THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 04 FOR NORTHWESTERN STATES TO ROCKIES WINTER
STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
200 AM MST SAT NOV 15 2014
...WINTRY PRECIPITATION MOVING ACROSS PORTIONS OF THE
INTERMOUNTAIN WEST AND THE PLAINS...
WINTER WEATHER ADVISORIES ARE IN EFFECT ACROSS MUCH OF THE
INTERMOUNTAIN WEST AND INTO THE NORTHERN AND CENTRAL
PLAINS...ALONG WITH THE MIDDLE MISSISSIPPI VALLEY. WINTER STORM
WARNINGS ARE IN EFFECT FOR THE HIGHER ELEVATIONS OF NORTHWESTERN
WYOMING AS WELL AS THE HIGHER ELEVATIONS OF COLORADO...EASTERN
UTAH...AND NORTHERN NEW MEXICO.
WIND CHILL ADVISORIES ARE IN EFFECT FOR PORTIONS OF MONTANA.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 100 AM MST...AN ARCTIC AIR MASS HAS SETTLED ACROSS THE PACIFIC
NORTHWEST AND THE NORTHERN ROCKIES. AN ARCTIC FRONTAL BOUNDARY AT
THE SURFACE EXTENDED FROM SOUTHERN OREGON EASTWARD INTO THE
NORTHERN INTERMOUNTAIN STATES AND SOUTHWARD ALONG THE EASTERN
SLOPES OF THE COLORADO AND NEW MEXICO ROCKIES. MEANWHILE...HIGHER
LEVEL WESTERLY WINDS ARE TRANSPORTING MOISTURE FROM THE PACIFIC
ACROSS THE ARCTIC SURFACE FRONT...CAUSING PRECIPITATION TO DEVELOP
AS THE MOISTURE CROSSES THE SURFACE FRONT AND INTERACTS WITH AN
UPPER-LEVEL DISTURBANCE CROSSING THE INTERMOUNTAIN STATES.
NATIONAL WEATHER SERVICE RADARS AND SURFACE OBSERVATIONS INDICATED
THAT LIGHT TO MODERATE SNOW CONTINUED MOVING EASTWARD ACROSS PARTS
THE INTERMOUNTAIN STATES AND WAS FALLING ACROSS MOST OF SOUTH
DAKOTA AND NORTHERN NEBRASKA. SNOW WAS ALSO FALLING ACROSS
PORTIONS OF THE COLORADO ROCKIES.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM MST THU NOV
13 THROUGH 100 AM MST FRI NOV 14...
...COLORADO...
COAL BANK PASS 21.0
DUNTON 4 E 18.0
LA PLATA 7 WNW 16.5
MOLAS PASS 2 NE 16.5
MONARCH PASS 1 NNW 14.5
ELK PARK 9 ENE 13.5
OURAY 4 SSE 13.5
RIO GRANDE 14 SSW 13.5
WOLF CREEK PASS 1 SSE 13.0
LA JUNTA 1 NE 12.0
RED MOUNTAIN PASS 4 SSW 12.0
COLORADO SPRINGS 6 SW 11.0
CRESTED BUTTE 6.2 N 11.0
VALLECITO 9 NE 9.0
SILVERTON 6 NNW 8.0
KEYSTONE 0.7 SW 5.8
LEADVILLE 2 NE 5.7
...IDAHO...
KETCHUM 22 NW 25.7
STANLEY 16 NW 17.3
BURLEY 18 SE 15.0
LOWMAN 1 NNE 14.0
MACKAY 37 NE 13.9
S VICTOR 12.0
CHALLIS 27 NNE 11.2
BOISE 17 NE 10.5
PINE 1 N 10.5
BLACKFOOT 32 E 10.4
CLAYTON 3 W 10.0
MONTPELIER 11 NE 9.2
GARDEN CITY 2 NW 9.0
IDAHO CITY 15 W 9.0
MERIDIAN 2 NW 9.0
POCATELLO 7 S 8.7
OROGRANDE 11 SSE 7.5
SALMON 1 NNW 5.5
ARCO 33 WNW 5.4
GRANGEVILLE 3.0
CANFIELD 5 E 1.0
...MONTANA...
