Alert archive / Colorado / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 263, NWS Pueblo, CO
NWS Pueblo, CO issued this severe thunderstorm warning at Jul 21, 2021, 3:44 PM MDT for Custer County, Colorado. It was in force for 33 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
- Jul 21, 2021, 3:44 PM MDT (21:44 UTC)
- Expired
- Jul 21, 2021, 4:17 PM MDT
- In force
- 33 min
- Issued by
- NWS Pueblo, CO
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
County Custer County, CO
The radar
The Pueblo radar (KPUX), 113 km from the middle of the area, began a volume at 21:46 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, 9.7 hours before the alert went out and 271 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
- 2182 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
922 WUUS55 KPUB 212144 SVRPUB COC027-212230- /O.NEW.KPUB.SV.W.0263.210721T2144Z-210721T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Pueblo CO 344 PM MDT Wed Jul 21 2021 The National Weather Service in Pueblo has issued a * Severe Thunderstorm Warning for... Central Custer County in southeastern Colorado... * Until 430 PM MDT. * At 344 PM MDT, a severe thunderstorm was located 12 miles northeast of Crestone Peak, or 17 miles west of Junkins Burn Scar, and is nearly stationary. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Silver Cliff, Westcliffe and Rosita. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Prepare immediately for large hail and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3807 10545 3814 10549 3820 10535 3810 10529 TIME...MOT...LOC 2144Z 237DEG 2KT 3811 10543 HAIL...1.25IN WIND...<50MPH $$ Heavener
2 follow-up statements
598 WWUS55 KPUB 212205 SVSPUB Severe Weather Statement National Weather Service Pueblo CO 405 PM MDT Wed Jul 21 2021 COC027-212230- /O.CON.KPUB.SV.W.0263.000000T0000Z-210721T2230Z/ Custer CO- 405 PM MDT Wed Jul 21 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM MDT FOR CENTRAL CUSTER COUNTY... At 404 PM MDT, a severe thunderstorm was located 13 miles northeast of Crestone Peak, or 16 miles west of Junkins Burn Scar, and is nearly stationary. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Silver Cliff, Westcliffe and Rosita. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 3808 10543 3814 10548 3820 10535 3810 10529 TIME...MOT...LOC 2204Z 237DEG 2KT 3812 10542 HAIL...1.00IN WIND...<50MPH $$ Heavener
676
WWUS55 KPUB 212217
SVSPUB
Severe Weather Statement
National Weather Service Pueblo CO
417 PM MDT Wed Jul 21 2021
COC027-212226-
/O.CAN.KPUB.SV.W.0263.000000T0000Z-210721T2230Z/
Custer CO-
417 PM MDT Wed Jul 21 2021
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL CUSTER COUNTY 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 heavy rain is
still possible with this thunderstorm and a flash flood warning is
in effect for the Westcliffe area.
LAT...LON 3808 10543 3814 10548 3820 10535 3810 10529
TIME...MOT...LOC 2214Z 237DEG 2KT 3812 10541
$$
KTThe office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 7:03 PM MDT | Special Weather Statement | PUB | Chaffee | 12 min |
| Jul 21, 2:57 AM MDT | Flash Flood Watch | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, Fremont and 5 more | 19 hr |
| Jul 21, 1:14 PM MDT | Special Weather Statement | PUB | Costilla | 61 min |
| Jul 21, 1:21 PM MDT | Special Weather Statement | PUB | Conejos | 54 min |
| Jul 21, 2:02 PM MDT | Flash Flood Warning | PUB | Chaffee | 3 hr |
| Jul 21, 2:25 PM MDT | Special Weather Statement | PUB | Alamosa | 35 min |
| Jul 21, 2:34 PM MDT | Special Weather Statement | PUB | Mineral | 56 min |
| Jul 21, 2:59 PM MDT | Special Weather Statement | PUB | Teller | 46 min |
| Jul 21, 3:38 PM MDT | Flash Flood Warning | PUB | Fremont | 2 hr |
| Jul 21, 3:40 PM MDT | Special Weather Statement | PUB | Custer | 35 min |
| Jul 21, 3:57 PM MDT | Special Weather Statement | PUB | Teller | 48 min |
| Jul 21, 4:08 PM MDT | Flash Flood Warning | PUB | Custer | 3 hr |
| Jul 21, 5:01 PM MDT | Special Weather Statement | PUB | Saguache | 44 min |
| Jul 21, 5:43 PM MDT | Special Weather Statement | PUB | El Paso | 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.