THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 03 FOR WESTERN U.S. HEAVY RAIN AND MOUNTAIN
SNOW
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
700 AM PST SAT JAN 21 2017
...LIGHT TO MODERATE RAIN CONTINUES TO IMPACT LOWER ELEVATIONS OF
CALIFORNIA AND THE SOUTHWEST...WITH SNOW SHOWERS THROUGHOUT THE
INTERMOUNTAIN WEST...
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT ACROSS THE MOUNTAINS OF CALIFORNIA AND SOUTHERN
OREGON...THE CENTRAL GREAT BASIN...MUCH OF THE ROCKIES...AND THE
HIGHER TERRAIN OF THE SOUTHWEST.
FLOOD AND FLASH FLOOD WARNINGS...WATCHES...AND FLOOD ADVISORIES
ARE IN EFFECT ALONG PORTIONS OF COASTAL CALIFORNIA...SOUTHERN
NEVADA...AND NORTHWEST ARIZONA.
HIGH WIND WARNINGS...WATCHES...AND WIND ADVISORIES ARE IN EFFECT
FOR SOUTHERN OREGON AND PORTIONS OF CALIFORNIA...AS WELL AS THE
SOUTHWEST AND WEST TEXAS.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 600 AM PST...A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WAS
CENTERED OFFSHORE OF THE PACIFIC NORTHWEST WITH A STRONG JET
STREAM MAKING ITS WAY INTO CENTRAL AND SOUTHERN CALIFORNIA. A
BROAD SURFACE LOW PRESSURE SYSTEM WITH CENTRAL PRESSURE OF 991
MB...29.26 INCHES...WAS LOCATED IN SOUTHERN UTAH IN CONJUNCTION
WITH A FRONTAL SYSTEM MOVING THROUGH THE SOUTHWEST STATES.
NATIONAL WEATHER SERVICE DOPPLER RADARS AND SURFACE OBSERVATIONS
INDICATED SCATTERED LIGHT TO MODERATE RAIN IMPACTING PARTS OF THE
WEST COAST WITH SNOW FALLING ACROSS THE HIGHER TERRAIN OF THE
SIERRAS IN CALIFORNIA. SCATTERED LIGHT TO MODERATE SNOW SHOWERS
WERE OCCURRING THROUGHOUT PORTIONS OF THE INTERMOUNTAIN
WEST...ROCKIES...AND HIGHER ELEVATIONS OF THE SOUTHWEST...WITH
RAIN SHOWERS IN LOWER ELEVATIONS OF THE SOUTHWEST.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 PM PST THU JAN
19 THROUGH 600 AM PST SAT JAN 21...
...ARIZONA...
WILLIAMS 5 S 23.0
FLAGSTAFF AIRPORT 22.8
ARIZONA SNOWBOWL 1 WNW 21.0
BELLEMONT (FLAGSTAFF NWS) 17.9
PINETOP-LAKESIDE 1.4 NNW 12.2
PARKS 3 NNW 12.0
KACHINA VILLAGE 10.0
MOUNTAINAIRE 9.0
DOWNTOWN FLAGSTAFF 2 WSW 5.5
IRON SPRINGS 3 S 5.0
WASHINGTON PARK 2 S 3.0
...CALIFORNIA...
RUNNING SPRINGS 4 ENE 16.0
MOUNT SHASTA 3 SSE 13.0
IDYLLWILD 1.8 NW 12.4
CARRVILLE 11 SSW 12.0
HOMEWOOD 1 W 11.0
WEED 2 SSW 10.0
SOUTH LAKE TAHOE 5 SW 9.5
MAMMOTH LAKES 2 W 8.0
LAYTONVILLE 10 N 6.0
...COLORADO...
CRESTED BUTTE 7 WNW 12.0
MONARCH PASS 1 NNW 6.0
SKYWAY 3 ENE 5.5
TELLURIDE 3.5
...NEW MEXICO...
CHAMA 7.5
CANON PLAZA 11 NNW 5.0
...NEVADA...
MT CHARLESTON 4 NNW 22.0
ELKO 2 NNE 7.5
...UTAH...
BRIGHTON 13.0
ALTA 11.0
PARK CITY 8.0
LOCKERBY 6 S 6.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 PM PST THU JAN
19 THROUGH 600 AM PST SAT JAN 21...
...ARIZONA...
GLOBE 4 SSE 2.88
SUNFLOWER 2.83
CAMP CREEK 2.52
RACKENSACK CANYON ALERT GAGE 2.32
MIAMI 8.3 WSW 2.17
MUNDS PARK 0.6 ENE 2.04
FOUNTAIN HILLS 2.1 NNW 2.00
CIBECUE 13 SSW 1.88
AUSTIN PEAK ALERT 1.38
BIG SANDY RIVER AT SR93 1.19
...CALIFORNIA...
REDDING 1 WNW 3.58
SCOTTS VALLEY 3.41
FELTON 3.26
SQUAW VALLEY 2.89
CHILKOOT MEADOW 2.68
SANTA BARBARA MUNI ARPT 2.67
SANTA CRUZ 2.54
ESCONDIDO 1.4 ENE 2.30
OROVILLE 2 SE 2.25
RAMONA 2.21
GRAVEYARD MEADOW 2.20
MERCED RIVER BRICEBURG 2.16
ISABELLA DAM 2.04
SAN DIEGO/MONTGOMERY FIELD 1.55
SANTA MONICA MUNI ARPT 1.38
LOS ANGELES INTL ARPT 1.36
SANTA ANA/JOHN WAYNE ARPT 1.25
...NEVADA...
MT. CHARLESTON - LEE CANYON 1.70
TOWN WASH DETENTION BASIN 1.54
...OREGON...
BROOKINGS 1.82
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...ARIZONA...
CLIFTON 9 S 67
MULESHOE RANCH 67
SIERRA VISTA 9 SE 62
FORT HUACHUCA 5 WNW 58
DAVIS MONTHAN AFB 56
RODEO 21 WNW 55
NOGALES INTERNATIONAL AIRPORT 52
...CALIFORNIA...
BIG BEAR CITY 13 ESE 99
BURNS CANYON 99
AGUANGA 7 SSW 93
GRAPEVINE 3 SSE 85
AVALON 2 WNW 79
ACTON 9 SE 76
TWO HARBORS 31 W 75
MOUNT WILSON 8 NNE 68
WOODLAND HILLS 7 SSW 68
CHATSWORTH 4 N 65
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. ADDITIONAL RAINFALL AMOUNTS OF 4 TO 6
INCHES...WITH LOCALLY HIGHER AMOUNTS...ARE FORECAST ACROSS COASTAL
CALIFORNIA WITH UPWARDS OF 3 OR 4 FEET OF SNOW POSSIBLE IN THE
SIERRAS. FLOODING AND FLASH FLOODING WILL BE AN ONGOING
THREAT...ESPECIALLY ACROSS COASTAL CALIFORNIA TODAY AND SOUTHERN
CALIFORNIA TOMORROW. ELSEWHERE ACROSS THE CENTRAL INTERMOUNTAIN
WEST AND THE CENTRAL/SOUTHERN ROCKIES...1 TO 2 FEET OF SNOW WILL
BE POSSIBLE IN THE HIGHER TERRAIN.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 100 PM PST. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.
TATE
Last Updated: 1003 AM EST SAT JAN 21 2017