THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 09 FOR WESTERN U.S. HEAVY RAIN AND SNOW EVENT
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 PM PST MON JAN 09 2017
...SCATTERED RAIN AND SNOW SHOWERS WITH SOME LOCALIZED FREEZING
RAIN ARE OCCURRING THROUGHOUT THE WESTERN U.S....
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT ACROSS PORTIONS OF THE INTERMOUNTAIN WEST...NORTHERN
AND CENTRAL ROCKIES...CALIFORNIA...AND THE PACIFIC NORTHWEST.
FLOOD AND FLASH FLOOD WARNINGS...WATCHES...AND ADVISORIES ARE IN
EFFECT ACROSS MUCH OF CALIFORNIA...SOUTHWEST OREGON...AND SOUTHERN
IDAHO.
ICE STORM WARNINGS ARE IN EFFECT FOR SMALL PORTIONS OF WESTERN
COLORADO.
HIGH WIND WARNINGS...WATCHES...AND WIND ADVISORIES ARE IN EFFECT
ACROSS PORTIONS OF CALIFORNIA...THE SOUTHWEST...AND THE CENTRAL
AND SOUTHERN ROCKIES.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 1200 PM PST...A LARGE UPPER LEVEL SYSTEM OFF THE PACIFIC
NORTHWEST COAST WAS DIRECTING A CONTINUAL STREAM OF MOISTURE INTO
THE WEST COAST. A COLD FRONT WAS MOVING EASTWARD THROUGH THE
WESTERN U.S....CURRENTLY LOCATED IN IDAHO AND THROUGH EASTERN
NEVADA AND SOUTHERN CALIFORNIA. NATIONAL WEATHER SERVICE DOPPLER
RADARS AND SURFACE OBSERVATIONS INDICATED THAT LIGHT TO
MODERATE...OCCASIONALLY HEAVY...RAIN SHOWERS WERE OCCURRING OVER
PORTIONS OF CALIFORNIA AND THE SOUTHWEST. IN PORTIONS OF THE
PACIFIC NORTHWEST AND FARTHER EAST INTO THE INTERMOUNTAIN WEST AND
ROCKIES ...LOWER ELEVATION RAIN AND HIGHER ELEVATION SNOW WAS
FALLING. FREEZING RAIN WAS PRESENT IN LOCALIZED AREAS SUCH AS
WESTERN COLORADO.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 PM PST FRI JAN
06 THROUGH 1200 PM PST MON JAN 09...
...CALIFORNIA...
MAMMOTH LAKES 4 W 25.0
SIMS 12.0
MOUNT SHASTA 3 SSE 11.0
NORTHSTAR SKI AREA 5 WNW 10.0
TRINITY CENTER 0.6 ESE 8.3
SQUAW VALLEY SKI AREA 8.0
SHINGLETOWN 5.3 ENE 7.5
SIMS 1 SSW 7.2
MEADOW VALLEY 5.6 WSW 6.0
WEAVERVILLE 4 E 6.0
WEED 2 SSW 5.0
CARRVILLE 11 SSW 4.0
CLOVERDALE 2 ENE 3.0
YREKA 1 WNW 3.0
...COLORADO...
STEAMBOAT SPRINGS 9 ENE 18.2
MOUNT ZIRKEL 4 SE 14.3
CAMERON PASS 1 NNW 13.0
LOVELAND PASS 1 SSE 10.4
RABBIT EARS PASS 1 NNE 10.4
GUNNISON 1 NNE 10.0
BLUE RIVER 5 SSW 9.1
COPPER MOUNTAIN 1 W 9.1
GUANELLA PASS 5 WSW 9.1
WINTER PARK 5 WSW 9.1
GUNNISON 8.0
ARAPAHOE PEAK 6 W 7.8
CLIMAX 1 NW 7.8
LONGS PEAK 4 NNW 7.8
SPICER 9 SSE 7.8
BERTHOUD PASS 1 NNW 6.5
STEAMBOAT SPRINGS 2 SSE 5.0
...IDAHO...
