Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 111, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 10, 2021, 6:00 PM CDT for Edwards County, Val Verde County, Texas. It was in force for 60 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
- May 10, 2021, 6:00 PM CDT (23:00 UTC)
- Expired
- May 10, 2021, 7:00 PM CDT
- In force
- 60 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Edwards County, TX, Val Verde County, TX
The radar
The Laughlin AFB radar (KDFX), 81 km from the middle of the area, began a volume at 23:04 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 10, 1:48 PM CDT | Severe Thunderstorm Watch | SPC | 10 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 12:00Z, 11.0 hours before the alert went out and 59 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
- 2989 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 828 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.7
The text
As transmitted.
481 WUUS54 KEWX 102300 SVREWX TXC137-465-110000- /O.NEW.KEWX.SV.W.0111.210510T2300Z-210511T0000Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Austin/San Antonio TX 600 PM CDT Mon May 10 2021 The National Weather Service in Austin San Antonio has issued a * Severe Thunderstorm Warning for... West central Edwards County in south central Texas... East central Val Verde County in south central Texas... * Until 700 PM CDT. * At 600 PM CDT, a severe thunderstorm was located near Loma Alta, moving east at 20 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * Locations impacted include... Loma Alta, Carta Valley, Vinegarone and Devils River State Nat Area Del Norte. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2976 10089 2994 10095 3016 10055 2985 10032 TIME...MOT...LOC 2300Z 253DEG 19KT 2987 10081 HAIL...1.25IN WIND...<50MPH $$ KCW
2 follow-up statements
550 WWUS54 KEWX 102336 SVSEWX Severe Weather Statement National Weather Service Austin/San Antonio TX 636 PM CDT Mon May 10 2021 TXC137-465-110000- /O.CON.KEWX.SV.W.0111.000000T0000Z-210511T0000Z/ Edwards TX-Val Verde TX- 636 PM CDT Mon May 10 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR WEST CENTRAL EDWARDS AND EAST CENTRAL VAL VERDE COUNTIES... At 635 PM CDT, a severe thunderstorm was located 8 miles northeast of Carta Valley, or 11 miles east of Loma Alta, moving east at 40 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. Locations impacted include... Loma Alta, Carta Valley and Vinegarone. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 2979 10073 3002 10081 3016 10055 2985 10032 TIME...MOT...LOC 2335Z 267DEG 33KT 2990 10059 HAIL...1.00IN WIND...<50MPH $$ BRADY
497
WWUS54 KEWX 102353
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
653 PM CDT Mon May 10 2021
TXC137-465-110002-
/O.EXP.KEWX.SV.W.0111.000000T0000Z-210511T0000Z/
Edwards TX-Val Verde TX-
653 PM CDT Mon May 10 2021
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL EDWARDS AND EAST
CENTRAL VAL VERDE COUNTIES WILL EXPIRE AT 700 PM CDT...
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 will be allowed to expire. However small hail
and gusty winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central Texas.
Remember, a Severe Thunderstorm Warning still remains in effect for
northwestern Edwards and northeastern Val Verde Counties until 715
PM CDT.
LAT...LON 2979 10073 3002 10081 3016 10055 2985 10032
TIME...MOT...LOC 2352Z 253DEG 19KT 2993 10049
$$
BRADYThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 7:08 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Llano | 67 min |
| May 9, 7:47 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Gillespie, Kendall | 58 min |
| May 9, 9:53 PM CDT | Special Weather Statement | EWX | Gillespie | 52 min |
| May 10, 3:19 PM CDT | Special Weather Statement | EWX | Real | 41 min |
| May 10, 3:44 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Real | 46 min |
| May 10, 4:21 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Kerr, Real | 37 min |
| May 10, 5:56 PM CDT | Special Weather Statement | EWX | Edwards | 49 min |
| May 10, 6:17 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 58 min |
| May 10, 6:49 PM CDT | Special Weather Statement | EWX | Dimmit, Maverick | 41 min |
| May 10, 6:59 PM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Zavala | 61 min |
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.