Alert archive / Nebraska / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 56, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 13, 2021, 7:32 PM MDT for Dawes County, Nebraska. It was in force for 43 min. 1 report 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 13, 2021, 7:32 PM MDT (01:32 UTC)
- Expired
- Jun 13, 2021, 8:15 PM MDT
- In force
- 43 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
County Dawes County, NE
The radar
The Rapid City radar (KUDX), 144 km from the middle of the area, began a volume at 01:35 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 13, 7:36 PM MDT | HAIL 0.5 | 9 Wnw Whitney, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 13, 3:04 PM MDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Rapid City, SD (KUNR), launched 00:00Z, 1.5 hours before the alert went out and 137 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
- 1422 J/kg
- Mixed-layer CIN
- -91 J/kg
- Mixed-layer LCL
- 1895 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.9
The text
As transmitted.
541
WUUS55 KCYS 140132
SVRCYS
NEC045-140215-
/O.NEW.KCYS.SV.W.0056.210614T0132Z-210614T0215Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
732 PM MDT Sun Jun 13 2021
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Northern Dawes County in the Panhandle of Nebraska...
* Until 815 PM MDT.
* At 732 PM MDT, a severe thunderstorm was located near Whitney Lake,
or 14 miles west of Chadron, moving northeast at 20 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...
Whitney Lake, Chadron Airport and Whitney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.
&&
LAT...LON 4271 10331 4282 10348 4301 10333 4300 10286
4291 10285
TIME...MOT...LOC 0132Z 216DEG 16KT 4285 10329
HAIL...1.75IN
WIND...60MPH
$$
Hammer2 follow-up statements
070
WWUS55 KCYS 140151
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
751 PM MDT Sun Jun 13 2021
NEC045-140215-
/O.CON.KCYS.SV.W.0056.000000T0000Z-210614T0215Z/
Dawes NE-
751 PM MDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM MDT
FOR NORTHWESTERN DAWES COUNTY...
At 751 PM MDT, a severe thunderstorm was located 8 miles north of
Whitney Lake, or 13 miles west of Chadron, moving northeast at 15
mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Whitney Lake and Whitney.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.
&&
LAT...LON 4274 10325 4284 10344 4301 10333 4300 10296
4293 10296
TIME...MOT...LOC 0151Z 215DEG 15KT 4290 10324
HAIL...1.25IN
WIND...60MPH
$$
Hammer675
WWUS55 KCYS 140214
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
814 PM MDT Sun Jun 13 2021
NEC045-140224-
/O.EXP.KCYS.SV.W.0056.000000T0000Z-210614T0215Z/
Dawes NE-
814 PM MDT Sun Jun 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DAWES COUNTY 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. However small hail
and gusty winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
the Panhandle of Nebraska.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Cheyenne.
LAT...LON 4274 10325 4284 10344 4301 10333 4300 10296
4293 10296
TIME...MOT...LOC 0214Z 216DEG 16KT 4298 10316
$$
HammerThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 6:42 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes, Sioux | 48 min |
| Jun 13, 7:27 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Dawes, Sioux | 48 min |
| Jun 13, 7:38 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte, Cheyenne, Morrill | 52 min |
| Jun 13, 8:52 PM MDT | Severe Thunderstorm Warning | CYS | Morrill | 53 min |
| Jun 13, 9:43 PM MDT | Special Weather Statement | CYS | Morrill | 47 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 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.