ATLANTA 6 SW 44.4
KETCHUM 22 NW 36.2
STANLEY 16 NW 32.7
ISLAND PARK 1 W 31.9
FAIRFIELD 10 NNW 28.1
ARCO 50 NW 25.1
PRESTON 20 NE 24.4
HAILEY 11 ENE 23.8
MACKAY 17 SW 22.2
ARCO 33 WNW 19.7
HARPER 8.0
EMMETT 6.0
MARSING 6.0
ROSE LAKE 6 NNW 5.9
AVERY 14 SSW 5.0
CALDWELL 5.0
COEUR D'ALENE 5.0
HOMEDALE 5.0
STAR 5.0
VALE 5.0
BOISE 4.0
EAGLE 4.0
MOUNTAIN HOME 4.0
NAMPA 4.0
...MONTANA...
FINLEY POINT 8 N 6.5
CONDON 1 S 6.0
STEVENSVILLE 4.0
...NEVADA...
INCLINE VILLAGE 1 NNW 5.0
...OREGON...
HOOD RIVER 3 SW 12.0
ROCKFORD 12.0
BEND 2.5 NW 10.0
E MAUPIN 10.0
CAMP SHERMAN 2 SSW 8.5
HARPER 8.0
PRINEVILLE 2.6 ENE 7.3
SISTERS 2.0 WNW 7.0
REDMOND 1.8 WSW 6.4
SELMA 6.0
N MADRAS 5.0
VALE 5.0
EUGENE AIRPORT 4.5
WILDERVILLE 1 SE 4.0
...WASHINGTON...
CLE ELUM 2 E 14.0
HUSUM 10.5
UNDERWOOD 1 E 10.5
TROUT LAKE 10.0
WATERVILLE 7.0
YAKIMA 1 SSW 5.5
DESERT AIRE 2 S 5.0
ELLENSBURG 6 NNE 5.0
CHENEY 4.5
BENGE 4.0
CHELAN 4.0
LEAVENWORTH 3 NW 4.0
LUCERNE 15 S 4.0
MAZAMA 12 WSW 4.0
PALOUSE 4.0
SPOKANE 3 S 4.0
...WYOMING...
DRIGGS 32 NNE 48.0
BONDURANT 10 N 17.0
JACKSON 9.9 NNW 13.0
AFTON 17 E 12.0
COMMISSARY RIDGE 12.0
...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
400 PM PST FRI JAN 06 THROUGH 1200 PM PST MON JAN 09...
...CALIFORNIA...
EAGLE LAKE 2 WNW 1.50
BIG PINE 1 W 0.50
INDEPENDENCE 0.50
WEST BISHOP 5 WSW 0.25
...COLORADO...
GRAND JUNCTION 3 NNW 0.25
REDLANDS 1 ENE 0.20
SKYWAY 3 N 0.10
...OREGON...
CRESWELL 1.00
EUGENE 5 WNW 0.75
FAIRVIEW 0.75
PORTLAND AIRPORT 0.51
COTTAGE GROVE 1 SSE 0.50
GRESHAM 0.50
HAPPY VALLEY 1 NE 0.38
LAKE OSWEGO 0.25
PORTLAND AIRPORT 3 E 0.25
ROSEBURG 0.25
INDEPENDENCE 0.15
SUTHERLIN 1 WNW 0.10
...WASHINGTON...
VANCOUVER 0.50
WAITSBURG 3 NE 0.40
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 PM PST FRI JAN
06 THROUGH 1200 PM PST MON JAN 09...
...CALIFORNIA...
