####018003957####
ACUS45 KWBC 170247

SCCNS5



Storm Summary Number 5 for West Coast Atmospheric River

NWS Weather Prediction Center College Park MD

700 PM PST Mon Jan 16 2023



...Heavy rain and mountain snow finally winding down over

California and the Great Basin...



Winter Storm Warnings are in effect over the Sierra Nevada,

Transverse Range, and southern Great Basin.



Flood Warnings are in effect for select portions of the Central

Valley and in coastal southern California.



Flood Watches are in effect for coastal portions of central

California.



For a detailed graphical depiction of the latest watches, warnings

and advisories, please see www.weather.gov



At 600 PM PST...Regional radar imagery detected scattered showers

and thunderstorms over portions of central-southern California and

the Great Basin. This activity is occuring along and behind a

north-south oriented occluded frontal system analyzed along the

California-Arziona state line.



...Selected preliminary Storm Total Snowfall in inches from 700 AM

PST Fri Jan 13 through 600 PM PST Mon Jan 16...



...ARIZONA...

KACHINA VILLAGE                      24.5                    

NWS FLAGSTAFF                        23.5                    

WILLIAMS 2 SE                        19.0                    

BRIGHT ANGEL POINT 1 NNW             15.0                    



...CALIFORNIA...

TUOLUMNE 6 WSW                       41.0                    

MAMMOTH MOUNTAIN SKI BA              36.0                    

HETCH HETCHY 10 NE                   34.0                    

SODA SPRINGS                         31.0                    

RUNNING SPRINGS 4 ENE                22.0                    

PALISADES TAHOE SKI BAS              21.0                    



...NEVADA...

MT CHARLESTON 1 ESE                  13.0                    



...Selected preliminary Storm Total Rainfall in inches from 700 AM

PST Fri Jan 13 through 600 PM PST Mon Jan 16...



...ARIZONA...

HACKBERRY                            2.32                    

UPPER LITTLE SYCAMORE WASH           2.10                    



...CALIFORNIA...

HONEYDEW 3.2 SSE                     9.77                    

ANDERSON PEAK                        9.61                    

THREE PEAKS                          9.41                    

LAKE RANCH NORTH                     8.88                    

BOULDER CREEK 4.1 N                  8.27                    

BLACK CONE                           8.20                    

LAS CUMBRES                          8.16                    

BIRCH HILL                           8.06                    

CAZADERO 6.6 WNW                     6.05                    

WOODACRE 0.6 SW                      5.73                    

BLACK BUTTE SADDLE                   4.79                    



...OREGON...

BROOKINGS 4.2 ENE                    6.69                    

GOLD BEACH 11.1 NNE                  5.69                    



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

in the event...



...CALIFORNIA...

LAGUNA LAUNCH                          75                    

PLAOMAR MTN LOOKOUT                    74                    

HIGH GLADE LOOKOUT                     73                    

SCOTIA 4.3 SW                          70                    





The rain and mountain snow with this system is forecast to wind

down through tonight. Additional light to moderate rainfall and

mountain snow is possible over California Wednesday as a system

approaches from the northwest. Otherwise, California will finally

see dry conditions set in as high pressure builds in over the

eastern Pacific.



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.



Asherman/Genz

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