637
WUUS53 KUNR 170249
SVRUNR
SDC019-081-WYC011-170345-
/O.NEW.KUNR.SV.W.0335.250817T0249Z-250817T0345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RAPID CITY SD
849 PM MDT SAT AUG 16 2025
THE NATIONAL WEATHER SERVICE IN RAPID CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN BUTTE COUNTY IN NORTHWESTERN SOUTH DAKOTA...
NORTHWESTERN LAWRENCE COUNTY IN WEST CENTRAL SOUTH DAKOTA...
NORTHEASTERN CROOK COUNTY IN NORTHEASTERN WYOMING...
* UNTIL 945 PM MDT.
* AT 849 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 8 MILES NORTH OF COLONY TO 5 MILES EAST OF COOK
LAKE, MOVING EAST AT 20 MPH.
HAZARD...QUARTER SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...DAMAGE TO VEHICLES IS EXPECTED.
* LOCATIONS IMPACTED INCLUDE...
WESTERN SPEARFISH, BELLE FOURCHE, COLONY, BEULAH, ALADDIN, ANTELOPE
BUTTE, CROW PEAK, BEAR LODGE CAMPGROUND, AND COOK LAKE.
THIS INCLUDES...
INTERSTATE 90 IN SOUTH DAKOTA BETWEEN MILE MARKERS 1 AND 8.
INTERSTATE 90 IN WYOMING BETWEEN MILE MARKERS 197 AND 207.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LAT...LON 4517 10361 4444 10394 4452 10448 4500 10433
4499 10406 4501 10404 4518 10404
TIME...MOT...LOC 0249Z 254DEG 15KT 4499 10413 4458 10431
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...<50 MPH
CALDERON
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