THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 02 FOR WESTERN U.S. WINTER STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
100 PM PST SUN DEC 13 2015
...HEAVY RAIN AND SNOW IMPACTING PORTIONS OF THE NORTHWEST...
WINTER STORM WATCHES...WARNINGS...AND WINTER WEATHER ADVISORIES
ARE IN EFFECT FOR A LARGE PORTION OF THE WESTERN U.S.
WIND ADVISORIES ARE IN EFFECT FOR PORTIONS OF THE GREAT
BASIN...CENTRAL ROCKIES...AND THE SOUTHWEST.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 1200 PM PST...A PLUME OF MOISTURE WAS STREAMING INTO THE
PACIFIC NORTHWEST AS A COLD FRONT PROGRESSED ACROSS THE
INTERMOUNTAIN WEST AND NORTHERN CALIFORNIA. NATIONAL WEATHER
SERVICE RADARS AND SURFACE OBSERVATIONS SHOWED LIGHT TO MODERATE
AND OCCASIONALLY HEAVY RAINFALL IMPACTING MUCH OF WESTERN
WASHINGTON...AND NORTHWEST OREGON. AHEAD OF THE FRONT...LIGHT TO
MODERATE SNOW WAS OBSERVED IN HIGHER ELEVATIONS OF OF THE NORTHERN
INTERMOUNTAIN WEST AND GREAT BASIN. MODERATE TO HEAVY RAINFALL WAS
ALSO FALLING ALONG THE FRONT IN NORTH-CENTRAL CALIFORNIA.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 600 AM PST SAT DEC
12 THROUGH 1200 PM PST SUN DEC 13...
...CALIFORNIA...
FOREST GLEN 7 WNW 11.0
KINGVALE 4.0
ADIN 1 S 3.0
...IDAHO...
MCCALL 12.0
BRUNDAGE SKI AREA 11.0
YELLOW PINE 10.0
BELLEVUE 1 SSE 7.0
BOGUS BASIN SKI AREA 6.0
TAMARACK 6.0
...MONTANA...
WHITEFISH 4 NNW 10.0
EAST PORTAL 5 NW 8.0
LOST TRAIL PASS 8.0
ESSEX 6.0
HAPPYS INN 5.0
...OREGON...
DIAMOND LAKE 31.0
SUNRIVER 15 NW 20.0
LA PINE 5 NNW 16.0
MITCHELL 13 SW 12.0
GREENHORN 5 SE 10.0
APPLEGATE 3 NE 8.0
KLAMATH FALLS 2 N 8.0
FLORA 1.0 SE 7.0
SUNRIVER 10 S 6.0
BUTTE FALLS 4.5 NNW 4.0
PROSPECT 7 SW 4.0
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 600 AM PST SAT DEC
12 THROUGH 1200 PM PST SUN DEC 13...
...CALIFORNIA...
CRESCENT CITY 7.8 NNE 6.93
FORT DICK 0.2 SSW 6.20
SMITH RIVER 1.1 SSE 5.41
CRESCENT CITY/MC NAMARA FIELD 5.20
TRINIDAD 1.0 ENE 4.24
ARCATA AIRPORT 3.25
MCKINLEYVILLE 2.3 NE 3.19
PETROLIA 7.4 SE 2.31
EUREKA 1.2 E 2.05
YREKA 1 WNW 1.54
...OREGON...
BROOKINGS 4.2 ENE 8.16
HARBOR 1NNW 6.25
O'BRIEN 2 SW 4.60
GOLD BEACH 4.47
SUNNY VALLEY 4 SSW 4.14
WILDERVILLE 2.4 WSW 4.09
GRANTS PASS 9.5 W 3.90
BANDON 11.4 S 3.46
SEXTON SUMMIT 3.01
ROSEBURG MUNI ARPT 2.68
LANGLOIS 1 NNE 2.67
MEDFORD-JACKSON CO. ARPT 2.54
NORTH BEND MUNI ARPT 2.42
...WASHINGTON...
HOODSPORT 3.7 WNW 2.39
QUINAULT 2.2 NE 2.05
BRINNON 1.7 WSW 1.94
OLYMPIA 7.3 WSW 1.58
SHELTON/SANDERSON FIELD ARPT 1.38
PORT ANGELES 9.3 SSW 1.18
QUILLAYUTE 1.15
OLYMPIA AIRPORT 1.09
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...MONTANA...
LIVINGSTON 2 WSW 61
...OREGON...
TILLAMOOK 4 W 69
FLORENCE 1 NW 66
...WASHINGTON...
ASTORIA 13 NW 65
THE SURFACE FRONT WILL PUSH THROUGH THE INTERMOUNTAIN WEST AS
PRECIPITATION OVERSPREADS MUCH OF THE REGION THIS EVENING. STRONG
ONSHORE FLOW WILL CONTINUE THIS EVENING ALLOWING FOR HEAVY
RAINFALL TO CONTINUE ALONG MUCH OF THE WEST COAST. ADDITIONAL
RAINFALL TOTALS UP TO AN INCH...WITH LOCALLY HIGHER AMOUNTS...MAY
STILL BE POSSIBLE BUT SHOULD TAPER OFF MONDAY AS THE STORM MOVES
INLAND AND THE ONSHORE FLOW WEAKENS. A DEEP UPPER LEVEL TROUGH
WILL OVERSPREAD THE WESTERN U.S. BEHIND THE SURFACE COLD FRONT
LEADING TO LOWERING SNOW LEVELS. HEAVY SNOW WILL CONTINUE TO
IMPACT THE HIGHER ELEVATIONS OF THE CASCADES AND SIERRA NEVADA
RANGES TONIGHT WITH TOTALS OF 1 TO 2 FEET EXPECTED. SNOW WILL
SPREAD ACROSS THE GREAT BASIN AND NORTHERN ROCKIES THROUGH
MONDAY...AND TO THE CENTRAL ROCKIES AND NORTHERN PLAINS MONDAY AND
TUESDAY. SNOWFALL OF OVER ONE OR TWO FEET IS LIKELY ACROSS THE
HIGHER ELEVATIONS OF THE NORTHERN/CENTRAL ROCKIES AND GREAT BASIN
WITH LIGHTER AMOUNTS IN THE VALLEYS.
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: 404 PM EST SUN DEC 13 2015