Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 4, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 22, 2021, 9:14 PM CDT for Burnet County, Llano County, Williamson County, Texas. It was in force for 61 min. 6 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, 9:14 PM CDT (02:14 UTC)
- Expired
- Mar 22, 2021, 10:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.75 in
- Wind
- 60.0 mph
Counties Burnet County, TX, Llano County, TX, Williamson County, TX
The radar
The Ft Hood radar (KGRK), 73 km from the middle of the area, began a volume at 02:17 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 |
|---|---|---|---|
| Mar 22, 9:19 PM CDT | HAIL 1.75 | 3 Ne Buchanan Dam, TX | SHERIFF REPORTS PARTS OF FM 690 AND PARTS OF CR 108 AND CR 110 COVERED IN HAIL FROM QUARTER TO GOLF BALL SIZES. TIME ESTIMATED VIA RADAR. |
| Mar 22, 9:24 PM CDT | HAIL 2.5 | 4 Nne Buchanan Dam, TX | MEASURED REPORT OF 2 TO 2.5 INCH HAIL ON THE EAST SIDE OF LAKE BUCHANAN. TIME ESTIMATED VIA RADAR. |
| Mar 22, 9:25 PM CDT | HAIL 1.75 | 6 Ese Buchanan Lake Vil, TX | PUBLIC REPORTS OF PING-PONG TO GOLF BALL SIZED HAIL ON THE EAST SHORT OF LAKE BUCHANAN. SEVERAL REPORTS ROLLING IN ON SOCIAL MEDIA. |
| Mar 22, 9:25 PM CDT | HAIL 3 | 5 Nnw Burnet, TX | A COCORAHS OBSERVER REPORTED THREE HAIL DENTED CARS NORTH OF BURNET. |
| Mar 22, 9:30 PM CDT | HAIL 3 | 4 Nnw Burnet, TX | PICTURES RECEIVED OF 3 INCH DIAMETER HAIL OFF CR 108 JUST NORTH OF BURNET. |
| Mar 22, 9:37 PM CDT | HAIL 1.5 | 5 Nnw Burnet, TX | SPOTTER REPORTED PING PONG BALL SIZED HAIL STILL ON THE GROUND. STILL HAILING. |
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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 22, 6:05 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 2.2 hours before the alert went out and 228 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 679 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 404 m²/s²
- 0-3 km storm-relative helicity
- 672 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted.
252
WUUS54 KEWX 230214
SVREWX
TXC053-299-491-230315-
/O.NEW.KEWX.SV.W.0004.210323T0214Z-210323T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
914 PM CDT Mon Mar 22 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Northwestern Williamson County in south central Texas...
Northeastern Llano County in south central Texas...
Northern Burnet County in south central Texas...
* Until 1015 PM CDT.
* At 914 PM CDT, a severe thunderstorm was located over Buchanan Lake
Village, or near Buchanan Dam, moving east at 45 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect
wind damage to roofs, siding, and trees.
* Locations impacted include...
Burnet, Bertram, Buchanan Dam, Jarrell, Florence, Buchanan Lake
Village, Watson, Bluffton, Briggs, Lake Victor, Mahomet, Sunnylane,
Joppa, Andice, Tow, Shady Grove and Inks Lake State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3103 9790 3091 9783 3088 9767 3076 9762
3073 9852 3079 9856 3092 9848 3092 9842
3094 9841 3104 9795
TIME...MOT...LOC 0214Z 265DEG 39KT 3083 9844
HAIL...1.75IN
WIND...60MPH
$$
EW2 follow-up statements
088
WWUS54 KEWX 230229
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
929 PM CDT Mon Mar 22 2021
TXC053-299-491-230315-
/O.CON.KEWX.SV.W.0004.000000T0000Z-210323T0315Z/
Williamson TX-Llano TX-Burnet TX-
929 PM CDT Mon Mar 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHWESTERN WILLIAMSON...NORTHEASTERN LLANO AND NORTHERN BURNET
COUNTIES...
At 928 PM CDT, a severe thunderstorm was located near Burnet, moving
east at 40 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Burnet, Bertram, Buchanan Dam, Jarrell, Florence, Buchanan Lake
Village, Inks Lake State Park, Watson, Briggs, Lake Victor, Mahomet,
Sunnylane, Joppa, Andice and Shady Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3103 9790 3091 9783 3088 9767 3076 9762
3073 9846 3079 9849 3085 9847 3090 9842
3092 9835 3104 9795
TIME...MOT...LOC 0228Z 268DEG 37KT 3081 9828
HAIL...2.00IN
WIND...60MPH
$$
EW894
WWUS54 KEWX 230244
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
944 PM CDT Mon Mar 22 2021
TXC299-230253-
/O.CAN.KEWX.SV.W.0004.000000T0000Z-210323T0315Z/
Llano TX-
944 PM CDT Mon Mar 22 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.
A Severe Thunderstorm Watch remains in effect until midnight CDT for
south central Texas.
LAT...LON 3103 9790 3091 9783 3088 9767 3076 9762
3074 9830 3081 9833 3089 9831 3092 9825
3102 9794
TIME...MOT...LOC 0243Z 265DEG 39KT 3082 9809
$$
TXC053-491-230315-
/O.CON.KEWX.SV.W.0004.000000T0000Z-210323T0315Z/
Williamson TX-Burnet TX-
944 PM CDT Mon Mar 22 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR NORTHWESTERN WILLIAMSON AND NORTHERN BURNET COUNTIES...
At 943 PM CDT, a severe thunderstorm was located over Shady Grove, or
near Bertram, moving east at 45 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Burnet, Bertram, Jarrell, Florence, Lake Victor, Mahomet, Sunnylane,
Joppa, Watson, Andice, Briggs and Shady Grove.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3103 9790 3091 9783 3088 9767 3076 9762
3074 9830 3081 9833 3089 9831 3092 9825
3102 9794
TIME...MOT...LOC 0243Z 265DEG 39KT 3082 9809
HAIL...1.50IN
WIND...60MPH
$$
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, 9:16 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, 1:48 AM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bexar, Frio, Medina | 34 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.