720
WWUS55 KCYS 152315
SVSCYS
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHEYENNE WY
515 PM MDT FRI AUG 15 2025
NEC165-152345-
/O.CON.KCYS.SV.W.0291.000000T0000Z-250815T2345Z/
SIOUX NE-
515 PM MDT FRI AUG 15 2025
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT
FOR NORTHWESTERN SIOUX COUNTY...
AT 514 PM MDT, A SEVERE THUNDERSTORM WAS LOCATED 7 MILES WEST OF
MONTROSE, OR 25 MILES SOUTH OF EDGEMONT, MOVING NORTHEAST AT 10 MPH.
HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL
DAMAGE TO ROOFS, SIDING, WINDOWS, AND VEHICLES. EXPECT WIND
DAMAGE TO ROOFS, SIDING, AND TREES.
THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTHWESTERN SIOUX COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
LAT...LON 4284 10387 4291 10400 4300 10393 4300 10368
TIME...MOT...LOC 2314Z 223DEG 9KT 4294 10389
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
FULLER
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