Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 232, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Sep 12, 2021, 5:06 PM MDT for Kit Carson County, Colorado. It was in force for 54 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
- Sep 12, 2021, 5:06 PM MDT (23:06 UTC)
- Expired
- Sep 12, 2021, 6:00 PM MDT
- In force
- 54 min
- Issued by
- NWS Goodland, KS
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Kit Carson County, CO
The radar
The Goodland radar (KGLD), 92 km from the middle of the area, began a volume at 23:08 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 12:00Z, 11.1 hours before the alert went out and 62 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
- 9 J/kg
- Mixed-layer CIN
- -377 J/kg
- Mixed-layer LCL
- 2276 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
362
WUUS53 KGLD 122306
SVRGLD
COC063-130000-
/O.NEW.KGLD.SV.W.0232.210912T2306Z-210913T0000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Goodland KS
506 PM MDT Sun Sep 12 2021
The National Weather Service in Goodland has issued a
* Severe Thunderstorm Warning for...
Northwestern Kit Carson County in east central Colorado...
* Until 600 PM MDT.
* At 505 PM MDT, a severe thunderstorm was located 10 miles northwest
of Seibert, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Public. A personal weather station in Flagler, Colorado
recorded a 59 mph wind gust.
IMPACT...Expect damage to roofs, siding, and trees.
* This severe thunderstorm will remain over mainly rural areas of
northwestern Kit Carson County.
This includes Interstate 70 in Colorado between mile markers 398 and
433.
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 3957 10305 3957 10234 3925 10234 3926 10305
TIME...MOT...LOC 2305Z 271DEG 28KT 3944 10295
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
TT4 follow-up statements
567 WWUS53 KGLD 122317 SVSGLD Severe Weather Statement National Weather Service Goodland KS 517 PM MDT Sun Sep 12 2021 COC063-130000- /O.CON.KGLD.SV.W.0232.000000T0000Z-210913T0000Z/ Kit Carson CO- 517 PM MDT Sun Sep 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR NORTHWESTERN KIT CARSON COUNTY... At 517 PM MDT, a severe thunderstorm was located 9 miles north of Seibert, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Stratton, Seibert, Bethune and Vona. This includes Interstate 70 in Colorado between mile markers 398 and 433. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3957 10301 3957 10234 3925 10234 3926 10301 TIME...MOT...LOC 2317Z 271DEG 28KT 3944 10283 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ TT
814 WWUS53 KGLD 122330 SVSGLD Severe Weather Statement National Weather Service Goodland KS 530 PM MDT Sun Sep 12 2021 COC063-130000- /O.CON.KGLD.SV.W.0232.000000T0000Z-210913T0000Z/ Kit Carson CO- 530 PM MDT Sun Sep 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR NORTH CENTRAL KIT CARSON COUNTY... At 529 PM MDT, a severe thunderstorm was located 9 miles north of Vona, or 10 miles northwest of Stratton, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Stratton, Seibert, Bethune and Vona. This includes Interstate 70 in Colorado between mile markers 405 and 433. 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 3957 10293 3957 10234 3925 10234 3926 10288 TIME...MOT...LOC 2329Z 271DEG 28KT 3944 10270 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ TT
291 WWUS53 KGLD 122345 SVSGLD Severe Weather Statement National Weather Service Goodland KS 545 PM MDT Sun Sep 12 2021 COC063-130000- /O.CON.KGLD.SV.W.0232.000000T0000Z-210913T0000Z/ Kit Carson CO- 545 PM MDT Sun Sep 12 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MDT FOR NORTH CENTRAL KIT CARSON COUNTY... At 545 PM MDT, a severe thunderstorm was located 9 miles north of Stratton, moving east at 30 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Stratton and Bethune. This includes Interstate 70 in Colorado between mile markers 420 and 433. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3957 10281 3957 10234 3925 10234 3929 10264 TIME...MOT...LOC 2345Z 271DEG 28KT 3944 10254 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...OBSERVED MAX WIND GUST...60 MPH $$ TT
398
WWUS53 KGLD 130000
SVSGLD
Severe Weather Statement
National Weather Service Goodland KS
600 PM MDT Sun Sep 12 2021
COC063-130008-
/O.EXP.KGLD.SV.W.0232.000000T0000Z-210913T0000Z/
Kit Carson CO-
600 PM MDT Sun Sep 12 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL KIT CARSON
COUNTY WILL EXPIRE AT 600 PM MDT...
The severe thunderstorm has been allowed to expire. However a new
Severe Thunderstorm Warning is in effect until 645pm MDT for North
Central Kit Carson County.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Goodland.
Remember, a Severe Thunderstorm Warning still remains in effect for
North Central Kit Carson County until 645pm MDT.
LAT...LON 3957 10281 3957 10234 3925 10234 3929 10264
TIME...MOT...LOC 2358Z 271DEG 28KT 3944 10241
$$
TTThe office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 11, 9:32 PM MDT | Special Weather Statement | GLD | Cheyenne, Kit Carson, Yuma | 28 min |
| Sep 11, 10:13 PM MDT | Special Weather Statement | GLD | Kit Carson | 32 min |
| Sep 12, 4:35 PM MDT | Special Weather Statement | GLD | Kit Carson | 25 min |
| Sep 12, 4:59 PM MDT | Special Weather Statement | GLD | Kit Carson | 31 min |
| Sep 12, 5:44 PM MDT | Severe Thunderstorm Warning | GLD | Cheyenne, Kit Carson | 61 min |
| Sep 12, 5:58 PM MDT | Severe Thunderstorm Warning | GLD | Kit Carson, Yuma | 47 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.