORT                         3.94                     
CHILAO                                3.74                     
NORTH FORK MATILIJA                   3.70                     
MOUNT SHASTA                          3.10            
OXNARD AIRPORT                        2.13                     
BURBANK-GLENDALE-PASADENA ARPT        1.94  
LOS ANGELES                           1.01                   


A SERIES OF PACIFIC STORMS WILL CONTINUE TO APPROACH THE
CALIFORNIA COASTLINE THIS WEEK. THE MAIN SURFACE LOWS WILL TURN
NORTHWARD ALONG THE PACIFIC NORTHWEST COAST WHILE PUSHING THEIR
FRONTS THROUGH CALIFORNIA AND INTO THE GREAT BASIN. BY THE END OF
THE WEEK... WIDESPREAD ADDITIONAL RAINFALL TOTALS OF 4 TO 8 INCHES
ARE EXPECTED ACROSS CALIFORNIA AND INTO ARIZONA...WITH LOCAL
AMOUNTS OF UP TO 15 INCHES ARE POSSIBLE ALONG THE SOUTHERN
CALIFORNIA COASTAL RANGES AND MOGOLLON RIM OF ARIZONA. SNOWFALL
TOTALS WILL BE SEVERAL FEET ALONG THE SIERRA NEVADA MOUNTAINS BUT
ABOUT 6 TO 10 INCHES FARTHER EAST OVER THE HIGHER ELEVATIONS OF
SOUTHERN NEVADA AND UTAH. STRONG AND GUSTY WINDS WILL IMPACT
CALIFORNIA AS THE STORMS MOVE ASHORE.

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.

ROTH