The Weather Prediction Center

College Park, MD


Storm Summary Message



Storm Summary Number 02 for California Atmospheric River
NWS Weather Prediction Center College Park MD
700 AM PST Mon Feb 05 2024

...Strong atmospheric river producing life threatening heavy rain,
flash flooding, mountain snow, and high winds across California...

Several Flash Flood Warnings are in effect across portions of
Southern California.

Flood Watches are in effect across much of Central and Southern
California.

Winter Storm Warnings are in effect atop the California Cascades
and Sierra Nevada.

High Wind Warnings are in effect across much of Central and
Southern California.

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see www.weather.gov

At 600 AM PST...Radar and surface observations observed a
stationary band of heavy rainfall streaming into Southern
California along a slowly moving cold front. Gusty winds were also
noted across much of California.

...Selected preliminary Storm Total Snowfall in inches from 700 AM
PST Sun Feb 04 through 600 AM PST Mon Feb 05...

...CALIFORNIA...
HOBERGS                              10.0                    

...Selected preliminary Storm Total Rainfall in inches from 700 AM
PST Sun Feb 04 through 600 AM PST Mon Feb 05...

...CALIFORNIA...
SEPULVEDA CANYON                     9.95                    
BELL AIR HOTEL                       9.81                    
EL DESEO RANCH                       8.62                    
MATILIJA CANYON                      8.26                    
MIDDLE FORK LYTLE CREEK              8.17                    
CAMP HI HILL                         6.81                    
PINYON PEAK                          6.46                    
LOS ANGELES/USC DOWNTOWN             5.96                    
OLD MAN MOUNTAIN                     5.67                    
RANCHO SAN JULIAN                    4.53                    
SANTA BARBARA FCD                    3.81                    
LAKE KITTIRIDGE                      3.16                    

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

...CALIFORNIA...
LAGUNITAS FOREST                      102                    
SANTA CLARA                            98                    
INVERNESS                              89                    
SPRING VALLEY                          65                    
OAKLAND INTERNATIONAL                  60                    
SAN FRANCISCO INTERNATIONAL            58                    
SAGUS                                  50                    
SAN LUIS                               50                    
CATALINA AIRPORT                       49                    
MORMON ROCK                            46                    
OAKLAND NORTH                          46                    
SACRAMENTO AIRPORT                     46                    
MALIBU HILLS                           40                    
SANRA YNEZ                             37                    
WATSONVILLE                            35                    
PEPPERDINE                             33                    
SANTA BARBARA                          23                    


Heavy rain will continue today for much of California, with
additional rainfall amounts of 1-3" (locally 5-8") forecast in
parts of Southern California which will likely maintain locally
catastrophic flash and urban flooding impacts across Los Angeles.
In the mountains, heavy wet snow will continue across the Sierra
Nevada and near Mt. Shasta through tonight. 2-3"/hour snowfall
rates combined with wind gusts will lead to whiteout conditions
and near impossible travel above 5000 feet.

The next Storm Summary will be issued by the Weather Prediction
Center at 700 PM PST. Please refer to your local National Weather
Service office for additional information on this event.

Asherman




Last Updated: 1002 AM EST MON FEB 05 2024