Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 10, NWS Austin/San Antonio, TX

March 22, 20215 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 22, 2021, 11:31 PM CDT for 5 counties in Texas. It was in force for 59 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Mar 22, 2021, 11:31 PM CDT (04:31 UTC)
Expired
Mar 23, 2021, 12:30 AM CDT
In force
59 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Bandera County, TX, Edwards County, TX, Medina County, TX, Real County, TX, Uvalde County, TX

The radar

The Laughlin AFB radar (KDFX), 82 km from the middle of the area, began a volume at 04:35 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.

What was reported inside it

TimeReportWhereRemark
Mar 22, 11:50 PM CDTHAIL 21 N Leakey, TXPUBLIC REPORT WITH PICTURES OF APPROXIMATELY 2 INCH HAIL THAT OCCURRED JUST NORTH OF LEAKEY. TIME ESTIMATED VIA RADAR.
Mar 22, 11:50 PM CDTHAIL 31 N Leakey, TXNEW MEASUREMENT OF A 3 INCH HAILSTONE. CORRECTS PREVIOUS HAIL REPORT FROM 1 N LEAKEY. PUBLIC REPORT WITH PICTURES OF APPROXIMATELY 2 INCH HAIL THAT OCCURRED JUST NORTH OF LEAKEY. TIME ESTIMATED VIA RADAR.
Mar 22, 11:55 PM CDTHAIL 15 Ne Leakey, TXREPORT VIA SOCIAL MEDIA OF HAIL 5 MILES NE OF LEAKEY. PICTURE SHOWS 1/2 INCH TO 1 INCH HAIL.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 22, 11:10 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 4.5 hours before the alert went out and 120 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.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 2021-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1091 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2021-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 204 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
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

Open this sounding in Storm Lab

The text

As transmitted.

522 
WUUS54 KEWX 230431
SVREWX
TXC019-137-325-385-463-230530-
/O.NEW.KEWX.SV.W.0010.210323T0431Z-210323T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
1131 PM CDT Mon Mar 22 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Northwestern Medina County in south central Texas...
  Southwestern Bandera County in south central Texas...
  Northeastern Uvalde County in south central Texas...
  South central Edwards County in south central Texas...
  Real County in south central Texas...

* Until 1230 AM CDT.

* At 1131 PM CDT, a severe thunderstorm was located near Vance, or 12
  miles northwest of Leakey, moving southeast at 35 mph.

  HAZARD...60 mph wind gusts and half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Leakey, Vanderpool, Camp Wood, Barksdale, Tuff, Rio Frio, Concan,
  Vance, Garner State Park, Reagan Wells, Utopia, Lost Maples State
  Natural Area and Prade Ranch.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2993 9969 2991 9969 2991 9966 2963 9927
      2937 9962 2977 10019 3002 9982
TIME...MOT...LOC 0431Z 305DEG 32KT 2982 9995 

HAIL...1.25IN
WIND...60MPH
 
$$

EW
2 follow-up statements
032 
WWUS54 KEWX 230457
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1157 PM CDT Mon Mar 22 2021

TXC137-230506-
/O.CAN.KEWX.SV.W.0010.000000T0000Z-210323T0530Z/
Edwards TX-
1157 PM CDT Mon Mar 22 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL EDWARDS COUNTY
IS CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central Texas.

LAT...LON 2993 9969 2991 9969 2991 9966 2963 9927
      2940 9958 2975 9994 2993 9970
TIME...MOT...LOC 0456Z 298DEG 32KT 2976 9968 

$$

TXC019-325-385-463-230530-
/O.CON.KEWX.SV.W.0010.000000T0000Z-210323T0530Z/
Medina TX-Bandera TX-Uvalde TX-Real TX-
1157 PM CDT Mon Mar 22 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR NORTHWESTERN MEDINA...SOUTHWESTERN BANDERA...NORTHEASTERN UVALDE
AND SOUTHEASTERN REAL COUNTIES...

At 1156 PM CDT, a severe thunderstorm was located near Tuff, or near
Leakey, moving southeast at 35 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Leakey, Vanderpool, Garner State Park, Tuff, Rio Frio, Utopia and
Lost Maples State Natural Area.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2993 9969 2991 9969 2991 9966 2963 9927
      2940 9958 2975 9994 2993 9970
TIME...MOT...LOC 0456Z 298DEG 32KT 2976 9968 

HAIL...1.25IN
WIND...60MPH
 
$$

EW
575 
WWUS54 KEWX 230516
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
1216 AM CDT Tue Mar 23 2021

TXC385-230526-
/O.CAN.KEWX.SV.W.0010.000000T0000Z-210323T0530Z/
Real TX-
1216 AM CDT Tue Mar 23 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN REAL COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
south central Texas.

