Special Weather Statement
Issued by NWS Riverton, WY

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WWUS85 KRIW 230012
SPSRIW

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RIVERTON WY
612 PM MDT THU SEP 22 2016

WYZ012-013-023-024-230045-
SALT RIVER AND WYOMING RANGES-TETON AND GROS VENTRE MOUNTAINS-STAR
VALLEY-JACKSON HOLE-
612 PM MDT THU SEP 22 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN TETON AND
NORTHWESTERN LINCOLN COUNTIES UNTIL 645 PM MDT...

AT 609 PM MDT...DOPPLER RADAR WAS TRACKING A THUNDERSTORM NEAR
ALPINE...MOVING NORTH AT 25 MPH. THE MAIN HAZARD FROM THIS
THUNDERSTORM WILL BE VERY HEAVY RAINFALL.

THIS THUNDERSTORM WILL IMPACT ALPINE AND THE SNAKE RIVER CANYON
AND SURROUNDING AREAS THROUGH 645 PM MDT. HEAVY RAINFALL IN STEEP
TERRAIN SUCH AS IN SNAKE RIVER CANYON CAN CAUSE MUD SLIDES WITH
LITTLE OR NO WARNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM.
LIGHTNING CAN STRIKE 10 MILES AWAY FROM A THUNDERSTORM. SEEK A SAFE
SHELTER INSIDE A BUILDING OR VEHICLE.

&&

LAT...LON 4329 11105 4349 11100 4341 11064 4309 11085
      4313 11104
TIME...MOT...LOC 0009Z 197DEG 22KT 4319 11094

$$

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