THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 01 FOR WESTERN U.S. HEAVY RAIN AND MOUNTAIN
SNOW
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
700 PM PST FRI JAN 20 2017
...A SERIES OF SYSTEMS WILL BRING HEAVY RAIN AND MOUNTAIN SNOWS TO
CALIFORNIA AND MUCH OF THE SOUTHWEST U.S....
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT ACROSS THE MOUNTAINS OF CALIFORNIA AND SOUTHERN
OREGON...MUCH OF THE CENTRAL GREAT BASIN...THE CENTRAL AND
SOUTHERN ROCKIES...AND THE HIGHER TERRAIN OF THE SOUTHWEST.
FLOOD AND FLASH FLOOD WARNINGS AND WATCHES ARE IN EFFECT ALONG
COASTAL CALIFORNIA AND PARTS OF SOUTHERN CALIFORNIA.
HIGH WIND WARNINGS...WATCHES...AND WIND ADVISORIES ARE IN EFFECT
ACROSS MUCH OF CALIFORNIA...THE CENTRAL GREAT BASIN...THE
SOUTHWEST...THE CENTRAL AND SOUTHERN ROCKIES...AND INTO PARTS OF
THE SOUTHERN HIGH PLAINS.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 600 PM PST...A FRONTAL SYSTEM WAS DRAPED ACROSS THE WESTERN
U.S. FROM OREGON TO SOUTHERN CALIFORNIA. NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED MODERATE TO
HEAVY RAINFALL IMPACTING MUCH OF COASTAL CALIFORNIA AND PARTS OF
THE SOUTHWEST. SNOW WAS ALSO FALLING IN THE MOUNTAINS OF
CALIFORNIA...AND THE HIGHER TERRAIN OF THE CENTRAL GREAT BASIN AND
THE SOUTHWEST.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 PM PST THU JAN
19 THROUGH 600 PM PST FRI DEC 30...
...ARIZONA...
ARIZONA SNOWBOWL 1 WNW 21.0
WILLIAMS 5 S 13.5
PARKS 3 NNW 12.0
KACHINA VILLAGE 10.0
MOUNTAINAIRE 9.0
FLAGSTAFF AIRPORT 7.9
IRON SPRINGS 3 S 5.0
...CALIFORNIA...
RUNNING SPRINGS 4 ENE 16.0
MOUNT SHASTA 3 SSE 13.0
HOMEWOOD 1 W 11.0
WEED 2 SSW 10.0
SOUTH LAKE TAHOE 5 SW 9.5
MAMMOTH LAKES 2 W 8.0
...COLORADO...
CRESTED BUTTE 7 WNW 12.0
MONARCH PASS 1 NNW 6.0
SKYWAY 3 ENE 5.5
TELLURIDE 3.5
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 PM PST THU JAN
19 THROUGH 600 PM PST FRI DEC 30...
...CALIFORNIA...
REDDING 1 WNW 3.58
SANTRA BARBARA MUNI ARPT 2.67
OROVILLE 2 SE 2.25
RAMONA 1.81
MIRMAR NAS/SAN DIEGO 1.62
SAN DIEGO/MONTGOMERY FIELD 1.43
SANTA MONICA MUNI ARPT 1.38
LOS ANGELES INTL ARPT 1.36
SANTA ANA/JOHN WAYNE ARPT 1.23
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CALIFORNIA...
BURNS CANYON 99
AGUANGA 7 SSW 93
GRAPEVINE 3 SSE 85
AVALON 2 WNW 79
ACTON 9 SE 76
TWO HARBORS 31 W 75
BIG BEAR CITY 13 ESE 72
WOODLAND HILLS 7 SSW 68
SAN FERNANDO 5 NNE 64
MARYSVILLE ARPT 58
SANTA BARBARA 5 ENE 58
SACRAMENTO INTL ARPT 52
A SERIES OF UPPER LEVEL SYSTEMS WILL CONTINUE TO IMPACT THE
WESTERN U.S. THROUGH THE WEEKEND WITH HEAVY RAIN...MOUNTAIN
SNOW...AND GUSTY WINDS. EXPECT AS MUCH AS 4 TO 8 INCHES OF RAIN
FOR COASTAL CALIFORNIA WITH FLOODING AND FLASH FLOODING A THREAT.
IN THE MOUNTAINS OF CALIFORNIA...UPWARDS OF 3 OR 4 FEET OF SNOW IS
POSSIBLE WITH LESSER AMOUNTS OF A FOOT OR TWO FARTHER INLAND
ACROSS THE HIGHER TERRAIN OF THE GREAT BASIN...THE CENTRAL
ROCKIES...AND THE SOUTHWEST.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 100 AM PST. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.
SANTORELLI
Last Updated: 1007 PM EST FRI JAN 20 2017