LAT...LON 2963 9927 2945 9952 2946 9952 2963 9965
      2963 9960 2973 9960 2982 9954
TIME...MOT...LOC 0516Z 305DEG 32KT 2966 9951 

$$

TXC019-325-463-230530-
/O.CON.KEWX.SV.W.0010.000000T0000Z-210323T0530Z/
Medina TX-Bandera TX-Uvalde TX-
1216 AM CDT Tue Mar 23 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1230 AM CDT
FOR NORTHWESTERN MEDINA...SOUTHWESTERN BANDERA AND NORTHEASTERN
UVALDE COUNTIES...

At 1216 AM CDT, a severe thunderstorm was located over Utopia, or
near Vanderpool, moving southeast at 35 mph.

HAZARD...60 mph wind gusts and half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees.

Locations impacted include...
Vanderpool and Utopia. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 2963 9927 2945 9952 2946 9952 2963 9965
      2963 9960 2973 9960 2982 9954
TIME...MOT...LOC 0516Z 305DEG 32KT 2966 9951 

HAIL...1.25IN
WIND...60MPH
 
$$

EW

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 22, 8:32 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano58 min
Mar 22, 9:02 PM CDTSpecial Weather StatementEWXBlanco, Gillespie, Llano43 min
Mar 22, 9:14 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano, Williamson61 min
Mar 22, 9:16 PM CDTSevere Thunderstorm WarningEWXBlanco, Burnet, Gillespie, Llano59 min
Mar 22, 9:58 PM CDTSevere Thunderstorm WarningEWXBurnet, Williamson62 min
Mar 22, 10:05 PM CDTSevere Thunderstorm WarningEWXBandera, Blanco, Comal, Kendall, Kerr55 min
Mar 22, 10:11 PM CDTSevere Thunderstorm WarningEWXBlanco, Burnet, Gillespie, Hays, Travis64 min
Mar 22, 10:26 PM CDTTornado WarningEWXWilliamson27 min
Mar 22, 10:34 PM CDTSpecial Weather StatementEWXGillespie41 min
Mar 22, 10:56 PM CDTSevere Thunderstorm WarningEWXWilliamson41 min
Mar 22, 10:57 PM CDTSpecial Weather StatementEWXComal, Hays, Kendall48 min
Mar 22, 11:02 PM CDTSpecial Weather StatementEWXTravis58 min
Mar 22, 11:34 PM CDTSpecial Weather StatementEWXBandera, Kendall, Kerr41 min
Mar 22, 11:44 PM CDTSevere Thunderstorm WarningEWXBandera, Gillespie, Kendall, Kerr, Medina61 min
Mar 22, 11:55 PM CDTSpecial Weather StatementEWXBastrop65 min
Mar 23, 12:25 AM CDTSpecial Weather StatementEWXLee65 min
Mar 23, 12:25 AM CDTSevere Thunderstorm WarningEWXBandera, Medina, Uvalde65 min
Mar 23, 12:35 AM CDTSevere Thunderstorm WarningEWXBandera, Bexar, Blanco, Comal, Hays, Kendall and 1 more55 min
Mar 23, 1:06 AM CDTTornado WarningEWXComal, Guadalupe, Hays24 min
Mar 23, 1:13 AM CDTSevere Thunderstorm WarningEWXBandera, Bexar, Comal, Guadalupe, Kendall, Medina and 1 more62 min
Mar 23, 1:19 AM CDTSpecial Weather StatementEWXMedina41 min
Mar 23, 1:26 AM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Comal, Gonzales, Guadalupe, Hays and 1 more64 min
Mar 23, 1:48 AM CDTSevere Thunderstorm WarningEWXAtascosa, Bexar, Frio, Medina34 min
Mar 23, 1:58 AM CDTSevere Thunderstorm WarningEWXGonzales, Guadalupe32 min
Mar 23, 2:13 AM CDTSevere Thunderstorm WarningEWXBexar, Gonzales, Guadalupe, Karnes, Wilson26 min
Mar 23, 2:16 AM CDTSevere Thunderstorm WarningEWXBastrop, Caldwell, Fayette, Gonzales, Guadalupe, Lavaca and 1 more59 min
Mar 23, 3:03 AM CDTSevere Thunderstorm WarningEWXFayette, Lavaca33 min
Mar 23, 3:43 AM CDTSpecial Weather StatementEWXDeWitt, Lavaca47 min
Mar 23, 4:07 AM CDTSevere Thunderstorm WarningEWXLavaca38 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.