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Severe Thunderstorm Warning 0125
Issued by the Cheyenne Forecast Office

Action Issued Starts Expiration
New 2026-06-22 18:24:15 2026-06-22 18:23:00 2026-06-22 19:30:00
Continued 2026-06-22 18:50:46 2026-06-22 19:30:00
Expired 2026-06-22 19:23:32 2026-06-22 19:30:00


Action: New
Issued At: 2026-06-22 18:24:15

413 
WUUS55 KCYS 222323
SVRCYS
NEC165-WYC027-230030-
/O.NEW.KCYS.SV.W.0125.260622T2323Z-260623T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
523 PM MDT Mon Jun 22 2026

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Northwestern Sioux County in the Panhandle of Nebraska...
  Southern Niobrara County in east central Wyoming...

* Until 630 PM MDT.

* At 523 PM MDT, a severe thunderstorm was located near Lance Creek,
  or 21 miles north of Lusk, moving southeast at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Lusk, Van Tassell, and Lance Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4278 10377 4260 10406 4261 10429 4307 10473
      4321 10448
TIME...MOT...LOC 2323Z 313DEG 37KT 4306 10454 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Vasquez


Action: Continued
Issued At: 2026-06-22 18:50:46

314 
WWUS55 KCYS 222350
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
550 PM MDT Mon Jun 22 2026

NEC165-WYC027-230030-
/O.CON.KCYS.SV.W.0125.000000T0000Z-260623T0030Z/
Sioux NE-Niobrara WY-
550 PM MDT Mon Jun 22 2026

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM MDT
FOR NORTHWESTERN SIOUX AND SOUTHEASTERN NIOBRARA COUNTIES...

At 549 PM MDT, a severe thunderstorm was located 12 miles northeast
of Lusk, moving southeast at 30 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

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

Locations impacted include...
Van Tassell.

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 4278 10377 4260 10406 4261 10429 4293 10454
      4303 10431
TIME...MOT...LOC 2349Z 314DEG 25KT 4292 10434 

TORNADO...POSSIBLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Natoli


Action: Expired
Issued At: 2026-06-22 19:23:32

359 
WWUS55 KCYS 230022
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
622 PM MDT Mon Jun 22 2026

NEC165-WYC027-230032-
/O.EXP.KCYS.SV.W.0125.000000T0000Z-260623T0030Z/
Sioux NE-Niobrara WY-
622 PM MDT Mon Jun 22 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN SIOUX AND
SOUTHEASTERN NIOBRARA COUNTIES WILL EXPIRE AT 630 PM MDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
the Panhandle of Nebraska...and southeastern and east central
Wyoming.

&&

LAT...LON 4278 10377 4260 10406 4261 10429 4293 10454
      4303 10431
TIME...MOT...LOC 0022Z 313DEG 37KT 4269 10401 

$$

Natoli



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