The Weather Prediction Center

College Park, MD

Storm Summary Message

Storm Summary Number 3 for Heavy Rain and Wind in California
NWS Weather Prediction Center College Park MD
800 PM PDT Mon Oct 25 2021

...The threat of heavy rain, snow, and gusty winds are diminishing
over California as the cold front moves into the Great Basin...

Flash Flood Watches are in effect for portions of central and
southern California into tonight.

Winter Storm Warnings are in effect for the Sierra Nevada.

Flood Advisories are in effect for portions of the Sacramento and
San Joaquin Valleys of California.

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see

At 700 PM PDT...Lingering low pressure with a central pressure of
984 mb, or 29.06 in/Hg, was analyzed offshore Vancouver Island in
British Colombia, at approximately 50.2 north, 127.9 west.
National Weather Service Doppler Radar detected sporadic light to
locally moderate showers over portions of the Pacific Northwest
and Northern California.

...Selected preliminary Peak Wind gusts in miles per hour earlier
in the event...

MAMMOTH MOUNTAIN 2 S                  159                    
MINES TOWER                            92                    
E MOUNT ROSE SUMMIT 0.9 E              90                    
LOMA PRIETA                            88                    
RICHARDSON EAST                        86                    
TORO PEAK                              86                    
SOUTHERN BLACK DIAMOND WAY             77                    
ANGWIN                                 72                    
MT ST HELENA                           70                    
SHIP MOUNTAIN RAWS                     67                    
KNEELAND RAWS                          65                    
SANTA RITA                             62                    
BOLAM                                  61                    
OLD COAST TOWER                        61                    
PEBBLE BEACH                           55                    
SANTA CRUZ 2.4 SW                      50                    
MONTEREY                               45                    
OAKLAND AIRPORT                        45                    

YAQUINA BAY BRIDGE                     82                    
CAPE FALCON 1 SSE                      80                    
SQUAW PEAK                             75                    
CLASTOP SPIT                           74                    
PORT ORFORD 5 SE                       73                    
PORT ORFORD 5.0 SE                     73                    
ONION MOUNTAIN LOOKOUT                 69                    
VALLEY FALLS 9.4 N                     68                    
KLAMATH FALLS KINGSLEY FIELD           54                    

CAPE DISAPPOINTMENT 2 ENE              74                    
TOKE POINT                             64                    
CORRAL CREEK                           51                    
MISSION CREEK                          48                    
IRON MOUNTAIN                          44                    

...Selected preliminary Storm Total Snowfall in inches where the
event has ended...

SODA SPRINGS 1.5 SSW                 28.0                    
TRUCKEE 7 W                          25.0                    
DOLLLAR POINT 1 NW                   20.0                    
TAHOMA .5 S                          10.0                    
OAKLAND                               9.0                    

...Selected preliminary Storm Total Rainfall in inches where the
event has ended...

CAZADERO 1.3 SSE                    14.88                    
STRAWBERRY VALLEY                   13.57                    
SEEDORCHARD                         13.35                    
NEVADA CITY 3.9 E                   13.30                    
BLUE CANYON NYACK AIRPORT           13.15                    
LAGUNITAS-FOREST KNOLLS .2 SSE      12.91                    
GRASS VALLEY                        12.81                    
MEADOW VALLEY 5.6 WSW               12.34                    
SANTA ROSA 5.3 E                    12.00                    
BLUE CANYON                         11.90                    
ARNOLD                              11.60                    
ST. HELENA 1.1 S                    11.49                    
PIONEER 2.7 NNE                     10.78                    
VACAVILLE 2.30 W                    10.33                    
VACANVILLE 2.4 NW                   10.29                    
FOUR TREES NEAR PARADISE             9.92                    
LAKE COUNTY RAWS                     9.91                    
REDWOOD VALLEY 2.9 NNE               7.37                    
SHASTA                               6.49                    
SACRAMENTO MATHER AIRPORT            6.06                    
SUSANVILLE 3.2 SSW                   6.01                    
MANCHESTER 2 SSW                     5.95                    
GRIDLEY 3.3 SE                       5.17                    
REDDING MUNICIPAL AIRPORT            3.29                    

The heavy rain and snow threat is diminishing as the frontal
system moves into the Great Basin and the surface low continues to
weaken. Rain chances are forecast to remain over Northwest
California through Friday, but hazardous precipitation is not

This will be the last Storm Summary issued by the Weather
Prediction Center for this event. Please refer to your local
National Weather service office for additional information.


Last Updated: 1057 PM EDT MON OCT 25 2021