Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 52, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 23, 2021, 4:39 PM CDT for Maverick County, Zavala County, Texas. It was in force for 51 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
- Apr 23, 2021, 4:39 PM CDT (21:39 UTC)
- Expired
- Apr 23, 2021, 5:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Maverick County, TX, Zavala County, TX
The radar
The Laughlin AFB radar (KDFX), 56 km from the middle of the area, began a volume at 21:39 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, 9.7 hours before the alert went out and 89 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
- 618 J/kg
- Mixed-layer CIN
- -183 J/kg
- Mixed-layer LCL
- 561 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 221 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted.
381
WUUS54 KEWX 232139
SVREWX
TXC323-507-232230-
/O.NEW.KEWX.SV.W.0052.210423T2139Z-210423T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
439 PM CDT Fri Apr 23 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Northeastern Maverick County in south central Texas...
Southwestern Zavala County in south central Texas...
* Until 530 PM CDT.
* At 439 PM CDT, a severe thunderstorm was located near Paloma, or 9
miles northeast of Eagle Pass, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Cometa, Paloma, Radar Base, Las Colonias, Siesta Acres, Elm Creek,
Seco Mines and Fabrica.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail, damaging winds, and continuous cloud to ground lightning
are occurring with this storm. Move indoors immediately. Lightning is
one of nature's leading killers. Remember, if you can hear thunder,
you are close enough to be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2875 10051 2876 10052 2893 10049 2890 9984
2865 9988 2864 9995
TIME...MOT...LOC 2139Z 276DEG 32KT 2883 10042
HAIL...1.00IN
WIND...60MPH
$$
BRADY3 follow-up statements
999
WWUS54 KEWX 232153
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
453 PM CDT Fri Apr 23 2021
TXC323-507-232230-
/O.CON.KEWX.SV.W.0052.000000T0000Z-210423T2230Z/
Maverick TX-Zavala TX-
453 PM CDT Fri Apr 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR NORTHEASTERN MAVERICK AND SOUTHWESTERN ZAVALA COUNTIES...
At 453 PM CDT, a severe thunderstorm was located 10 miles southeast
of Paloma, or 14 miles northeast of Eagle Pass, moving east at 35
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Las Colonias.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2873 10037 2891 10034 2890 9988 2890 9984
2865 9988 2865 9990
TIME...MOT...LOC 2153Z 276DEG 32KT 2882 10027
HAIL...1.00IN
WIND...60MPH
$$
BRADY629
WWUS54 KEWX 232212
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
512 PM CDT Fri Apr 23 2021
TXC323-232222-
/O.CAN.KEWX.SV.W.0052.000000T0000Z-210423T2230Z/
Maverick TX-
512 PM CDT Fri Apr 23 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MAVERICK COUNTY
IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 2872 10011 2889 10011 2890 9984 2866 9988
TIME...MOT...LOC 2212Z 276DEG 32KT 2880 10008
$$
TXC507-232230-
/O.CON.KEWX.SV.W.0052.000000T0000Z-210423T2230Z/
Zavala TX-
512 PM CDT Fri Apr 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHWESTERN ZAVALA COUNTY...
At 512 PM CDT, a severe thunderstorm was located 10 miles north of
Cometa, or 17 miles northwest of Crystal City, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Las Colonias.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2872 10011 2889 10011 2890 9984 2866 9988
TIME...MOT...LOC 2212Z 276DEG 32KT 2880 10008
HAIL...1.00IN
WIND...60MPH
$$
BRADY536
WWUS54 KEWX 232226
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
526 PM CDT Fri Apr 23 2021
TXC507-232236-
/O.EXP.KEWX.SV.W.0052.000000T0000Z-210423T2230Z/
Zavala TX-
526 PM CDT Fri Apr 23 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN ZAVALA COUNTY
WILL EXPIRE AT 530 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 heavy rain are still possible with this thunderstorm.
LAT...LON 2872 10011 2889 10011 2890 9984 2866 9988
TIME...MOT...LOC 2226Z 276DEG 32KT 2879 9994
$$
BRADYThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 12:19 PM CDT | Special Weather Statement | EWX | Comal | 41 min |
| Apr 23, 12:59 PM CDT | Special Weather Statement | EWX | Hays | 31 min |
| Apr 23, 1:17 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell, Guadalupe | 23 min |
| Apr 23, 1:31 PM CDT | Areal Flood Advisory | EWX | Caldwell, Guadalupe | 3 hr |
| Apr 23, 1:43 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Travis | 25 min |
| Apr 23, 2:03 PM CDT | Areal Flood Advisory | EWX | Bastrop, Travis | 3 hr |
| Apr 23, 3:29 PM CDT | Areal Flood Advisory | EWX | Bastrop, Lee | 3 hr |
| Apr 23, 4:15 PM CDT | Special Weather Statement | EWX | Maverick | 30 min |
| Apr 23, 5:25 PM CDT | Special Weather Statement | EWX | Zavala | 50 min |
| Apr 23, 6:05 PM CDT | Special Weather Statement | EWX | Frio | 55 min |
| Apr 23, 6:29 PM CDT | Special Weather Statement | EWX | Bexar | 61 min |
| Apr 23, 6:45 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Guadalupe | 45 min |
| Apr 23, 6:52 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Frio | 53 min |
| Apr 23, 6:59 PM CDT | Special Weather Statement | EWX | Atascosa | 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.