Alert archive / Wyoming / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 21, NWS Cheyenne, WY

June 1, 2024Laramie County, Wyoming; Kimball County, Nebraska

NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 1, 2024, 2:53 PM MDT for Laramie County, Wyoming; Kimball County, Nebraska. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 1, 2024, 2:53 PM MDT (20:53 UTC)
Expired: Jun 1, 2024, 3:45 PM MDT
In force: 52 min
Issued by: NWS Cheyenne, WY
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kimball County, NE, Laramie County, WY

The radar

The Cheyenne radar (KCYS), 71 km from the middle of the area, began a volume at 20:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.9 hours before the alert went out and 282 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 652 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 666 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 66 m²/s²
0-3 km storm-relative helicity: 115 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.2

Open this sounding in Storm Lab

The text

As transmitted.

198 
WUUS55 KCYS 012053
SVRCYS
NEC105-WYC021-012145-
/O.NEW.KCYS.SV.W.0021.240601T2053Z-240601T2145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
253 PM MDT Sat Jun 1 2024

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Southwestern Kimball County in the Panhandle of Nebraska...
  Southeastern Laramie County in southeastern Wyoming...

* Until 345 PM MDT.

* At 253 PM MDT, a severe thunderstorm was located over Panorama
  Point, or 22 miles southwest of Kimball, moving southeast at 10
  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...
  Panorama Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4101 10411 4115 10406 4116 10365 4100 10376
      4100 10409
TIME...MOT...LOC 2053Z 299DEG 8KT 4105 10401 

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

$$

Trudel

2 follow-up statements

366 
WWUS55 KCYS 012117
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
317 PM MDT Sat Jun 1 2024

WYC021-012127-
/O.CAN.KCYS.SV.W.0021.000000T0000Z-240601T2145Z/
Laramie WY-
317 PM MDT Sat Jun 1 2024

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LARAMIE COUNTY IS
CANCELLED...

The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

&&

LAT...LON 4103 10403 4112 10399 4116 10365 4100 10376
      4100 10403
TIME...MOT...LOC 2117Z 299DEG 8KT 4102 10395 

$$

NEC105-012145-
/O.CON.KCYS.SV.W.0021.000000T0000Z-240601T2145Z/
Kimball NE-
317 PM MDT Sat Jun 1 2024

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM MDT
FOR SOUTHWESTERN KIMBALL COUNTY...

At 317 PM MDT, a severe thunderstorm was located near Panorama Point,
or 20 miles southwest of Kimball, moving southeast at 10 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...
Panorama Point.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4103 10403 4112 10399 4116 10365 4100 10376
      4100 10403
TIME...MOT...LOC 2117Z 299DEG 8KT 4102 10395 

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

$$

Trudel

918 
WWUS55 KCYS 012144
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
344 PM MDT Sat Jun 1 2024

NEC105-012154-
/O.EXP.KCYS.SV.W.0021.000000T0000Z-240601T2145Z/
Kimball NE-
344 PM MDT Sat Jun 1 2024

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN KIMBALL COUNTY
WILL EXPIRE AT 345 PM MDT...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However, heavy rain is still possible with
this thunderstorm.

&&

LAT...LON 4103 10403 4112 10399 4116 10365 4100 10376
      4100 10403
TIME...MOT...LOC 2144Z 299DEG 8KT 4100 10389 

$$

Trudel

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 1, 2:21 PM MDT	Special Weather Statement	CYS	Laramie	39 min
Jun 1, 3:20 PM MDT	Special Weather Statement	CYS	Laramie	40 min
Jun 1, 3:50 PM MDT	Severe Thunderstorm Warning	CYS	Goshen, Laramie	40 min
Jun 1, 4:24 PM MDT	Severe Thunderstorm Warning	CYS	Goshen	51 min
Jun 1, 1:25 AM MDT	Special Weather Statement	CYS	Box Butte	35 min
Jun 1, 1:44 AM MDT	Severe Thunderstorm Warning	CYS	Box Butte	46 min
Jun 1, 2:22 AM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Morrill	23 min
Jun 1, 2:25 AM MDT	Special Weather Statement	CYS	Sioux	35 min
Jun 1, 2:57 AM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Sioux	33 min
Jun 1, 3:39 AM MDT	Severe Thunderstorm Warning	CYS	Box Butte, Morrill, Scotts Bluff, Sioux	22 min
Jun 1, 2:18 PM MDT	Special Weather Statement	CYS	Kimball	42 min
Jun 1, 4:04 PM MDT	Special Weather Statement	CYS	Cheyenne	41 min
Jun 1, 4:11 PM MDT	Special Weather Statement	CYS	Kimball	34 min
Jun 1, 5:08 PM MDT	Special Weather Statement	CYS	Scotts Bluff	37 min
Jun 1, 5:41 PM MDT	Special Weather Statement	CYS	Scotts Bluff	34 min
Jun 1, 5:56 PM MDT	Special Weather Statement	CYS	Morrill	34 min

Nearby

Severe Thunderstorm Warnings in Wyoming, 2024 Severe Thunderstorm Warnings in Nebraska, 2024 Every severe thunderstorm warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.