309
WWUS85 KRIW 130008
SPSRIW

Special Weather Statement
National Weather Service Riverton WY
608 PM MDT Fri Sep 12 2025

WYZ004-006-008-130045-
Southeast Bighorn Basin-North Bighorn Basin-Bighorn Mountains West-
608 PM MDT Fri Sep 12 2025

...A STRONG THUNDERSTORM WILL IMPACT SOUTHEASTERN BIG HORN AND
NORTHEASTERN WASHAKIE COUNTIES THROUGH 645 PM MDT...

At 608 PM MDT, Doppler radar was tracking a strong thunderstorm over
Tensleep Canyon, which is near Ten Sleep, moving north at 30 mph.

HAZARD...Wind gusts of 50 to 55 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

This storm will remain over mainly rural areas of southeastern Big
Horn and northeastern Washakie Counties, including the following
locations... Leigh Creek Campground and Wigwam Fish Rearing Station.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 4427 10723 4405 10725 4402 10738 4428 10761
TIME...MOT...LOC 0008Z 162DEG 28KT 4407 10736

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...55 MPH

$$

Gerhardt