Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 162, NWS Austin/San Antonio, TX

June 1, 20214 counties in Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 1, 2021, 12:55 AM CDT for 4 counties in Texas. It was in force for 65 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
Jun 1, 2021, 12:55 AM CDT (05:55 UTC)
Expired
Jun 1, 2021, 2:00 AM CDT
In force
65 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Hail
1.0 in
Wind
70.0 mph

Counties Dimmit County, TX, Frio County, TX, Maverick County, TX, Zavala County, TX

The radar

The Laughlin AFB radar (KDFX), 91 km from the middle of the area, began a volume at 05:54 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.

IssuedProductOfficeLasted
May 31, 7:17 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 5.9 hours before the alert went out and 131 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 2021-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2624 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2021-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.19395878Sfc1 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
2624 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
922 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
2.8
Supercell composite
11.0

Open this sounding in Storm Lab

The text

As transmitted.

652 
WUUS54 KEWX 010555
SVREWX
TXC127-163-323-507-010700-
/O.NEW.KEWX.SV.W.0162.210601T0555Z-210601T0700Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
1255 AM CDT Tue Jun 1 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Eastern Maverick County in south central Texas...
  Dimmit County in south central Texas...
  Zavala County in south central Texas...
  Western Frio County in south central Texas...

* Until 200 AM CDT.

* At 1255 AM CDT, severe thunderstorms were located along a line
  extending from 13 miles west of La Pryor to near Cometa to 11 miles
  east of El Indio, moving east at 40 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings.

* Locations impacted include...
  Crystal City, Carrizo Springs, Dilley, Big Wells, La Pryor,
  Batesville, El Indio, Asherton, Chula Vista-River Spur, Hilltop,
  Las Colonias, Brundage, Chaparral Wildlife Management Area, Light,
  Carrizo Hill, Loma Vista, Gilson Groves, Las Vegas, Bluff and
  Washer.

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 these storms. 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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2823 10022 2824 10026 2828 10029 2831 10028
      2839 10035 2861 10026 2901 10040 2909 9962
      2909 9933 2867 9916 2864 9917 2864 9939
      2821 9940 2820 10021
TIME...MOT...LOC 0555Z 269DEG 33KT 2897 10006 2866 9995 2849 10012 

HAIL...1.00IN
WIND...70MPH
 
$$

BRADY
2 follow-up statements
305 
WWUS54 KEWX 010629
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
129 AM CDT Tue Jun 1 2021

TXC323-010639-
/O.CAN.KEWX.SV.W.0162.000000T0000Z-210601T0700Z/
Maverick TX-
129 AM CDT Tue Jun 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MAVERICK COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
south central Texas.

LAT...LON 2904 10011 2909 9964 2909 9933 2866 9916
      2864 9917 2864 9939 2821 9940 2820 10011
TIME...MOT...LOC 0629Z 271DEG 28KT 2899 9980 2864 9966 2823 10000 

$$

TXC127-163-507-010700-
/O.CON.KEWX.SV.W.0162.000000T0000Z-210601T0700Z/
Dimmit TX-Zavala TX-Frio TX-
129 AM CDT Tue Jun 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR DIMMIT...ZAVALA AND WESTERN FRIO COUNTIES...

At 129 AM CDT, severe thunderstorms were located along a line
extending from near La Pryor to near Brundage to near Chupadera Ranch
Airport, moving east at 35 mph.

HAZARD...70 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings.

Locations impacted include...
Crystal City, Carrizo Springs, Dilley, Big Wells, La Pryor,
Batesville, Asherton, Chula Vista-River Spur, Hilltop, Washer, Las
Colonias, Winter Haven, Cometa, Brundage, Chaparral Wildlife
Management Area, Light, Carrizo Hill, Divot, Loma Vista and Gilson
Groves.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with these storms.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2904 10011 2909 9964 2909 9933 2866 9916
      2864 9917 2864 9939 2821 9940 2820 10011
TIME...MOT...LOC 0629Z 271DEG 28KT 2899 9980 2864 9966 2823 10000 

HAIL...0.75IN
WIND...70MPH
 
$$

BRADY
488 
WWUS54 KEWX 010647
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
147 AM CDT Tue Jun 1 2021

TXC127-163-507-010700-
/O.CON.KEWX.SV.W.0162.000000T0000Z-210601T0700Z/
Dimmit TX-Zavala TX-Frio TX-
147 AM CDT Tue Jun 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR DIMMIT...ZAVALA AND WESTERN FRIO COUNTIES...

