904
WWUS55 KCYS 152333
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
533 PM MDT Fri Aug 15 2025

NEC165-160000-
/O.CON.KCYS.SV.W.0292.000000T0000Z-250816T0000Z/
Sioux NE-
533 PM MDT Fri Aug 15 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MDT
FOR NORTHEASTERN SIOUX COUNTY...

At 533 PM MDT, a severe thunderstorm was located over Montrose, or 27
miles south of Edgemont, moving east at 15 mph.

HAZARD...Two inch hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
         damage to roofs, siding, windows, and vehicles. Expect
         considerable tree damage. Wind damage is also likely to
         mobile homes, roofs, and outbuildings.

Locations impacted include...
Montrose and Toadstool Geological Park and Campground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4275 10354 4283 10382 4297 10382 4300 10363
      4300 10353
TIME...MOT...LOC 2333Z 260DEG 12KT 4291 10373

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...2.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

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