THREE PEAKS 12.59
MINING RIDGE 12.51
BEARTRAP MEADOW 12.16
PEPPERMINT 12.11
VENADO 11.84
CHALK PEAK 10.87
BLACK CONE 10.66
ANDERSON PEAK 10.39
CISCO 1 SE 10.12
LEXINGTON HILLS 3 E 9.80
VENADO 7 NNW GUERNEVILLE 9.60
BOGGS MOUNTAIN RAWS 9.33
DAY VALLEY 6 NE 9.33
STIRLING CITY 8.82
MT. SAINT HELENA 7.99
BOULDER CREEK 6.92
CARMEL VALLEY VILL 17 S 6.45
DINKEY CREEK 6.17
INVERNESS 5 W 5.97
BOULDER CREEK 4 WNW 5.24
PACIFICA 1 S 5.23
SANTA ROSA SONOMA CO ARPT 4.39
NAPA RIVER AT DUNAWEAL LANE 4.30
MIDDLE PEAK RAWS 3.50
MONTEREY AIRPORT 2.73
SACRAMENTO METRO ARPT 2.41
SAN FRANCISCO AIRPORT 2.23
LAKE TAHOE AIRPORT 2.16
...NEVADA...
HEAVENLY VALLEY 1 SE 8.57
DAGGET PASS 6.90
INCLINE VILLAGE 6.25
E GALENA 4.95
DAMONTE RANCH 2 S 3.00
RENO 4 SSW 3.00
...OREGON...
OBRIEN 2 WSW 4.20
LANGLOIS 1 NNE 3.11
GRANTS PASS 4 N 2.47
MURPHY 1 SSE 2.17
HARBOR 1 WNW 1.15
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CALIFORNIA...
BIG BEAR CITY 13 ESE 107
LOS GATOS 3 W 78
LA QUINTA 13 SW 60
...COLORADO...
LOUISVILLE 3 WSW 88
GOLD HILL 2 S 87
ELDORADO SPRINGS 3 N 79
...NEVADA...
CHEYENNE 21 WSW 87
MOUNT ROSE SKI AREA 5 SE 69
INCLINE VILLAGE 4 E 64
...WYOMING...
CHEYENNE 14 WSW 66
ARLINGTON 7 ESE 63
ELK MOUNTAIN 3 NW 61
TIE SIDING 3 SE 61
RAWLINS 60
HANNA 11 SW 59
CENTENNIAL 15 NNE 58
SINCLAIR 2 ESE 58
CONTINUAL ONSHORE FLOW AND A SERIES OF PACIFIC FRONTAL SYSTEMS
WILL KEEP PRECIPITATION IN THE FORECAST ACROSS MUCH OF THE WESTERN
U.S. THROUGH THE NEXT THREE DAYS. ADDITIONAL RAINFALL AMOUNTS OF 4
TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS OF UP TO 12 INCHES...ARE
POSSIBLE FOR COASTAL CALIFORNIA AND THE FOOTHILLS OF THE
SIERRAS...AS WELL AS INTO SOUTHWEST OREGON. WITH ALL THIS HEAVY
RAINFALL...FLOODING AND FLASH FLOODING WILL CONTINUE TO BE A
THREAT. IN THE HIGHER TERRAIN OF THE WESTERN U.S. OVER THE NEXT
THREE DAYS...SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED WITH AS
MUCH AS 3 TO 5 FEET POSSIBLE ACROSS THE HIGHEST TERRAIN OF THE
SIERRAS. SNOWFALL OF OVER 2 FEET IS POSSIBLE FOR THE
CASCADES...NORTHERN CALIFORNIA...THE INTERMOUNTAIN WEST...AND THE
NORTHERN AND CENTRAL ROCKIES. THOUGH THE BULK OF THE FREEZING RAIN
HAS ENDED...ADDITIONAL ICE ACCUMULATIONS OF UP TO A TENTH OF AN
INCH IS POSSIBLE FOR LOCALIZED AREAS TODAY. IN ADDITION TO THE
PRECIPITATION...GUSTY WINDS ARE EXPECTED FOR PORTIONS OF
CALIFORNIA AND MUCH OF THE ROCKIES. HEAVY RAINFALL...MOUNTAIN
SNOW...AND GUSTY WINDS ARE EXPECTED TO CONTINUE THROUGH MUCH OF
THIS WEEK WITH STORM TOTAL RAIN ACCUMULATIONS EXCEEDING 15 INCHES
POSSIBLE.
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: 355 PM EST MON JAN 09 2017