BIG SKY 22 S 10.0
WEST YELLOWSTONE 4 SW 7.8
ISLAND PARK 25 WNW 6.0
HAMILTON 1 S 2.5
SULA 5 ENE 2.5
...NEVADA...
CORRAL CANYON SNOTEL 7.0
SEVENTYSIX CREEK SNOTEL 7.0
FRY CANYON 6.0
BIG CREEK SUMMIT SNOTEL 5.0
...OREGON...
PRINEVILLE 15.0
WHITE SALMON 4 ENE 15.0
MAUPIN 12.0
BLACK BUTTE RANCH 1 S 10.0
CANYON CITY 12 SSW 10.0
SENECA 9 NNW 10.0
SISTERS 2 NNE 9.4
GRANITE 6 ESE 8.0
ODELL 8 SSW 8.0
SE COVE 8.0
TERREBONNE 9 NW 8.0
BEND 7.0
HOOD RIVER 7.0
LA GRANDE 1 S 7.0
MADRAS 7.0
...SOUTH DAKOTA...
DOWNTOWN RAPID CITY 4 S 3.0
...UTAH...
GARDEN CITY 11 W 9.1
LA SAL SNOTEL 9.0
...WYOMING...
MOOSE .4 S 11.0
AFTON 16 S 10.0
THAYNE 4.7 NNE 8.5
JACKSON 12.3 NE 7.0
...SELECTED STORM TOTAL FREEZING RAIN ICE AMOUNTS IN INCHES FROM
700 AM MST THU NOV 13 THROUGH 100 AM MST FRI NOV 14...
...OREGON...
BALD MOUNTAIN 2.00
EUGENE 5 S 0.50
DALLAS 0.40
SUMMIT 1 NW 0.40
BLODGETT 0.38
GRESHAM 0.25
...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...
...WYOMING...
ARLINGTON 5 NW 54
AN ARCTIC HIGH PRESSURE SYSTEM CURRENTLY IN WESTERN CANADA IS
FORECAST TO BUILD SOUTHWARD AND WILL PUSH THE ARCTIC FRONT
SOUTHWARD ACROSS THE WESTERN AND SOUTHERN U.S. OVER THE NEXT FEW
DAYS. WINTRY PRECIPITATION BEHIND THE COLD FRONT IS EXPECTED TO
SPREAD TO THE SOUTH AND EAST INTO THE GREAT BASIN AND CENTRAL
ROCKIES SATURDAY...REACHING THE SOUTHERN ROCKIES BY SATURDAY NIGHT
AND INTO SUNDAY...WITH OVER A FOOT OF SNOW POSSIBLE FOR THE
COLORADO ROCKIES THROUGH SUNDAY. ADDITIONALLY...SNOW WILL CONTINUE
TO SPREAD ACROSS THE CENTRAL AND NORTHERN PLAINS AND THE MIDDLE
MISSISSIPPI VALLEY BY EARLY SATURDAY MORNING. SNOWFALL AMOUNTS OF
1 TO 5 INCHES ARE POSSIBLE IN THESE AREAS...WITH THE HIGHER TOTALS
EXPECTED IN NORTHWESTERN IOWA AND SOUTHWESTERN MINNESOTA. NORTH OF
THE ARCTIC FRONT...FRIGID TEMPERATURES NEAR OR BELOW ZERO WILL BE
IN PLACE FOR SOME AREAS...WITH WIND CHILL VALUES OF 10 TO 30
DEGREES BELOW ZERO POSSIBLE FOR PORTIONS OF MONTANA.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 800 AM MST. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.
FANNING
Last Updated: 259 AM EST SAT NOV 15 2014