Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 150334
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
934 PM MDT TUE OCT 14 2014

WYZ002-003-151000-
ABSAROKA MOUNTAINS-CODY FOOTHILLS-
934 PM MDT TUE OCT 14 2014

...INCREASING SOUTHWEST WIND LATER WEDNESDAY...

THE APPROACH OF AN UPPER LEVEL DISTURBANCE AND AN ASSOCIATED DRY
FRONT FROM THE WEST WILL INCREASE BOTH THE SURFACE PRESSURE GRADIENT
ALONG WITH WINDS ALOFT BY MID TO LATE AFTERNOON ON WEDNESDAY. THIS
WILL RESULT IN WEST TO SOUTHWEST SURFACE WINDS ACROSS THE MOUNTAINS
INCREASING TO 30 TO 40 MPH WITH GUSTS AROUND 65 MPH POSSIBLE BY MID
TO LATE EVENING WEDNESDAY. AT LOWER ELEVATIONS...THE SOUTHWEST WINDS
WILL BLOW 20 TO 30 MPH WITH GUSTS OF 40 TO 50 MPH POSSIBLE AT TIMES.
THE STRONGEST WINDS ARE LIKELY TO OCCUR NORTH TO NORTHWEST OF CODY
NEAR CLARK AND OVER THE CHIEF JOSEPH HIGHWAY.

$$

WYZ015>018-151000-
LANDER FOOTHILLS-UPPER WIND RIVER BASIN-WIND RIVER BASIN-
WIND RIVER MOUNTAINS EAST-
934 PM MDT TUE OCT 14 2014

...INCREASING SOUTHWEST WIND LATER WEDNESDAY...

THE APPROACH OF AN UPPER LEVEL DISTURBANCE AND AN ASSOCIATED DRY
FRONT FROM THE WEST WILL INCREASE BOTH THE SURFACE PRESSURE GRADIENT
ALONG WITH WINDS ALOFT ON WEDNESDAY. THIS WILL RESULT IN WEST TO
SOUTHWEST SURFACE WINDS ACROSS THE EAST SLOPES OF THE WIND RIVER
MOUNTAINS INCREASING TO 30 TO 40 MPH WITH GUSTS AROUND 60 MPH
WEDNESDAY MORNING THROUGH EARLY THURSDAY MORNING. THE STRONGEST WINDS
ARE LIKELY TO OCCUR ALONG AND JUST DOWNWIND OF THE MOUNTAIN RIDGE
LINES.

SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS NEAR 50 MPH WILL LIKELY BE
ENCOUNTERED ALONG AND WEST OF HIGHWAY 287 FROM BEAVER RIM TO DUBOIS
DURING THE AFTERNOON AND EVENING ON WEDNESDAY. THESE WINDS MAY CAUSE
LOSS OF VEHICLE CONTROL OR A BLOW OVER TO HIGH PROFILE VEHICLES
TRAVELING EMPTY OR WITH A LIGHT LOAD.

$$

WYZ019-020-022-030-151000-
CASPER MOUNTAIN-EAST SWEETWATER COUNTY-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-
NATRONA COUNTY LOWER ELEVATIONS-
934 PM MDT TUE OCT 14 2014

...INCREASING SOUTHWEST WIND LATER WEDNESDAY...

THE APPROACH OF AN UPPER LEVEL DISTURBANCE AND AN ASSOCIATED DRY
FRONT FROM THE WEST WILL INCREASE BOTH THE SURFACE PRESSURE GRADIENT
ALONG WITH WINDS ALOFT BY MID AFTERNOON ON WEDNESDAY. THIS
WILL RESULT IN WEST TO SOUTHWEST SURFACE WINDS INCREASING TO 20 TO 30
MPH WITH GUSTS OF 45 TO 55 MPH POSSIBLE BY MID AFTERNOON
WEDNESDAY. WINDS WILL LIKELY DECREASE SOMEWHAT ACROSS THE LOWER
ELEVATIONS BY EARLY WEDNESDAY EVENING...A COUPLE OF HOURS LATER IN
THE MOUNTAINS. THE STRONGEST WINDS ARE LIKELY TO OCCUR FROM THE SOUTH
PASS AREA...EAST ACROSS NORTHEASTERN SWEETWATER COUNTY...EASTERN
FREMONT COUNTY AND WESTERN NATRONA COUNTY...PARTICULARLY OVER THE
AREAS MOUNTAINS AND FOOTHILLS.

$$

JB



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