Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 2, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Feb 11, 2021, 6:55 AM CST for Bandera County, Real County, Uvalde County, Texas. It was in force for 39 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
- Feb 11, 2021, 6:55 AM CST (12:55 UTC)
- Expired
- Feb 11, 2021, 7:34 AM CST
- In force
- 39 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
Counties Bandera County, TX, Real County, TX, Uvalde County, TX
The radar
The Laughlin AFB radar (KDFX), 59 km from the middle of the area, began a volume at 12:57 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
Del Rio, TX (KDRT), launched 12:00Z, 0.9 hours before the alert went out and 110 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
- 12 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 412 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 149 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
360 WUUS54 KEWX 111255 SVREWX TXC019-385-463-111400- /O.NEW.KEWX.SV.W.0002.210211T1255Z-210211T1400Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Austin/San Antonio TX 655 AM CST Thu Feb 11 2021 The National Weather Service in Austin San Antonio has issued a * Severe Thunderstorm Warning for... West central Bandera County in south central Texas... North central Uvalde County in south central Texas... Southeastern Real County in south central Texas... * Until 800 AM CST. * At 655 AM CST, a severe thunderstorm was located 7 miles north of Uvalde, moving north at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Leakey, Vanderpool, Garner State Park, Tuff, Rio Frio, Reagan Wells, Concan and Knippa. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2924 9968 2926 9985 2981 9987 2978 9948 TIME...MOT...LOC 1255Z 186DEG 23KT 2932 9978 HAIL...1.00IN WIND...<50MPH $$ MO
2 follow-up statements
934 WWUS54 KEWX 111309 SVSEWX Severe Weather Statement National Weather Service Austin/San Antonio TX 709 AM CST Thu Feb 11 2021 TXC019-385-463-111400- /O.CON.KEWX.SV.W.0002.000000T0000Z-210211T1400Z/ Bandera TX-Uvalde TX-Real TX- 709 AM CST Thu Feb 11 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 AM CST FOR WEST CENTRAL BANDERA...NORTH CENTRAL UVALDE AND SOUTHEASTERN REAL COUNTIES... At 708 AM CST, a severe thunderstorm was located 7 miles southwest of Concan, or 13 miles north of Uvalde, moving north at 25 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Leakey, Concan, Garner State Park, Rio Frio and Reagan Wells. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2935 9965 2938 9985 2974 9981 2972 9952 TIME...MOT...LOC 1308Z 186DEG 23KT 2941 9977 HAIL...1.00IN WIND...<50MPH $$ ZEITLER
442
WWUS54 KEWX 111334
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
734 AM CST Thu Feb 11 2021
TXC019-385-463-111343-
/O.CAN.KEWX.SV.W.0002.000000T0000Z-210211T1400Z/
Bandera TX-Uvalde TX-Real TX-
734 AM CST Thu Feb 11 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL BANDERA...NORTH
CENTRAL UVALDE AND SOUTHEASTERN REAL COUNTIES 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.
LAT...LON 2935 9965 2938 9985 2974 9981 2972 9952
TIME...MOT...LOC 1330Z 186DEG 23KT 2957 9975
$$
PLATTThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 4:51 AM CST | Special Weather Statement | EWX | Dimmit | 39 min |
| Feb 11, 5:22 AM CST | Special Weather Statement | EWX | Zavala | 53 min |
| Feb 11, 6:39 AM CST | Special Weather Statement | EWX | Uvalde | 51 min |
| Feb 11, 7:25 AM CST | Special Weather Statement | EWX | Uvalde | 50 min |
| Feb 11, 8:45 AM CST | Winter Storm Warning | EWX | Blanco, Burnet, Edwards, Gillespie, Kendall, Kerr and 3 more | 15 hr |
Nearby
Severe Thunderstorm Warnings in Texas, 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.