The Weather Prediction Center

College Park, MD

Storm Summary Message

Storm Summary Number 2 for California Atmospheric River
NWS Weather Prediction Center College Park MD
200 PM PDT Wed Mar 15 2023

...Heavy rainfall tapering off over Southern California...

Scattered Flood Advisories and Flood Warnings remain in effect
across portions of the northern Sacramento Valley and far Southern

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

At 100 PM PDT...Radar imagery and surface observations indicate a
few showers still persisting across the Transverse and Peninsular
Ranges of southern California as a cold front continues to advance
east into the Southwest U.S. 

...Selected preliminary Storm Total Snowfall in inches from 700 AM
PDT Mon Mar 13 through 100 PM PDT Wed Mar 15...

PINECREST 2 E                        18.0                    
SODA SPRINGS 3 S                     13.6                    

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

LEXINGTON HILLS 5 ESE                  97                    
LOMA PRIETA                            97                    
MINES TOWER                            93                    
ROAD TO RANCHES                        93                    
LUCAS VALLEY                           90                    
SOUTH BLACK DIAMOND WAY                83                    
MT DIABLO                              78                    
MT. ALISON                             78                    
MAGIC MTN TRUCK TRL                    77                    
SANDBERG                               75                    
SAN FRANCISCO AIRPORT                  74                    
ROSE PEAK                              73                    
LOCKWOOD VALLEY ALERT                  72                    
GRASS MOUNTAIN RAWS                    66                    
TV TOWERS RD 2                         66                    

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

HONEYDEW 3.2 SSE                     9.65                    
SHASTA DAM                           8.12                    
WHITETHORN 1.4 NW                    7.60                    
MINING RIDGE                         6.93                    
SQUAW VALLEY 2.5 W                   6.70                    
THREE PEAKS                          6.66                    
CAZADERO 6.6 WNW                     6.33                    
STIRLING CITY                        5.81                    
ROCKY BUTTE                          5.59                    
GIANT FOREST                         5.58                    
VENADO                               5.10                    
COOSKIE MOUNTAIN                     4.67                    
MAD RIVER 7.4 SE                     4.57                    
SANTA CRUZ 8.8 NW                    4.41                    
BEN LOMOND                           4.39                    
SAN LUIS OBISPO (CAL POLY)           4.38                    
OAK VIEW 0.7 NE                      4.25                    
KYTD RADIO TOWERS                    4.02                    
REDDING 2.8 NNW                      3.39                    
MARIPOSA 3.7 NNW                     3.18                    
LOS ANGELES AIRPORT (LAX)            3.00                    
SANTA MONICA 1.3 NNE                 2.83                    
CAMRILLO                             2.52                    
LAKE ARROWHEAD                       2.52                    
NORTHRIDGE                           2.46                    
CHINO                                2.22                    
HUNTINGTON BEACH                     2.19                    
SAN FRANCISCO INTL AIRPORT           0.72                    

The threat of heavy rainfall with this most recent atmospheric
river event has ended. Lingering showers over southern California
will taper off through tonight.

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: 355 PM EDT WED MAR 15 2023