Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 126, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Jun 24, 2021, 4:49 PM MDT for Cheyenne County, Colorado. It was in force for 35 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 24, 2021, 4:49 PM MDT (22:49 UTC)
- Expired
- Jun 24, 2021, 5:24 PM MDT
- In force
- 35 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 4.0 in
- Wind
- 60.0 mph
County Cheyenne County, CO
The radar
The Goodland radar (KGLD), 80 km from the middle of the area, began a volume at 22:51 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 24, 5:20 PM MDT | HAIL 1 | 11 S Arapahoe, CO | DELAYED REPORT. TRAINED SPOTTER REPORTED SPORADIC QUARTER SIZED HAIL. |
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 24, 3:56 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 10.8 hours before the alert went out and 149 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
- 2028 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
742
WUUS53 KGLD 242249
SVRGLD
COC017-242345-
/O.NEW.KGLD.SV.W.0126.210624T2249Z-210624T2345Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
449 PM MDT Thu Jun 24 2021
The National Weather Service in Goodland has issued a
* Severe Thunderstorm Warning for...
Southeastern Cheyenne County in east central Colorado...
* Until 545 PM MDT.
* At 449 PM MDT, a severe thunderstorm was located 7 miles northeast
of Sheridan Lake, or 18 miles south of Cheyenne Wells, moving north
at 15 mph.
This is a very dangerous storm.
HAZARD...Softball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
* This severe thunderstorm will remain over mainly rural areas of
southeastern Cheyenne County in east central Colorado, including
the following locations... Arapahoe.
This includes Highway 385 between mile markers 136 and 152.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
&&
LAT...LON 3889 10235 3886 10204 3862 10205 3861 10235
TIME...MOT...LOC 2249Z 186DEG 14KT 3856 10223
HAIL...4.00IN
WIND...60MPH
$$
0242 follow-up statements
554
WWUS53 KGLD 242310
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
510 PM MDT Thu Jun 24 2021
COC017-242345-
/O.CON.KGLD.SV.W.0126.000000T0000Z-210624T2345Z/
Cheyenne CO-
510 PM MDT Thu Jun 24 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MDT
FOR SOUTHEASTERN CHEYENNE COUNTY IN EAST CENTRAL COLORADO...
At 510 PM MDT, a severe thunderstorm was located 12 miles northwest
of Towner, or 15 miles southeast of Cheyenne Wells, moving north at
15 mph.
This is a very dangerous storm.
HAZARD...Three inch hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
Locations impacted include...
Cheyenne Wells and Arapahoe.
This includes Highway 385 between mile markers 136 and 152.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
&&
LAT...LON 3889 10235 3886 10204 3862 10205 3861 10235
TIME...MOT...LOC 2310Z 196DEG 14KT 3864 10218
HAIL...3.00IN
WIND...60MPH
$$
024942
WWUS53 KGLD 242324
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
524 PM MDT Thu Jun 24 2021
COC017-242333-
/O.CAN.KGLD.SV.W.0126.000000T0000Z-210624T2345Z/
Cheyenne CO-
524 PM MDT Thu Jun 24 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CHEYENNE COUNTY
IN EAST CENTRAL COLORADO IS CANCELLED...
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 has been cancelled. However gusty winds are
still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1000 PM MDT for
east central Colorado...and west central Kansas.
LAT...LON 3889 10235 3886 10204 3862 10205 3861 10235
TIME...MOT...LOC 2320Z 186DEG 14KT 3869 10217
$$
024The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 24, 3:45 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson | 60 min |
| Jun 24, 4:44 PM MDT | Special Weather Statement | GLD | Kit Carson | 16 min |
| Jun 24, 5:00 PM MDT | Special Weather Statement | GLD | Kit Carson | 15 min |
| Jun 24, 5:14 PM MDT | Special Weather Statement | GLD | Kit Carson | 16 min |
| Jun 24, 5:29 PM MDT | Special Weather Statement | GLD | Kit Carson | 16 min |
| Jun 24, 5:42 PM MDT | Special Weather Statement | GLD | Kit Carson | 18 min |
| Jun 24, 5:44 PM MDT | Special Weather Statement | GLD | Kit Carson | 16 min |
| Jun 24, 5:47 PM MDT | Special Weather Statement | GLD | Lincoln | 13 min |
Nearby
Severe Thunderstorm Warnings in Colorado, 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.