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Monday, Aug 10, 2026 02:17:08

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Severe Thunderstorm Warning 0222
Issued by the Cheyenne Forecast Office

Action Issued Starts Expiration
New 2026-08-09 18:25:30 2026-08-09 18:24:00 2026-08-09 19:15:00
Expired 2026-08-09 19:06:31 2026-08-09 19:15:00

Action: New
Issued At: 2026-08-09 18:25:30 

951 
WUUS55 KCYS 092324
SVRCYS
NEC013-045-165-100015-
/O.NEW.KCYS.SV.W.0222.260809T2324Z-260810T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
524 PM MDT Sun Aug 9 2026

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Northwestern Box Butte County in the Panhandle of Nebraska...
  Southwestern Dawes County in the Panhandle of Nebraska...
  East central Sioux County in the Panhandle of Nebraska...

* Until 615 PM MDT.

* At 524 PM MDT, a severe thunderstorm was located 10 miles north of
  Flahertys Corner, or 32 miles southwest of Chadron, moving east at
  25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Box Butte Reservoir and Marsland.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4240 10354 4252 10353 4257 10309 4220 10310
TIME...MOT...LOC 2324Z 266DEG 20KT 4247 10342 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Brauer
Action: Expired
Issued At: 2026-08-09 19:06:31 

139 
WWUS55 KCYS 100005
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
605 PM MDT Sun Aug 9 2026

NEC013-045-165-100015-
/O.EXP.KCYS.SV.W.0222.000000T0000Z-260810T0015Z/
Box Butte NE-Dawes NE-Sioux NE-
605 PM MDT Sun Aug 9 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BOX BUTTE...
SOUTHWESTERN DAWES AND EAST CENTRAL SIOUX COUNTIES WILL EXPIRE AT 615
PM MDT...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until midnight MDT for
the Panhandle of Nebraska.

&&

LAT...LON 4240 10354 4252 10353 4257 10309 4220 10310
TIME...MOT...LOC 0005Z 266DEG 20KT 4249 10312 

$$

Brauer

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