THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 05 FOR WESTERN U.S. HEAVY RAIN AND SNOW EVENT
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 PM PST SUN JAN 08 2017
...VERY HEAVY RAINFALL IS CURRENTLY IMPACTING MUCH OF NORTHERN
CALIFORNIA WITH A SIGNIFICANT ICE STORM UNFOLDING ACROSS SOME OF
THE VALLEYS OF THE PACIFIC NORTHWEST AND GREAT BASIN...
FLOOD AND FLASH FLOOD WARNINGS...WATCHES...AND ADVISORIES ARE IN
EFFECT ACROSS MUCH OF NORTHERN AND CENTRAL CALIFORNIA...SOUTHWEST
OREGON...AND NORTHWEST NEVADA.
AN ICE STORM WARNING IS IN EFFECT FOR NORTHWEST OREGON AND
SOUTHWEST WASHINGTON...AS WELL AS PORTIONS OF EASTERN
OREGON...WESTERN IDAHO...AND SOUTHEAST WASHINGTON.
WINTER STORM WARNINGS...WATCHES...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT ACROSS MUCH OF THE PACIFIC NORTHWEST...AND THE
INTERMOUNTAIN WEST AND NORTHERN AND CENTRAL ROCKIES.
HIGH WIND WARNINGS...WATCHES...AND WIND ADVISORIES ARE IN EFFECT
ACROSS MUCH OF CALIFORNIA...THE PACIFIC NORTHWEST...AND INTO THE
INTERMOUNTAIN WEST AND CENTRAL 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 ALLOWING FOR A CONTINUAL STREAM OF MOISTURE
DIRECTED INTO THE WEST COAST. A COLD FRONT WAS MOVING SLOWLY
EASTWARD TOWARDS THE WEST COAST WITH A WARM FRONT DRAPED FROM
WESTERN OREGON INTO THE GREAT BASIN. NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS SHOWED MODERATE TO HEAVY
AND VERY HEAVY RAIN FALLING ACROSS MUCH OF NORTHERN AND CENTRAL
CALIFORNIA AS WELL AS THE FOOTHILLS OF THE SIERRAS. FARTHER
NORTH...LIGHT TO MODERATE...AND OCCASIONAL HEAVY...FREEZING RAIN
OR RAIN WAS ALSO IMPACTING LOWER ELEVATIONS OF WESTERN OREGON AND
WASHINGTON AND FARTHER EAST INTO THE GREAT BASIN/INTERMOUNTAIN
WEST. LIGHT SNOW WAS REPORTED IN THE HIGHER ELEVATIONS OF THE
REGION AS WELL.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 400 PM PST FRI JAN
06 THROUGH 1200 PM PST SUN JAN 08...
...CALIFORNIA...
MAMMOTH LAKES 4 W 25.0
SIMS 12.0
MOUNT SHASTA 3 SSE 11.0
NORTHSTAR SKI AREA 5 WNW 10.0
SQUAW VALLEY SKI AREA 8.0
SIMS 1 SSW 7.2
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
INDEPENDENCE 0.5
...IDAHO...
HARPER 8.0
EMMETT 6.0
MARSING 6.0
CALDWELL 5.0
FRUITLAND 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...
BEND 2.5 NW 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...
BENGE 4.0
PALOUSE 4.0
SPOKANE 3.5 NNW 1.8
...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
400 PM PST FRI JAN 06 THROUGH 1200 PM PST SUN JAN 08...
...CALIFORNIA...
EAGLE LAKE 2 WNW 1.50
BIG PINE 1 W 0.50
INDEPENDENCE 0.50
WEST BISHOP 5 WSW 0.25
...OREGON...
CRESWELL 1.00
EUGENE 5 WNW 0.75
COTTAGE GROVE 1 SSE 0.50
ROSEBURG 0.25
SUTHERLIN 1 WNW 0.10
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 400 PM PST FRI JAN
06 THROUGH 1200 PM PST SUN JAN 08...
...CALIFORNIA...
VENADO 7 NNW GUERNEVILLE 9.60
PEPPERMINT 8.06
CARMEL VALLEY VILL 17 S 6.45
MINING RIDGE 6.33
DINKEY CREEK 6.17
INVERNESS 5 W 5.97
MT. SAINT HELENA 5.94
BOULDER CREEK 4 WNW 5.24
PACIFICA 1 S 5.23
ANDERSON PEAK 4.99
SANTA ROSA SONOMA CO ARPT 4.39
NAPA RIVER AT DUNAWEAL LANE 4.30
MIDDLE PEAK RAWS 3.50
SACRAMENTO METRO ARPT 2.41
LAKE TAHOE AIRPORT 2.16
MONTEREY AIRPORT 2.08
SAN FRANCISCO DOWNTOWN 1.72
...OREGON...
HARBOR 1 WNW 1.15
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...CALIFORNIA...
SAN FRANCISCO INTL ARPT 53
...WASHINGTON...
NORTH BEND 3 ESE 60
CONTINUAL ONSHORE FLOW AND A SERIES OF PACIFIC FRONTAL SYSTEMS
WILL KEEP PRECIPITATION IN THE FORECAST ACROSS MUCH OF THE WESTERN
U.S. THROUGH AT LEAST THE NEXT THREE DAYS. ADDITIONAL RAINFALL
AMOUNTS OF 4 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS...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 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...NORTHERN CALIFORNIA...OREGON CASCADES...AND THE
INTERMOUNTAIN WEST AND NORTHERN/CENTRAL ROCKIES. ADDITIONAL ICE
ACCUMULATIONS OF UP TO A TENTH OF AN INCH...OR MORE...ARE POSSIBLE
FOR PARTS OF NORTHERN OREGON AND SOUTHERN WASHINGTON...AS WELL AS
THE VALLEYS OF THE INTERMOUNTAIN WEST. IN ADDITION TO THE
PRECIPITATION...GUSTY WINDS ARE EXPECTED FOR COASTAL AREAS ALONG
THE WEST COAST...AS WELL AS IN THE HIGHER TERRAIN OF THE NORTHWEST
STATES. HEAVY RAINFALL...MOUNTAIN SNOW...AND GUSTY WINDS MAY
CONTINUE THROUGH MUCH OF NEXT WEEK AS WELL 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.
SANTORELLI
Last Updated: 411 PM EST SUN JAN 08 2017