####018007408#### ACUS41 KWBC 250252 SCCNS1 Storm Summary Number 1 for West Coast Winter Storm NWS Weather Prediction Center College Park MD 700 PM PST Fri Feb 24 2023 ...Heavy precipitation and strong winds are impacting central and southern California... Blizzard Warnings are in effect for some mountains areas in California and Utah. Winter Storm Warnings are in effect for portions of California, southern Nevada, and northern Arizona. Winter Weather Advisories are in effect for portions of the Pacific Northwest, California, Nevada, Arizona, and southern Utah. Winter Storm Watches are in effect for portions of the Pacific Northwest and northern California. Flood Watches are in effect for portions of central and southern California. High Wind Warnings are in effect for portions of southern California. Wind Advisories are in effect for portions of southern California, southern Nevada, and western Arizona. For a detailed graphical depiction of the latest watches, warnings and advisories, please see www.weather.gov At 600 PM PST...A winter storm system has been moving south along the West Coast and was analyzed over central and southern California with a minimum central pressure of 1006 mb (29.71 in of Hg). A small occluded front extended southeast from the low pressure center in central California to a triple point. From the triple point a cold front extended to the southwest into the Pacific and a warm front extended to the south and east across southern California. Moisture is streaming onshore ahead of and along the cold front, which is producing particularly heavy precipitation across southern California. Precipitation is falling as rain at low elevations and as mixed precipitation and snow in the mountains. ...Selected preliminary Storm Total Snowfall in inches from 700 AM PST Thu Feb 23 through 600 PM PST Fri Feb 24... ...CALIFORNIA... SODA SPRINGS 3 S 45.1 PINECREST 2 E 43.0 BIG BEAR LAKE 3 E 37.0 ISABELLA HIGHLAND 5 WNW 36.0 SIMS 2 NW 36.0 MOUNT SHASTA 3 SSE 33.0 BEAR VALLEY 32.0 KIRKWOOD MEADOWS 1 S 31.0 TWIN BRIDGES 3 E 30.0 DONNER PEAK 1 WNW 28.0 RUTH 2 WNW 24.0 KINGVALE 19.0 LAKE SPAULDING 2 E 18.0 ...NEVADA... DIAMOND PEAK SKI BASE 7.0 INCLINE VILLAGE 1 NNW 6.5 MT. ROSE SKI BASE 6.0 GARDNERVILLE RANC 3 WSW 5.0 ...Selected preliminary Storm Total Rainfall in inches from 700 AM PST Thu Feb 23 through 600 PM PST Fri Feb 24... ...CALIFORNIA... PASADENA 2.0 SE 3.62 CRESCENT CITY 5.5 NNE 3.49 FELTON 0.2 WSW 2.92 LOS GATOS 5.4 SSW 2.25 SCOTTS VALLEY 1.4 W 2.24 PISMO BEACH 2.3 ENE 2.17 COTTONWOOD 9.1 SW 2.11 SANTA CRUZ 0.5 ENE 1.82 BIG SUR 7.2 NNW 1.69 ...Selected preliminary Peak Wind gusts in miles per hour earlier in the event... ...CALIFORNIA... AGUA DULCE 8 S 87 MAGIC MTN TRUCK TRL 87 SAN GUILLERMO 87 RAYES PEAK 7 ENE 79 TOPATOPA PEAK 6 WNW 78 REFUGIO STATE BEACH 34 S 74 BIG PINES 1 E 73 FORD OBSERVATORY 73 FALLING SPRINGS 7 NNE 66 WOODLAND HILLS 3 SSW 66 ACTON 8 SE 65 SAN FERNANDO 5 NNE 65 SAN LUIS OBISPO 4 NE 64 ...NEVADA... BLUE EAGLE RANCH 9 S 73 SNOWSTORM MOUNTA 28 NNE 60 ...Selected preliminary Storm Total Snowfall in inches where the event has ended... ...OREGON... ROSE LODGE 15.0 TILLAMOOK 2 E 14.6 SUMMIT 1 NW 13.7 SAINT HELENS 2 W 13.0 GRESHAM 12.0 FAIRVIEW 11.5 SILVERTON 6 SE 11.5 GASTON 11.0 PORTLAND AIRPORT 2 S 11.0 ROCKWOOD 2 NNW 11.0 ...WASHINGTON... WASHOUGAL 2 NE 18.0 LARCH MOUNTAIN 5 SSE 17.0 HOODSPORT 3.7 WNW 13.8 CAMAS 1 NW 11.5 AMBOY 1 W 11.3 YACOLT 1 S 11.0 LACAMAS LAKE 3 WSW 10.2 GOVERNMENT ISLAND 2 E 8.8 EVERGREEN 1 ENE 8.5 VANCOUVER MALL 1 SE 8.5 The storm system is forecast to remain stationary over central and southern California through Saturday morning, then gradually move east into the Intermountain West Saturday night and Sunday. Significant mountain snows are likely Friday night into Saturday with major impacts to travel and infrastructure. Downed trees and power lines are possible. Lower snow levels may bring significant snowfall to areas where snow is unusual. Strong winds will lead to blizzard conditions in some mountainous terrain and passes, and blowing dust is possible in desert areas. Heavy rain may lead to flooding of some rivers/streams and flood-prone areas. Strong rip currents and high surf will be hazardous to swimmers and beach goers. Temperatures will be well below normal over much of the region with below freezing readings possible in some areas of Northern California. 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. Dolan $$