Storm Summary Number 12 for California Atmospheric River
NWS Weather Prediction Center College Park MD
700 PM PST Fri Dec 26 2025

...Heavy precipitation forecast to gradually come to an end
tonight... 

Winter Storm Warnings are in effect for the Sierra Nevada and into
the interior higher elevations of northern California.

Flood Watches remain in effect for portions of the California
Coast.

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

At 600 PM PST...Precipitation coverage was gradually decreasing
across California, but National Weather Service Doppler Radar and
surface observations showed some lingering showers with moderate
precipitation intensities. Wind gusts have also decreased to
around 20-30 mph.

...Selected preliminary Storm Total Snowfall in inches from 400 PM
PST Sat Dec 20 through 600 PM PST Fri Dec 26...

...CALIFORNIA...
MONO CITY 1.9 SW                     40.7                    
MAMMOTH MOUNTAIN SKI BASE            38.0                    
HEAVENLY SKI BASE                    28.0                    
PALISADES TAHOE SKI BASE             27.0                    
LEE VINING 5 NNW                     26.4                    
SODA SPRINGS 1 ENE                   24.0                    
DONNER PEAK 1 W                      22.0                    
TAHOMA .5 S                          21.2                    
KIRKWOOD MEADOWS 1 S                 20.0                    
ASPENDELL                            18.0                    
TRUCKEE 5.9 ENE                      14.3                    
KINGVALE                             14.0                    
CISCO 2 NW                           12.0                    
NORTHSTAR SKI BASE                   12.0                    
PINECREST 2 E                        12.0                    
SOUTH LAKE TAHOE 1.4 ESE              5.8                    

...NEVADA...
MOUNT ROSE SKI BASE                  34.0                    
RENO 10.7 S                           9.4                    
NEW WASHOE CITY 6.5 SW                6.5                    

...Selected preliminary Storm Total Rainfall in inches from 400 PM
PST Sat Dec 20 through 600 PM PST Fri Dec 26...

...CALIFORNIA...
HONEYDEW 3.2 SSE                    22.23                    
WHITETHORN 1.7 NNW                  18.41                    
ROSE VALLEY RAWS                    17.64                    
ORTEGA HILL                         17.62                    
NORDHOFF RIDGE                      17.56                    
POTTER VALLEY 8.4 ENE               17.40                    
CHALLENGE-BROWNSVILLE 1.3 WSW       16.51                    
OLD MAN MOUNTAIN                    16.50                    
MATILIJA CANYON                     16.38                    
ETTERSBURG 2.8 N                    15.94                    
PINE MOUNTAIN INN                   15.66                    
CAZADERO 5.6 W                      15.32                    
MIDDLE FK LYTLE CREEK               14.63                    
BENBOW 3.8 SSE                      14.54                    
SAN MARCOS PASS                     14.46                    
JUNCAL DAM                          14.17                    
PARADISE 1.2 W                      13.59                    
CRYSTAL LAKE                        13.23                    
DUTCH FLAT 0.7 S                    13.21                    
LAYTONVILLE 1 SW                    12.90                    
COGSWELL DAM                        12.52                    
GUERNEVILLE 2.0 SSW                 12.25                    
SAN SEVAINE                         11.61                    
REDDING 7.9 NNE                     10.80                    
WRIGHTWOOD FS                       10.78                    
LYTLE CREEK RAWS                    10.63                    
BERNINA DRIVE                       10.13                    
PORTER RANCH RAWS                    9.04                    
MORMON ROCK RAWS                     8.77                    
SUMMIT VALLEY FIRE                   8.66                    
NEWHALL                              8.46                    
WOODLAND HILLS                       8.17                    
MT BALDY                             7.58                    
EUREKA 1.6 SSW                       7.17                    
DEEP CREEK                           7.09                    
CEDAR GLEN                           6.97                    
TOPANGA FS                           6.89                    
VENTURA                              6.57                    
BEAR VALLEY 1.1 S                    6.52                    
MORRIS DAM                           6.10                    
EAGLE ROCK RESERVOIR                 5.97                    
SAN FRANCISCO 3.4 S                  4.81                    
SANTA BARBARA AIRPORT                4.52                    
BEL AIR                              4.41                    
LA DOWNTOWN                          4.05                    
BURBANK                              3.99                    
SHAVER LAKE                          3.69                    
UCLA                                 3.07                    
CATALINA ISLAND RAWS                 2.03                    

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

...CALIFORNIA...
PALISADES TAHOE AT ALPINE MEADOWS     113                    
MATTOLE ROAD                          109                    
MAMMOTH MOUNTAIN 1.7 S                108 MESONET MTH03      
PABLO POINT                           108                    
MAGIC MOUNTAIN TRUCK                   96                    
PINE MOUNTAIN FIRE ROAD                95                    
LONE TREE TOWERS                       93                    
NORTH PEAK ACCESS ROAD                 92                    
HIGH GLADE LOOKOUT                     91                    
OLD COAST TOWER                        91                    
WALKER 4 SSW                           90                    
MINES TOWER                            89                    
OAT MOUNTAIN                           89                    
SCE WEST GRAPEVINE                     89                    
MONO                                   84                    
NORTH RANCH                            82                    
THOUSAND OAKS 4 ENE                    82                    
SANTA CRUZ ISLAND                      81                    
INYO                                   80                    
ROUND VALLEY 2 SSW                     80                    
MILL CREEK                             78                    
DE LA CONCEPCION                       74                    
MAMMOTH LAKES                          70                    
SHIP MOUNTAIN                          70                    
TV TOWERS RD 2                         70                    
BARLEY FLATS RD                        67                    
CAT CANYON ROAD                        64                    
DANGEMOND                              61                    
PURISIMA HILLS                         60                    

...NEVADA...
WASHOE                                 87                    
DOUGLAS                                66                    


Precipitation will continue to taper off tonight, with improving
conditions for the weekend.

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.

Dolan