Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 189, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Aug 10, 2021, 6:27 PM MDT for Cheyenne County, Colorado. It was in force for 24 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
- Aug 10, 2021, 6:27 PM MDT (00:27 UTC)
- Expired
- Aug 10, 2021, 6:51 PM MDT
- In force
- 24 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Cheyenne County, CO
The radar
The Goodland radar (KGLD), 90 km from the middle of the area, began a volume at 00:28 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
Denver, CO (KDNR), launched 00:00Z, 0.5 hours before the alert went out and 131 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
- 3961 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
192 WUUS53 KGLD 110027 SVRGLD COC017-110130- /O.NEW.KGLD.SV.W.0189.210811T0027Z-210811T0130Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Goodland KS 627 PM MDT Tue Aug 10 2021 The National Weather Service in Goodland has issued a * Severe Thunderstorm Warning for... Eastern Cheyenne County in east central Colorado... * Until 730 PM MDT. * At 627 PM MDT, a severe thunderstorm was located 10 miles northwest of Cheyenne Wells, moving southeast at 20 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Cheyenne Wells. This includes Highway 385 between mile markers 140 and 154. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3894 10263 3899 10252 3873 10216 3861 10250 TIME...MOT...LOC 0027Z 328DEG 18KT 3890 10252 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...<50 MPH $$ AW
1 follow-up statement
538
WWUS53 KGLD 110051
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
651 PM MDT Tue Aug 10 2021
COC017-110100-
/O.CAN.KGLD.SV.W.0189.000000T0000Z-210811T0130Z/
Cheyenne CO-
651 PM MDT Tue Aug 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CHEYENNE COUNTY IN
EAST CENTRAL COLORADO IS CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled. However small hail is
still possible with this thunderstorm.
LAT...LON 3894 10263 3899 10252 3873 10216 3861 10250
TIME...MOT...LOC 0049Z 328DEG 18KT 3880 10244
$$
AWThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 6:35 PM MDT | Special Weather Statement | GLD | Cheyenne | 25 min |
| Aug 10, 10:42 PM MDT | Special Weather Statement | GLD | Cheyenne | 33 min |
| Aug 10, 11:15 PM MDT | Special Weather Statement | GLD | Cheyenne | 45 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.