Storm Summary Number 6 for West Coast Atmospheric River and Wind
Event
NWS Weather Prediction Center College Park MD
700 PM PST Fri Nov 22 2024

...Heavy rainfall, gusty winds, and mountain snows associated with
a major atmospheric river continue... 

Winter Storm Warnings are in effect for parts of the Sierra Nevada
in California.

High Wind Warnings are in effect across portions of Washington and
Oregon. Wind Advisories are in effect for portions of Washington,
Oregon, and California.

Flood Warnings, Advisories, and Watches are in effect for portions
of northern California and southwest Oregon.

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

At 600 PM PST...A 981 mb surface low was analyzed offshore of
Washington. A frontal system associated with the low was draped
from north to south across interior Washington, Oregon, and
northern California. National Weather Service radar and surface
observations show areas of moderate to heavy rain falling over
portions of Washington, Oregon, and especially northern
California. Heavy mountain snow was falling in the higher
elevations of the Sierras in northern California. Winds remain
gusty in spots with speeds of 20 to 30 mph.

...Selected preliminary Storm Total Snowfall in inches from 600 AM
PST Tue Nov 19 through 600 PM PST Fri Nov 22...

...CALIFORNIA...
SODA SPRINGS 2 NE                    20.0                    
DONNER PEAK                          16.0                    
WEAVERVILLE 10 NE                    13.0                    
LASSEN NATIONAL PARK 3 SE            10.8                    

...IDAHO...
GALANE BLAINE                        20.0                    
KETCHUM BLAINE                       10.0                    
DEADWOOD RESERVO                      9.5                    

...OREGON...
SISKIYOU SUMMIT 2 WNW                 7.0                    

...WASHINGTON...
TWISP                                18.1                    
MAZAMA 2 S                           16.2                    

...Selected preliminary Storm Total Rainfall in inches from 600 AM
PST Tue Nov 19 through 600 PM PST Fri Nov 22...

...CALIFORNIA...
HONEYDEW 2 SSE                      22.25                    
VENADO                              22.16                    
CAZADERO 6.6 WNW                    21.39                    
AUSTIN CREEK                        18.03                    
BRANSCOMB 6.2 N                     17.08                    
CALISTOGA 2.5 W                     15.84                    
PARADISE 2 SW                       15.50                    
BENBOX 3.8 SSE                      15.09                    
YOUNTVILLE 3.3 SW                   14.96                    
MAD RIVER 7 SE                      14.80                    
COOKSIE MOUNTAIN                    14.03                    
SANTA ROSA                          13.58                    
SODA CREEK                          12.42                    
EEL RIVER CAMP                      11.14                    
KENTFIELD                           11.10                    
MANCHESTER                          10.76                    
MOUNT SHASTA                        10.62                    
BROOKTRAILS                          9.56                    
SIMS                                 8.21                    
FORESTVILLIE 1.4 SW                  8.13                    
FORT DICK                            7.95                    
WHISKEYTOWN                          7.21                    
REDDING 7.9 NNE                      6.57                    
ALDER SPRINGS                        5.98                    
STONYFORD                            5.72                    
POINT AREA 4.8 ESE                   5.21                    
DE SABLA                             4.68                    
SOMES BAR                            3.68                    

...OREGON...
ILLINOIS VALLEY AIRPORT              7.21                    
QUAIL PRAIRIE LOOKOUT                4.43                    
ILLINOIS VALLEY                      4.26                    
MERLIN                               3.79                    
BROOKINGS 4.2 ENE                    3.27                    
CEDAR                                3.24                    
O'BRIEN 2 SW                         3.24                    
SOUTH FORK                           2.71                    
JOSEPHINE                            2.42                    
CANNIBAL MOUNTAIN                    2.28                    
YREKA 1 WNW                          1.89                    

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

...CALIFORNIA...
PALISADES TAHOE                       128                    
MATTOLE ROAD                           98                    
MOUNT ROSE SUMMIT 0.9 E                86                    
VAN BREMMER                            82                    
INDIAN WELL                            80                    
GAZELLE                                79                    
WEST PROSPECT LOOKOUT                  74                    
WEST WEED                              74                    
BOLMUS                                 70                    
EAST LAKE SHASTINA                     68                    
WEED AIRPORT                           67                    

...NEVADA...
NEW WASHOE CITY  3 SW                  76                    

...OREGON...
ACORN WOMAN PEAK                       89                    
LONG PRAIRIE                           82                    
FLYNN PRAIRIE                          80                    
YAQUINA                                73                    
FLORENCE                               67                    
CROWN POINT                            63                    
SUGARLOAF                              61                    

...WASHINGTON...
MOUNT RAINIER                          77                    
CRYSTAL MOUNTAIN                       74                    
W CAPE ELIZABETH                       72                    
KOSMOS                                 71                    
CAMANO ISLAND                          63                    
SEATAC AIRPORT                         59                    
SEATTLE                                35                    


Moderate to heavy rainfall remains a concern across portions of
northern California and southwest Oregon through Saturday, but the
flooding threat will continue to diminish through tonight. Event
total rainfall may locally approach 25 inches in spots. In
addition to the heavy rainfall, heavy mountain snow is ramping up
again across the central and northern Sierra Nevada tonight and
will continue into Saturday. Additional accumulations on the order
of 1 to 2 feet are expected, particularly in elevations above 7000
feet. Winds will gradually subside through Saturday, but will
likely remain gusty in coastal areas and may lead to a few
additional downed trees, power lines, and power outages.

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

Miller