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Home Return to list Severe Thunderstorm Warning 0121 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-06-22 17:09:13
993
WUUS55 KCYS 222208
SVRCYS
NEC165-WYC015-222300-
/O.NEW.KCYS.SV.W.0121.260622T2208Z-260622T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
408 PM MDT Mon Jun 22 2026
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
West central Sioux County in the Panhandle of Nebraska...
Northeastern Goshen County in southeastern Wyoming...
* Until 500 PM MDT.
* At 408 PM MDT, a severe thunderstorm was located near Prairie
Center, or 23 miles southeast of Lusk, moving southeast at 30 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.
* Locations impacted include...
Prairie Center, Jay Em, and Hwy 85 At Dry Rawhide Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter such as an interior room, a
bathroom, closet or basement.
&&
LAT...LON 4247 10446 4261 10418 4233 10375 4210 10421
TIME...MOT...LOC 2208Z 318DEG 27KT 4246 10422
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Vasquez
Action: Continued Issued At: 2026-06-22 17:30:14
736
WWUS55 KCYS 222230
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
430 PM MDT Mon Jun 22 2026
NEC165-WYC015-222300-
/O.CON.KCYS.SV.W.0121.000000T0000Z-260622T2300Z/
Sioux NE-Goshen WY-
430 PM MDT Mon Jun 22 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT
FOR WEST CENTRAL SIOUX AND NORTHEASTERN GOSHEN COUNTIES...
At 429 PM MDT, a severe thunderstorm was located 13 miles southeast
of Prairie Center, or 19 miles north of Torrington, moving southeast
at 35 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
This severe thunderstorm will remain over mainly rural areas of west
central Sioux and northeastern Goshen Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
&&
LAT...LON 4241 10433 4252 10407 4233 10375 4214 10412
TIME...MOT...LOC 2229Z 313DEG 29KT 4234 10408
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Vasquez
Action: Continued Issued At: 2026-06-22 17:43:44
135
WWUS55 KCYS 222243
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
443 PM MDT Mon Jun 22 2026
NEC165-WYC015-222300-
/O.CON.KCYS.SV.W.0121.000000T0000Z-260622T2300Z/
Sioux NE-Goshen WY-
443 PM MDT Mon Jun 22 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM MDT
FOR WEST CENTRAL SIOUX AND EAST CENTRAL GOSHEN COUNTIES...
At 441 PM MDT, a severe thunderstorm was located 13 miles southwest
of Agate Fossil Beds National Monument, or 18 miles northeast of
Torrington, moving southeast at 35 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Emergency management. At 436 PM golf ball sized hail was
reported south southeast of Prairie Center .
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 west
central Sioux and east central Goshen Counties.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
This thunderstorm is capable of producing all types of severe weather
including extremely large hail, destructive straight line winds and
tornadoes. Move quickly to a safe shelter, such as an interior room,
a bathroom or closet or basement.
&&
LAT...LON 4233 10424 4246 10401 4232 10377 4231 10379
4214 10411
TIME...MOT...LOC 2241Z 317DEG 30KT 4230 10401
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Vasquez
Action: Expired Issued At: 2026-06-22 18:05:44
780
WWUS55 KCYS 222305
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
505 PM MDT Mon Jun 22 2026
NEC165-WYC015-222313-
/O.EXP.KCYS.SV.W.0121.000000T0000Z-260622T2300Z/
Sioux NE-Goshen WY-
505 PM MDT Mon Jun 22 2026
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL SIOUX AND EAST
CENTRAL GOSHEN COUNTIES HAS EXPIRED...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire. However, gusty
winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
the Panhandle of Nebraska...and southeastern Wyoming.
Remember, a Severe Thunderstorm Warning still remains in effect for
southwestern Sioux County until 545 PM MDT.
&&
LAT...LON 4233 10424 4246 10401 4232 10377 4231 10379
4214 10411
TIME...MOT...LOC 2303Z 318DEG 27KT 4219 10387
$$
Vasquez
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