THE WEATHER PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 04 FOR WESTERN U.S. HEAVY RAIN AND MOUNTAIN
SNOW
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 PM PST SAT JAN 21 2017

...LIGHT TO MODERATE RAIN SHOWERS CONTINUE 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...MUCH OF THE CENTRAL GREAT BASIN...PORTIONS OF THE
ROCKIES...AND THE HIGHER TERRAIN OF THE SOUTHWEST.

FLOOD WARNINGS...WATCHES...AND ADVISORIES...AS WELL AS FLASH FLOOD
WATCHES...ARE IN EFFECT ALONG PORTIONS OF COASTAL
CALIFORNIA...SOUTHERN NEVADA...AND CENTRAL ARIZONA.

HIGH WIND WARNINGS...WATCHES...AND WIND ADVISORIES ARE IN EFFECT
FOR SOUTHERN OREGON AND MUCH 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 1200 PM PST...A DEEP UPPER LEVEL TROUGH WAS PRESENT ACROSS THE
WESTERN U.S. WITH A STRONG JET STREAM MAKING ITS WAY INTO CENTRAL
AND SOUTHERN CALIFORNIA. NATIONAL WEATHER SERVICE DOPPLER RADARS
AND SURFACE OBSERVATIONS INDICATED SCATTERED LIGHT TO MODERATE
RAIN SHOWERS 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 1200 PM 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...
RUTH 2 WNW                           30.0                    
TWIN BRIDGES 4 ESE                   24.0                    
HOMEWOOD                             23.0                    
SQUAW VALLEY                         19.0                    
RUNNING SPRINGS 4 ENE                16.0                    
MAMMOTH LAKES 5 W                    15.0                    
SOUTH LAKE TAHOE 5 SW                14.0                    
MOUNT SHASTA 3 SSE                   13.0                    
IDYLLWILD 1.8 NW                     12.4                    
CARRVILLE 11 SSW                     12.0                    
FISH CAMP                            12.0                    
WEED 2 SSW                           10.0                    
LAYTONVILLE 10 N                      6.0                    

...COLORADO...
COAL BANK PASS                       19.0                    
YELLOW JACKET 1 NW                   16.0                    
WOLF CREEK PASS 1 SE                 15.0                    
CRESTED BUTTE 7 WNW                  12.0                    
MOLAS PASS                           12.0                    
MONARCH PASS 1 NNW                    6.0                    
SKYWAY 3 ENE                          5.5                    
TELLURIDE                             3.5                    

...NEW MEXICO...
BONITO LAKE 6 WSW                    14.0                    
TOADLENA 5 SSW                       14.0                    
SANDIA PARK 4 NW                     12.0                    
CHAMA                                 7.5                    
CANON PLAZA 11 NNW                    5.0                    

...NEVADA...
MOUNT ROSE SKI AREA                  22.0                    
MT CHARLESTON 4 NNW                  22.0                    
HEAVENLY VALLEY                      18.0                    
INCLINE VILLAGE 3 E                  15.0                    
ELKO 2 NNE                            7.5                    

...UTAH...
BRIGHTON                             13.0                    
MONTICELLO 1 WSW                     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 1200 PM 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                    
PALOMAR MTN (PORTABLE)                93                    
GRAPEVINE 3 SSE                       85                    
AVALON 2 WNW                          79                    
ACTON 9 SE                            76                    
CAMPO                                 76                    
OTAY MOUNTAIN                         75                    
TWO HARBORS 31 W                      75                    
BOUCHER HILL                          73                    
VOLCAN MOUNTAIN                       72                    
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 LOW PRESSURE SYSTEMS WILL CONTINUE TO IMPACT THE
WESTERN U.S. THROUGH EARLY NEXT WEEK WITH HEAVY RAIN...MOUNTAIN
SNOW...AND GUSTY WINDS. ADDITIONAL RAINFALL AMOUNTS OF 4 TO 8
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 TONIGHT
AND SOUTHERN CALIFORNIA TOMORROW. ELSEWHERE ACROSS THE CENTRAL
INTERMOUNTAIN WEST AND THE CENTRAL/SOUTHERN ROCKIES...AN
ADDITIONAL 12 TO 18 INCHES OF SNOW WILL BE POSSIBLE IN THE HIGHER
TERRAIN.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 700 PM PST. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.

TATE




Last Updated: 359 PM EST SAT JAN 21 2017