Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 36, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 6, 2021, 7:39 PM MDT for Sioux County, Nebraska; Goshen County, Wyoming. It was in force for 36 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 6, 2021, 7:39 PM MDT (01:39 UTC)
- Expired
- Jun 6, 2021, 8:15 PM MDT
- In force
- 36 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Sioux County, NE, Goshen County, WY
The radar
The Cheyenne radar (KCYS), 107 km from the middle of the area, began a volume at 01:41 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 6, 7:58 PM MDT | HAIL 1 | Lingle, WY | PEA TO QUARTER SIZE HAIL. |
| Jun 6, 8:03 PM MDT | HAIL 1 | 1 S Lingle, WY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 1.7 hours before the alert went out and 255 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2414 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 229 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
926
WUUS55 KCYS 070139
SVRCYS
NEC165-WYC015-070215-
/O.NEW.KCYS.SV.W.0036.210607T0139Z-210607T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
739 PM MDT Sun Jun 6 2021
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Southwestern Sioux County in the Panhandle of Nebraska...
Central Goshen County in southeastern Wyoming...
* Until 815 PM MDT.
* At 739 PM MDT, a severe thunderstorm was located near Veteran, or
12 miles west of Torrington, moving northeast at 30 mph.
HAZARD...Ping pong 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...
Torrington, Lingle and Veteran.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather, contact your nearest law enforcement
agency. They will send your report to the National Weather Service
office in Cheyenne.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4192 10442 4199 10456 4227 10435 4215 10405
TIME...MOT...LOC 0139Z 219DEG 25KT 4202 10442
HAIL...1.50IN
WIND...60MPH
$$
Claycomb3 follow-up statements
337
WWUS55 KCYS 070152
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
752 PM MDT Sun Jun 6 2021
NEC165-WYC015-070215-
/O.CON.KCYS.SV.W.0036.000000T0000Z-210607T0215Z/
Sioux NE-Goshen WY-
752 PM MDT Sun Jun 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT
FOR SOUTHWESTERN SIOUX AND CENTRAL GOSHEN COUNTIES...
At 750 PM MDT, a severe thunderstorm was located near Lingle, or 8
miles west of Torrington, moving northeast at 30 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Public. At 738 PM, golf ball sized hail was reported 1 mile
northwest of Veteran.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Torrington, Lingle and Veteran.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Cheyenne.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4196 10437 4204 10448 4227 10435 4215 10405
TIME...MOT...LOC 0150Z 219DEG 25KT 4208 10435
HAIL...1.50IN
WIND...60MPH
$$
Claycomb803
WWUS55 KCYS 070206
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
806 PM MDT Sun Jun 6 2021
NEC165-WYC015-070215-
/O.CON.KCYS.SV.W.0036.000000T0000Z-210607T0215Z/
Sioux NE-Goshen WY-
806 PM MDT Sun Jun 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT
FOR SOUTHWESTERN SIOUX AND CENTRAL GOSHEN COUNTIES...
At 805 PM MDT, a severe thunderstorm was located near Lingle, or 7
miles northwest of Torrington, moving northeast at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Emergency Management. At 803 PM, Quarter sized hail was
reported 1.5 miles south of Lingle.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Torrington and Lingle.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
To report severe weather contact your nearest law enforcement agency.
They will send your report to the National Weather Service office in
Cheyenne.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4203 10429 4209 10442 4227 10435 4215 10405
TIME...MOT...LOC 0205Z 219DEG 25KT 4216 10427
HAIL...1.00IN
WIND...60MPH
$$
Claycomb115
WWUS55 KCYS 070209
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
809 PM MDT Sun Jun 6 2021
NEC165-WYC015-070218-
/O.EXP.KCYS.SV.W.0036.000000T0000Z-210607T0215Z/
Sioux NE-Goshen WY-
809 PM MDT Sun Jun 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SIOUX AND CENTRAL
GOSHEN COUNTIES WILL EXPIRE AT 815 PM MDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Cheyenne.
LAT...LON 4203 10429 4209 10442 4227 10435 4215 10405
TIME...MOT...LOC 0208Z 219DEG 25KT 4216 10427
$$
ClaycombThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 6:16 PM MDT | Severe Thunderstorm Warning | CYS | Cheyenne, Kimball | 32 min |
| Jun 7, 3:59 PM MDT | Special Weather Statement | CYS | Banner, Kimball | 46 min |
| Jun 6, 6:11 PM MDT | Severe Thunderstorm Warning | CYS | Laramie, Platte | 34 min |
| Jun 6, 6:37 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 38 min |
| Jun 7, 3:39 PM MDT | Special Weather Statement | CYS | Converse | 51 min |
| Jun 7, 4:17 PM MDT | Special Weather Statement | CYS | Converse | 43 min |
| Jun 7, 5:37 PM MDT | Special Weather Statement | CYS | Niobrara | 53 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2021Severe Thunderstorm Warnings in Wyoming, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.