Alert archive / Texas / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 165, 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, 8:29 PM CDT for Burnet County, Llano County, Texas. It was in force for 61 min. 2 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: Jun 2, 2021, 8:29 PM CDT (01:29 UTC)
Expired: Jun 2, 2021, 9:30 PM CDT
In force: 61 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Burnet County, TX, Llano County, TX

The radar

The Ft Hood radar (KGRK), 94 km from the middle of the area, began a volume at 01:30 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

Time	Report	Where	Remark
Jun 2, 8:45 PM CDT	TSTM WND DMG	Kingsland, TX	LARGE TREE DOWN AT THE 1000 BLOCK OF GILMOORE IN KINGSLAND.
Jun 2, 9:16 PM CDT	HAIL 0.5	Burnet, TX	REPORT FROM MPING: HALF-INCH (0.50 IN.).

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

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 1.5 hours before the alert went out and 254 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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.

503 
WUUS54 KEWX 030129
SVREWX
TXC053-299-030230-
/O.NEW.KEWX.SV.W.0165.210603T0129Z-210603T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
829 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 930 PM CDT.

* At 829 PM CDT, a severe thunderstorm was located over Bluffton, or
  near Buchanan Dam, moving east at 10 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Burnet, Marble Falls, Kingsland, Buchanan Dam, Gainesville,
  Buchanan Lake Village, Inks Lake State Park, Bluffton, Oatmeal,
  Lake Victor, Sunnylane, Longhorn Cavern State Park and Tow.

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.

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 3064 9857 3088 9852 3095 9809 3059 9809
TIME...MOT...LOC 0129Z 273DEG 7KT 3081 9848 

HAIL...1.00IN
WIND...<50MPH
 
$$

PLATT

1 follow-up statement

421 
WWUS54 KEWX 030157
SVSEWX

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

TXC299-030206-
/O.CAN.KEWX.SV.W.0165.000000T0000Z-210603T0230Z/
Llano TX-
857 PM CDT Wed Jun 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LLANO 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 3059 9809 3062 9839 3063 9839 3074 9838
      3074 9837 3075 9838 3090 9837 3095 9809
TIME...MOT...LOC 0156Z 273DEG 6KT 3076 9828 

$$

TXC053-030230-
/O.CON.KEWX.SV.W.0165.000000T0000Z-210603T0230Z/
Burnet TX-
857 PM CDT Wed Jun 2 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR NORTHWESTERN BURNET COUNTY...

At 856 PM CDT, a severe thunderstorm was located over Burnet, 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, Marble Falls, Lake Victor, Inks Lake State Park, Sunnylane,
Longhorn Cavern State Park and Oatmeal.

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 3059 9809 3062 9839 3063 9839 3074 9838
      3074 9837 3075 9838 3090 9837 3095 9809
TIME...MOT...LOC 0156Z 273DEG 6KT 3076 9828 

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

PLATT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 7:37 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Llano	53 min
Jun 2, 7:59 PM CDT	Areal Flood Advisory	EWX	Burnet, Llano	3 hr
Jun 2, 8:23 PM CDT	Areal Flood Advisory	EWX	Williamson	3 hr
Jun 2, 8:41 PM CDT	Special Weather Statement	EWX	Travis	49 min
Jun 2, 8:50 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Burnet, Williamson	3 hr
Jun 2, 9:17 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Travis, Williamson	58 min
Jun 2, 9:50 PM CDT	Special Weather Statement	EWX	Lee	40 min
Jun 2, 9:52 PM CDT	Special Weather Statement	EWX	Williamson	38 min
Jun 2, 10:14 PM CDT	Special Weather Statement	EWX	Bastrop, Travis	46 min
Jun 3, 8:21 AM CDT	Areal Flood Advisory	EWX	Llano	3 hr
Jun 3, 9:42 AM CDT	Areal Flood Advisory	EWX	Blanco, Gillespie, Hays, Kendall	3 hr
Jun 3, 12:34 PM CDT	Areal Flood Advisory	EWX	Atascosa, Bexar, Wilson	3 hr
Jun 3, 1:45 PM CDT	Areal Flood Advisory	EWX	Bastrop, Lee, Travis	2 hr
Jun 3, 1:51 PM CDT	Areal Flood Advisory	EWX	Bexar, DeWitt, Gonzales, Guadalupe, Karnes, Wilson	3 hr
Jun 3, 2:42 PM CDT	Areal Flood Advisory	EWX	Atascosa, Karnes, Wilson	4 hr
Jun 3, 2:49 PM CDT	River Flood Warning	EWX	Blanco	6 hr
Jun 3, 3:44 PM CDT	Areal Flood Advisory	EWX	DeWitt, Lavaca	5 hr
Jun 3, 5:03 PM CDT	Areal Flood Advisory	EWX	DeWitt, Gonzales, Guadalupe, Karnes, Wilson	3 hr
Jun 3, 5:22 PM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Fayette, Gonzales, Guadalupe, Lavaca	3 hr
Jun 3, 6:05 PM CDT	River Flood Warning	EWX	DeWitt	3 days
Jun 3, 6:45 PM CDT	Areal Flood Advisory	EWX	Karnes, Wilson	2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2021 Every 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.