839
ACUS45 KWBC 260228
SCCNS5
STORM SUMMARY NUMBER 10 FOR CALIFORNIA ATMOSPHERIC RIVER
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
700 PM PST THU DEC 25 2025
...HEAVY RAINFALL AND MOUNTAIN SNOW CONTINUE TO CREATE DANGEROUS
CONDITIONS IN CALIFORNIA...
WINTER STORM WARNINGS ARE IN EFFECT FOR THE SIERRA NEVADA AND INTO
THE INTERIOR HIGHER ELEVATIONS OF NORTHERN CALIFORNIA.
WIND ADVISORIES ARE IN EFFECT FOR MUCH OF CALIFORNIA AND NEVADA
AND PORTIONS OF WESTERN UTAH AND ARIZONA.
FLOOD ADVISORIES ARE IN EFFECT FOR PORTIONS OF THE CENTRAL VALLEY
AND SOUTHERN CALIFORNIA COAST.
FLOOD WATCHES REMAIN IN EFFECT FOR MUCH OF CALIFORNIA.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST WATCHES, WARNINGS
AND ADVISORIES, PLEASE SEE WWW.WEATHER.GOV
AT 600 PM PST...NATIONAL WEATHER SERVICE DOPPLER RADAR AND SURFACE
OBSERVATIONS SHOWED A STREAM OF MOISTURE FOCUSING OVER CENTRAL AND
NORTHERN CALIFORNIA, WITH WIDESPREAD SHOWERS FOR THESE REGIONS.
SCATTERED PRECIPITATION WAS ALSO BEING OBSERVED OVER PORTIONS OF
SOUTHERN CALIFORNIA. GUSTY WINDS CONTINUED ACROSS CALIFORNIA,
ESPECIALLY ALONG THE COAST.
...SELECTED PRELIMINARY STORM TOTAL SNOWFALL IN INCHES FROM 400 PM
PST SAT DEC 20 THROUGH 600 PM PST THU DEC 25...
..CALIFORNIA
MONO CITY 1.9 SW 28.3
ASPENDELL 18.0
NORTHSTAR SKI BASE 12.0
TAHOMA 0.5 S 11.5
CARPENTER RIDGE 10.7
BEAR VALLEY 1.1 S 8.7
HEAVENLY SKI BASE 7.0
TRUCKEE 5.9 ENE 6.3
SOUTH LAKE TAHOE 1.4 ESE 5.8
..NEVADA
MT. ROSE SKI BASE 14.0
DIAMON PEAK SNOW BASE 6.0
RENO 17.8 NNW 4.7
...SELECTED PRELIMINARY STORM TOTAL RAINFALL IN INCHES FROM 400 PM
PST SAT DEC 20 THROUGH 600 PM PST THU DEC 25...
..CALIFORNIA
HONEYDEW 3.2 SSE 17.20
WHITETHORN 1.7 NNW 15.63
POTTER VALLEY 8.4 ENE 15.50
CAZADERO 5.6 W 14.50
CHALLENGE-BROWNSVILLE 1.3 WSW 13.93
ETTERSBURG 2.8 N 13.32
MIDDLE FK LYTLE CREEK 12.32
LAYTONVILLE 1 SW 11.94
BENBOW 3.8 SSE 11.91
GRASS VALLEY 5.5 SSE 11.91
PARADISE 1.2 W 11.91
GUERNEVILLE 2.0 SSW 11.47
DUTCH FLAT 0.7 S 11.29
MATILIJA CANYON 10.34
REDDING 7.9 NNE 10.15
MAD RIVER 7.4 SE 9.82
UKIAH 8.4 NW 9.72
MONROVIA 16 N 9.04
LAKE ARROWHEAD 8.57
DINSMORE 2.3 W 8.34
CRESCENT CITY 16.0 ESE 6.96
EUREKA 6.7 S 6.95
SANTA ROSA 2.9 ENE 6.70
SANTA CRUZ 8.8 NW 5.85
SAN FRANCISCO 3.4 S 4.31
LOS ANGELES 2.6 NW 2.86
..NEVADA
RENO 9.0 W 7.66
NEW WASHOE CITY 6.5 SW 7.39
INCLINE VILLAGE-CRYSTAL BAY 1.3 S 6.47
CARSON CITY 5.7 NW 5.64
...SELECTED PRELIMINARY PEAK WIND GUSTS IN MILES PER HOUR EARLIER
IN THE EVENT...
..CALIFORNIA
MATTOLE ROAD 109
PABLO POINT 108
MAGIC MOUNTAIN TRUCK 96
PINE MOUNTAIN FIRE ROAD 95
LONE TREE TOWERS 93
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
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
HEAVY RAINFALL AND GUSTY WINDS WILL CONTINUE ACROSS PORTIONS OF
CALIFORNIA THROUGH FRIDAY, LEADING TO SCATTERED TO NUMEROUS
INSTANCES OF FLASH FLOODING OVER URBAN AREAS, HIGH ELEVATIONS INTO
THE FOOTHILLS, AND BURN SCARS. HEAVY SNOW WILL IMPACT THE HIGHER
ELEVATIONS OF THE SIERRA NEVADA THROUGH FRIDAY, CREATING DANGEROUS
TRAVEL CONDITIONS. PRECIPITATION WILL TAPER OFF FRIDAY NIGHT,
LEADING TO IMPROVING CONDITIONS THIS WEEKEND.
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
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