At 147 AM CDT, severe thunderstorms were located along a line
extending from near Batesville to 6 miles north of Las Vegas to near
Gilson Groves, moving east at 40 mph.

These are very dangerous storms.

HAZARD...80 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be heavily damaged. Expect 
         considerable damage to roofs, windows, and vehicles. 
         Extensive tree damage and power outages are likely.

Locations impacted include...
Crystal City, Carrizo Springs, Dilley, Big Wells, La Pryor,
Batesville, Asherton, Chula Vista-River Spur, Hilltop, Washer, Las
Colonias, Winter Haven, Brundage, Chaparral Wildlife Management Area,
Light, Carrizo Hill, Divot, Loma Vista, Gilson Groves and Catarina.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.

Continuous cloud to ground lightning is occurring with these storms.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 2820 10008 2866 9994 2905 10002 2909 9964
      2909 9933 2866 9916 2864 9917 2864 9939
      2821 9940
TIME...MOT...LOC 0647Z 269DEG 33KT 2899 9963 2864 9950 2823 9984 

HAIL...0.75IN
WIND...80MPH
 
$$

BRADY

The office that day

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

IssuedProductOfficeCountiesLasted
May 31, 8:31 PM CDTSpecial Weather StatementEWXVal Verde44 min
May 31, 8:35 PM CDTSpecial Weather StatementEWXVal Verde40 min
May 31, 9:14 PM CDTSpecial Weather StatementEWXVal Verde46 min
May 31, 9:23 PM CDTSevere Thunderstorm WarningEWXVal Verde43 min
May 31, 9:48 PM CDTFlash Flood Warning Considerable damage threatEWXVal Verde2 hr
May 31, 10:22 PM CDTAreal Flood AdvisoryEWXWilliamson3 hr
May 31, 10:38 PM CDTSpecial Weather StatementEWXKinney52 min
May 31, 11:00 PM CDTAreal Flood AdvisoryEWXKinney, Maverick26 min
May 31, 11:15 PM CDTSevere Thunderstorm WarningEWXKinney, Maverick60 min
May 31, 11:26 PM CDTFlash Flood Warning Considerable damage threatEWXKinney, Maverick3 hr
May 31, 11:32 PM CDTSpecial Weather StatementEWXGillespie43 min
May 31, 11:47 PM CDTFlash Flood Warning Considerable damage threatEWXMaverick3 hr
May 31, 11:51 PM CDTSpecial Weather StatementEWXMaverick24 min
Jun 1, 12:08 AM CDTSevere Thunderstorm WarningEWXDimmit, Maverick, Zavala67 min
Jun 1, 12:14 AM CDTAreal Flood AdvisoryEWXGillespie3 hr
Jun 1, 12:44 AM CDTFlash Flood Warning Considerable damage threatEWXDimmit, Maverick, Zavala3 hr
Jun 1, 12:54 AM CDTAreal Flood AdvisoryEWXBlanco, Burnet, Llano3 hr
Jun 1, 1:19 AM CDTAreal Flood AdvisoryEWXTravis, Williamson3 hr
Jun 1, 1:36 AM CDTAreal Flood AdvisoryEWXBexar, Medina3 hr
Jun 1, 1:57 AM CDTSevere Thunderstorm WarningEWXDimmit, Frio, Zavala63 min
Jun 1, 2:08 AM CDTAreal Flood AdvisoryEWXDimmit, Zavala4 hr
Jun 1, 2:34 AM CDTAreal Flood AdvisoryEWXBastrop, Caldwell, Lee3 hr
Jun 1, 2:56 AM CDTAreal Flood AdvisoryEWXAtascosa, Bexar, Frio, Medina3 hr
Jun 1, 2:56 AM CDTSpecial Weather StatementEWXFrio49 min
Jun 1, 3:13 AM CDTAreal Flood AdvisoryEWXGonzales3 hr
Jun 1, 3:34 AM CDTAreal Flood AdvisoryEWXAtascosa2 hr
Jun 1, 3:40 AM CDTAreal Flood AdvisoryEWXDimmit, Maverick, Zavala2 hr
Jun 1, 3:57 AM CDTAreal Flood AdvisoryEWXKarnes, Wilson2 hr
Jun 1, 4:34 AM CDTAreal Flood AdvisoryEWXDeWitt, Karnes3 hr
Jun 1, 5:07 AM CDTFlash Flood Warning Considerable damage threatEWXDeWitt, Gonzales, Karnes3 hr
Jun 1, 6:02 AM CDTSpecial Weather StatementEWXBexar, Comal, Guadalupe58 min
Jun 1, 7:39 AM CDTRiver Flood WarningEWXWilliamson6 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.