The Weather Prediction Center
College Park, MD
Storm Summary Message
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
Last Updated: 946 PM EST MON JAN 16 2023