STORM SUMMARY NUMBER 7 FOR WESTERN U.S. HEAVY PRECIPITATION EVENT
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
100 AM PST WED JAN 20 2010
 
...SEEMINGLY ENDLESS SUCCESSION OF PACIFIC SYSTEMS TO CONTINUE
INUNDATING THE WEST COAST FOR A FEW MORE DAYS...
 
HIGH WIND WATCHES AND WARNINGS ARE IN EFFECT FOR PORTIONS OF THE
OREGON COAST AS WELL AS MUCH OF CENTRAL CALIFORNIA INCLUDING
COASTAL AREAS NEAR POINT CONCEPTION.
 
FLASH FLOOD WATCHES AND COASTAL FLOOD ADVISORIES ARE IN EFFECT FOR
COASTAL AREAS OF SOUTHERN CALIFORNIA. FLOOD WATCHES ARE IN EFFECT
FOR AREAS NEAR THE COLORADO RIVER IN NEVADA... CALIFORNIA... AND
ARIZONA.
 
WINTER STORM WARNINGS ARE IN EFFECT FOR THE HIGHER ELEVATIONS OF
CALIFORNIA INCLUDING THE SIERRA MOUNTAIN RANGE... AND ALSO FOR
PORTIONS OF THE FOUR CORNERS STATES. A BLIZZARD WATCH HAS BEEN
ISSUED FOR ELEVATIONS ABOVE 7000 FEET IN SOUTHEASTERN ARIZONA FOR
THURSDAY.
 
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 100 AM PST...A COLD FRONT THAT MOVED INTO CALIFORNIA SPAWNING
SEVERAL WATERSPOUTS AND TORNADOES ON TUESDAY HAS DISSIPATED OVER
THE GREAT BASIN. A NEW SURFACE LOW FORMED OVER ARIZONA AND WAS
MOVING NORTHEASTWARD TOWARD COLORADO. THE NEXT STORM SYSTEM HEADED
TOWARD CALIFORNIA WAS LOCATED SEVERAL HUNDRED MILES WEST OF
EUREKA. NATIONAL WEATHER SERVICE DOPPLER RADARS AND SURFACE
OBSERVATIONS INDICATED A LULL IN PRECIPITATION OVER MUCH OF
CALIFORNIA EXCEPT FOR AROUND SAN FRANCISCO. LIGHT TO MODERATE RAIN
OR HIGHER ELEVATION SNOW WAS OBSERVED OVER EASTERN ARIZONA AND
SOUTHERN UTAH NEAR THE FRONT.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM PST SUN JAN
17 THROUGH 1000 PM PST TUE JAN 19...

...ARIZONA...
SUNRISE MOUNTAIN                     12.0                     
MOUNTAINAIRE                         11.0                     
BELLEMONT                             9.8                     
FLAGSTAFF                             9.4                     
WILLIAMS                              7.0                     

...CALIFORNIA...
KIRKWOOD                             34.0                     
BOREAL                               30.0                     
SODA SPRINGS                         30.0                     
WHITE WOLF                           20.0                     
KINGVALE                             19.0                     
SUGAR BOWL                           19.0                     
MAMMOTH LAKES                        12.0                     
ASPENDELL                            11.0                     
CISCO 5 ENE                           7.0                     
ALPINE MEADOWS 3 ENE                  6.0                     

...NEVADA...
JARBIDGE 9 E                         13.0                     
POLE CREEK R.S.                      13.0                     
GILLMAN SPRINGS 6 WNW                11.0                     
INCLINE VILLAGE 1 NE                 10.0                     
LAMOILLE 9 SE                        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 1000 PM PST TUE JAN 19...

...ARIZONA...
LUKE AFB/PHOENIX                      1.56                     
PHOENIX-DEER VALLEY MUNI ARPT         1.40                     
KINGMAN AIRPORT                       1.28                     
GILBERT 3.8 NW                        0.82                     

...CALIFORNIA...
CRESTLINE 0.2 WSW                     6.70                     
PETROLIA 7.4 SE                       6.24                     
CLOVERDALE 0.8 SSE                    5.70                     
HEALDSBURG 3.7 WNW                    5.34                     
OPIDS CAMP                            4.99                     
OLD MAN MOUNTAIN                      4.96                     
WHITE LEDGE PEAK                      4.69                     
MATILIJA DAM                          4.64                     
ROSE VALLEY                           4.29                     
UKIAH MUNI ARPT                       4.12                     
NORDHOFF RIDGE                        4.01                     
W FK HELIPORT                         4.01                     
CHILAO                                3.74                     
NORTH FORK MATILIJA                   3.70                     
MOUNT SHASTA                          3.65                     
SANTA ANA/JOHN WAYNE ARPT             2.74                     
BURBANK-GLENDALE-PASADENA ARPT        2.72                     
SAN FRANCISCO INTL ARPT               2.26                     
LOS ANGELES-USC                       2.04                     


PRECIPITATION WILL BE ON THE INCREASE LATER TODAY AS ANOTHER
PACIFIC STORM APPROACHES THE CALIFORNIA COAST. BY THE END OF THE
WEEK... WIDESPREAD STORM RAINFALL TOTALS OF 4 TO 8 INCHES ARE
EXPECTED ACROSS CALIFORNIA AND INTO ARIZONA... WITH LOCAL AMOUNTS
OF UP TO 12 INCHES POSSIBLE ALONG THE SOUTHERN CALIFORNIA COASTAL
RANGES AND MOGOLLON RIM OF ARIZONA. SNOWFALL TOTALS WILL ECLIPSE
SEVERAL FEET ALONG THE SIERRA NEVADA MOUNTAINS. 6 TO 12 INCHES OF
SNOW IS FORECAST FARTHER EAST OVER THE HIGHER ELEVATIONS OF
SOUTHERN NEVADA AND UTAH. STRONG AND GUSTY WINDS WILL AGAIN IMPACT
CALIFORNIA AND COASTAL OREGON AS THE STORM SYSTEMS MOVE ASHORE.

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.

FRACASSO