Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 16, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 23, 2021, 1:48 AM CDT for 4 counties in Texas. It was in force for 34 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
- Mar 23, 2021, 1:48 AM CDT (06:48 UTC)
- Expired
- Mar 23, 2021, 2:22 AM CDT
- In force
- 34 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Atascosa County, TX, Bexar County, TX, Frio County, TX, Medina County, TX
The radar
The Austin/San Antonio radar (KEWX), 112 km from the middle of the area, began a volume at 06:48 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 |
|---|---|---|---|
| Mar 22, 11:10 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 6.8 hours before the alert went out and 181 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
- 1091 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 1422 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 225 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.6
The text
As transmitted.
344
WUUS54 KEWX 230648
SVREWX
TXC013-029-163-325-230745-
/O.NEW.KEWX.SV.W.0016.210323T0648Z-210323T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
148 AM CDT Tue Mar 23 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Southeastern Medina County in south central Texas...
Northeastern Frio County in south central Texas...
Northwestern Atascosa County in south central Texas...
Southwestern Bexar County in south central Texas...
* Until 245 AM CDT.
* At 147 AM CDT, a severe thunderstorm was located near Yancey, or 10
miles south of Hondo, 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...
Pleasanton, Hondo, Devine, Jourdanton, Poteet, Lytle, Somerset,
Natalia, Moore, Noonan, Bigfoot, Biry, Pearson, Yancey, Leming,
Iuka, Kyote, Amphion, Espey and Rossville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2910 9931 2926 9926 2934 9913 2918 9845
2889 9852
TIME...MOT...LOC 0647Z 283DEG 32KT 2920 9919
HAIL...1.00IN
WIND...60MPH
$$
EW2 follow-up statements
248
WWUS54 KEWX 230705
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
205 AM CDT Tue Mar 23 2021
TXC013-029-163-325-230745-
/O.CON.KEWX.SV.W.0016.000000T0000Z-210323T0745Z/
Medina TX-Frio TX-Atascosa TX-Bexar TX-
205 AM CDT Tue Mar 23 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR SOUTHEASTERN MEDINA...NORTHEASTERN FRIO...NORTHWESTERN ATASCOSA
AND SOUTHWESTERN BEXAR COUNTIES...
At 205 AM CDT, a severe thunderstorm was located near Biry, or near
Devine, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Pleasanton, Devine, Jourdanton, Poteet, Lytle, Somerset, Natalia,
Moore, Noonan, Bigfoot, Biry, Pearson, Leming, Iuka, Kyote, Amphion,
Espey and Rossville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 2905 9912 2919 9906 2930 9896 2918 9845
2889 9852
TIME...MOT...LOC 0705Z 283DEG 32KT 2916 9901
HAIL...1.00IN
WIND...60MPH
$$
EW377
WWUS54 KEWX 230722
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
222 AM CDT Tue Mar 23 2021
TXC013-029-163-325-230732-
/O.CAN.KEWX.SV.W.0016.000000T0000Z-210323T0745Z/
Medina TX-Frio TX-Atascosa TX-Bexar TX-
222 AM CDT Tue Mar 23 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MEDINA...
NORTHEASTERN FRIO...NORTHWESTERN ATASCOSA AND SOUTHWESTERN BEXAR
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.
A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central Texas.
LAT...LON 2905 9912 2919 9906 2930 9896 2918 9845
2889 9852
TIME...MOT...LOC 0720Z 283DEG 32KT 2913 9884
$$
EWThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 8:32 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano | 58 min |
| Mar 22, 9:02 PM CDT | Special Weather Statement | EWX | Blanco, Gillespie, Llano | 43 min |
| Mar 22, 9:14 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano, Williamson | 61 min |
| Mar 22, 9:16 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie, Llano | 59 min |
| Mar 22, 9:58 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Williamson | 62 min |
| Mar 22, 10:05 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Blanco, Comal, Kendall, Kerr | 55 min |
| Mar 22, 10:11 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie, Hays, Travis | 64 min |
| Mar 22, 10:26 PM CDT | Tornado Warning | EWX | Williamson | 27 min |
| Mar 22, 10:34 PM CDT | Special Weather Statement | EWX | Gillespie | 41 min |
| Mar 22, 10:56 PM CDT | Severe Thunderstorm Warning | EWX | Williamson | 41 min |
| Mar 22, 10:57 PM CDT | Special Weather Statement | EWX | Comal, Hays, Kendall | 48 min |
| Mar 22, 11:02 PM CDT | Special Weather Statement | EWX | Travis | 58 min |
| Mar 22, 11:31 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Edwards, Medina, Real, Uvalde | 59 min |
| Mar 22, 11:34 PM CDT | Special Weather Statement | EWX | Bandera, Kendall, Kerr | 41 min |
| Mar 22, 11:44 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Gillespie, Kendall, Kerr, Medina | 61 min |
| Mar 22, 11:55 PM CDT | Special Weather Statement | EWX | Bastrop | 65 min |
| Mar 23, 12:25 AM CDT | Special Weather Statement | EWX | Lee | 65 min |
| Mar 23, 12:25 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Uvalde | 65 min |
| Mar 23, 12:35 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Blanco, Comal, Hays, Kendall and 1 more | 55 min |
| Mar 23, 1:06 AM CDT | Tornado Warning | EWX | Comal, Guadalupe, Hays | 24 min |
| Mar 23, 1:13 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Comal, Guadalupe, Kendall, Medina and 1 more | 62 min |
| Mar 23, 1:19 AM CDT | Special Weather Statement | EWX | Medina | 41 min |
| Mar 23, 1:26 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Comal, Gonzales, Guadalupe, Hays and 1 more | 64 min |
| Mar 23, 1:58 AM CDT | Severe Thunderstorm Warning | EWX | Gonzales, Guadalupe | 32 min |
| Mar 23, 2:13 AM CDT | Severe Thunderstorm Warning | EWX | Bexar, Gonzales, Guadalupe, Karnes, Wilson | 26 min |
| Mar 23, 2:16 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Fayette, Gonzales, Guadalupe, Lavaca and 1 more | 59 min |
| Mar 23, 3:03 AM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lavaca | 33 min |
| Mar 23, 3:43 AM CDT | Special Weather Statement | EWX | DeWitt, Lavaca | 47 min |
| Mar 23, 4:07 AM CDT | Severe Thunderstorm Warning | EWX | Lavaca | 38 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.