Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 164, NWS Austin/San Antonio, TX

June 2, 2021Burnet County, Llano County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Jun 2, 2021, 7:37 PM CDT for Burnet County, Llano County, Texas. It was in force for 53 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 2, 2021, 7:37 PM CDT (00:37 UTC)
Expired
Jun 2, 2021, 8:30 PM CDT
In force
53 min
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Tornado
Possible
Hail
1.0 in
Wind
60.0 mph

Counties Burnet County, TX, Llano County, TX

The radar

The Ft Hood radar (KGRK), 104 km from the middle of the area, began a volume at 00:38 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

Fort Worth, TX (KFWD), launched 00:00Z, 0.6 hours before the alert went out and 239 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, Fort Worth, TX at 00:00Z on 2021-06-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 446 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, Fort Worth, TX at 00:00Z on 2021-06-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -12 square meters per square second.1939587897Sfc1 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
446 J/kg
Mixed-layer CIN
-21 J/kg
Mixed-layer LCL
1405 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-12 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

As transmitted.

621 
WUUS54 KEWX 030037
SVREWX
TXC053-299-030130-
/O.NEW.KEWX.SV.W.0164.210603T0037Z-210603T0130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
737 PM CDT Wed Jun 2 2021

The National Weather Service in Austin San Antonio has issued a

* Severe Thunderstorm Warning for...
  Northeastern Llano County in south central Texas...
  Northwestern Burnet County in south central Texas...

* Until 830 PM CDT.

* At 736 PM CDT, a severe thunderstorm was located over Baby Head, or
  11 miles north of Llano, moving east at 10 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...
  Burnet, Buchanan Lake Village, Baby Head, Bluffton, Lone Grove and
  Tow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3077 9826 3082 9877 3092 9874 3092 9842
      3094 9841 3095 9845 3096 9845 3098 9844
      3101 9846 3103 9844 3103 9830
TIME...MOT...LOC 0036Z 291DEG 10KT 3092 9866 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

PLATT
3 follow-up statements
515 
WWUS54 KEWX 030050
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
750 PM CDT Wed Jun 2 2021

TXC053-299-030130-
/O.CON.KEWX.SV.W.0164.000000T0000Z-210603T0130Z/
Llano TX-Burnet TX-
750 PM CDT Wed Jun 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHEASTERN LLANO AND NORTHWESTERN BURNET COUNTIES...

At 749 PM CDT, a severe thunderstorm was located near Baby Head, or
11 miles northeast of Llano, moving east at 15 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...
Burnet, Buchanan Lake Village, Baby Head, Bluffton, Lone Grove and
Tow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake Buchanan, get away from the water and move 
indoors or inside a vehicle. remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3081 9869 3092 9868 3092 9842 3094 9841
      3095 9845 3096 9845 3098 9844 3101 9846
      3103 9844 3103 9830 3077 9826
TIME...MOT...LOC 0049Z 288DEG 11KT 3091 9860 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

PLATT
672 
WWUS54 KEWX 030053 CCA
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
753 PM CDT Wed Jun 2 2021

TXC053-299-030130-
/O.COR.KEWX.SV.W.0164.000000T0000Z-210603T0130Z/
Llano TX-Burnet TX-
753 PM CDT Wed Jun 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHEASTERN LLANO AND NORTHWESTERN BURNET COUNTIES...

At 752 PM CDT, a severe thunderstorm was located near Baby Head, or
11 miles northeast of Llano, moving east at 15 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...
Burnet, Buchanan Lake Village, Baby Head, Bluffton, Lone Grove and
Tow.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake Buchanan, get away from the water and move 
indoors or inside a vehicle. remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3081 9869 3092 9868 3092 9842 3094 9841
      3095 9845 3096 9845 3098 9844 3101 9846
      3103 9844 3103 9830 3077 9826
TIME...MOT...LOC 0049Z 288DEG 11KT 3091 9860 

HAIL...1.00IN
WIND...60MPH
 
$$

PLATT
001 
WWUS54 KEWX 030116
SVSEWX

Severe Weather Statement
National Weather Service Austin/San Antonio TX
816 PM CDT Wed Jun 2 2021

TXC053-299-030130-
/O.CON.KEWX.SV.W.0164.000000T0000Z-210603T0130Z/
Llano TX-Burnet TX-
816 PM CDT Wed Jun 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR NORTHEASTERN LLANO AND NORTHWESTERN BURNET COUNTIES...

At 815 PM CDT, a severe thunderstorm was located over Lone Grove, or
9 miles northwest of Buchanan Dam, moving east at 10 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...
Burnet, Buchanan Lake Village, Bluffton, Lone Grove and Tow. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

If on or near Lake Buchanan, get away from the water and move 
indoors or inside a vehicle. remember, lightning can strike out to 
15 miles from the parent thunderstorm. If you can hear thunder, you 
are close enough to be struck by lightning. Move to safe shelter 
now!  Do not be caught on the water in a thunderstorm.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3080 9861 3092 9860 3092 9828 3077 9826
TIME...MOT...LOC 0115Z 273DEG 9KT 3084 9854 

HAIL...1.00IN
WIND...60MPH
 
$$

PLATT

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 7:59 PM CDTAreal Flood AdvisoryEWXBurnet, Llano3 hr
Jun 2, 8:23 PM CDTAreal Flood AdvisoryEWXWilliamson3 hr
Jun 2, 8:29 PM CDTSevere Thunderstorm WarningEWXBurnet, Llano61 min
Jun 2, 8:41 PM CDTSpecial Weather StatementEWXTravis49 min
Jun 2, 8:50 PM CDTFlash Flood Warning Considerable damage threatEWXBurnet, Williamson3 hr
Jun 2, 9:17 PM CDTSevere Thunderstorm WarningEWXBurnet, Travis, Williamson58 min
Jun 2, 9:50 PM CDTSpecial Weather StatementEWXLee40 min
Jun 2, 9:52 PM CDTSpecial Weather StatementEWXWilliamson38 min
Jun 2, 10:14 PM CDTSpecial Weather StatementEWXBastrop, Travis46 min
Jun 3, 8:21 AM CDTAreal Flood AdvisoryEWXLlano3 hr
Jun 3, 9:42 AM CDTAreal Flood AdvisoryEWXBlanco, Gillespie, Hays, Kendall3 hr
Jun 3, 12:34 PM CDTAreal Flood AdvisoryEWXAtascosa, Bexar, Wilson3 hr
Jun 3, 1:45 PM CDTAreal Flood AdvisoryEWXBastrop, Lee, Travis2 hr
Jun 3, 1:51 PM CDTAreal Flood AdvisoryEWXBexar, DeWitt, Gonzales, Guadalupe, Karnes, Wilson3 hr
Jun 3, 2:42 PM CDTAreal Flood AdvisoryEWXAtascosa, Karnes, Wilson4 hr
Jun 3, 2:49 PM CDTRiver Flood WarningEWXBlanco6 hr
Jun 3, 3:44 PM CDTAreal Flood AdvisoryEWXDeWitt, Lavaca5 hr
Jun 3, 5:03 PM CDTAreal Flood AdvisoryEWXDeWitt, Gonzales, Guadalupe, Karnes, Wilson3 hr
Jun 3, 5:22 PM CDTAreal Flood AdvisoryEWXBastrop, Caldwell, Fayette, Gonzales, Guadalupe, Lavaca3 hr
Jun 3, 6:05 PM CDTRiver Flood WarningEWXDeWitt3 days
Jun 3, 6:45 PM CDTAreal Flood AdvisoryEWXKarnes, Wilson2 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.