Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 93, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 3, 2021, 7:14 PM CDT for 7 counties in Texas. It was in force for 61 min. 10 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
- May 3, 2021, 7:14 PM CDT (00:14 UTC)
- Expired
- May 3, 2021, 8:15 PM CDT
- In force
- 61 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Bandera County, TX, Bexar County, TX, Blanco County, TX, Gillespie County, TX, Kendall County, TX, Kerr County, TX, Medina County, TX
The radar
The Austin/San Antonio radar (KEWX), 61 km from the middle of the area, began a volume at 00:15 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 |
|---|---|---|---|
| May 3, 7:20 PM CDT | HAIL 2 | Lakehills, TX | DELAYED REPORT VIA SOCIAL MEDIA. PHOTO OF APPROXIMATELY 2 INCH HAIL IN LAKEHILLS. |
| May 3, 7:35 PM CDT | HAIL 1 | 1 S Boerne, TX | ESTIMATED HAIL UP TO QUARTER SIZED IN BOERNE. |
| May 3, 7:36 PM CDT | HAIL 2.5 | 2 Wnw Boerne, TX | |
| May 3, 7:37 PM CDT | HAIL 1.75 | 1 Sw Boerne, TX | GOLF BALL SIZED HAIL REPORTED BY A TRAINED SPOTTER IN BOERNE. |
| May 3, 7:37 PM CDT | HAIL 2.75 | 3 Nne Albert & Bessie K, TX | TWITTER REPORT FROM TAPATIO SPRINGS HILL COUNTRY GOLF CLUB. |
| May 3, 7:38 PM CDT | HAIL 2.5 | 1 Se Boerne, TX | LARGEST HAIL REPORTS OUT OF BOERNE APPEAR TO BE ABOUT 2.5 INCHES OR TENNIS BALL SIZED FROM SOCIAL MEDIA AND SPOTTER REPORTS. TIME ESTIMATED VIA RADAR. |
| May 3, 7:40 PM CDT | HAIL 2 | 6 S Sisterdale, TX | |
| May 3, 7:45 PM CDT | HAIL 1.5 | 2 Ese Boerne, TX | TWITTER REPORT. |
| May 3, 7:45 PM CDT | HAIL 1.75 | 1 Wsw Boerne, TX | AT FISCHER AND LATTIMORE, TWITTER REPORT. |
| May 3, 7:45 PM CDT | HAIL 2 | 2 Ese Boerne, TX | TWITTER REPORT. |
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 |
|---|---|---|---|
| May 3, 7:01 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Del Rio, TX (KDRT), launched 00:00Z, 0.2 hours before the alert went out and 220 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
- 4428 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- -50 m²/s²
- 0-3 km storm-relative helicity
- 13 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
940
WUUS54 KEWX 040014
SVREWX
TXC019-029-031-171-259-265-325-040115-
/O.NEW.KEWX.SV.W.0093.210504T0014Z-210504T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
714 PM CDT Mon May 3 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Northeastern Medina County in south central Texas...
Southeastern Bandera County in south central Texas...
Southeastern Kerr County in south central Texas...
Southwestern Blanco County in south central Texas...
Southeastern Gillespie County in south central Texas...
Kendall County in south central Texas...
Northwestern Bexar County in south central Texas...
* Until 815 PM CDT.
* At 714 PM CDT, a severe thunderstorm was located near Government
Canyon State Natural Area, or 12 miles southwest of Boerne, moving
northeast at 40 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...
Boerne, Comfort, Blanco, Helotes, Fair Oaks Ranch, Cross Mountain,
Walnut Grove, Kendalia, Sisterdale, Kreutzberg, Government Canyon
State Natural Area, Pipe Creek, Welfare, Nelson City, Waring,
Grapetown, Flugrath, Lakehills, Cliff and Luckenbach.
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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3013 9834 2983 9854 2974 9865 2974 9861
2975 9860 2951 9875 2955 9897 3023 9891
TIME...MOT...LOC 0014Z 205DEG 35KT 2962 9881
HAIL...1.50IN
WIND...60MPH
$$
BRADY3 follow-up statements
374
WWUS54 KEWX 040040
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
740 PM CDT Mon May 3 2021
TXC265-325-040049-
/O.CAN.KEWX.SV.W.0093.000000T0000Z-210504T0115Z/
Medina TX-Kerr TX-
740 PM CDT Mon May 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MEDINA AND
SOUTHEASTERN KERR COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Texas.
LAT...LON 2966 9866 2971 9891 3022 9884 3013 9834
2983 9854 2974 9865 2974 9861 2975 9860
TIME...MOT...LOC 0039Z 202DEG 32KT 2983 9871
$$
TXC019-029-031-171-259-040115-
/O.CON.KEWX.SV.W.0093.000000T0000Z-210504T0115Z/
Bandera TX-Blanco TX-Gillespie TX-Kendall TX-Bexar TX-
740 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR EAST CENTRAL BANDERA...SOUTHWESTERN BLANCO...SOUTHEASTERN
GILLESPIE...KENDALL AND NORTHWESTERN BEXAR COUNTIES...
At 739 PM CDT, a severe thunderstorm was located over Kreutzberg, or
near Boerne, moving north at 35 mph.
HAZARD...Golf ball size hail and 60 mph wind gusts.
SOURCE...Trained weather spotters.
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...
Boerne, Blanco, Fair Oaks Ranch, Cross Mountain, Flugrath, Walnut
Grove, Kendalia, Luckenbach, Cain City, Old Tunnel State Park,
Bankersmith, Sisterdale, Kreutzberg, Welfare, Nelson City, Kronkosky
State Natural Area, Waring, Grapetown, Bergheim and Cascade Caverns.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
Continuous cloud to ground lightning is 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2966 9866 2971 9891 3022 9884 3013 9834
2983 9854 2974 9865 2974 9861 2975 9860
TIME...MOT...LOC 0039Z 202DEG 32KT 2983 9871
HAIL...1.75IN
WIND...60MPH
$$
BRADY045
WWUS54 KEWX 040055
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
755 PM CDT Mon May 3 2021
TXC019-029-040104-
/O.CAN.KEWX.SV.W.0093.000000T0000Z-210504T0115Z/
Bandera TX-Bexar TX-
755 PM CDT Mon May 3 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL BANDERA AND
NORTHWESTERN BEXAR COUNTIES IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1100 PM CDT for
south central Texas.
LAT...LON 2978 9861 2982 9885 3021 9880 3013 9835
3013 9834 2983 9854
TIME...MOT...LOC 0054Z 206DEG 32KT 2995 9864
$$
TXC031-171-259-040115-
/O.CON.KEWX.SV.W.0093.000000T0000Z-210504T0115Z/
Blanco TX-Gillespie TX-Kendall TX-
755 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHWESTERN BLANCO...SOUTHEASTERN GILLESPIE AND KENDALL
COUNTIES...
At 754 PM CDT, a severe thunderstorm was located near Sisterdale, or
12 miles northeast of Boerne, moving northeast at 35 mph.
This is a very dangerous storm.
HAZARD...Baseball size hail and 60 mph wind gusts.
SOURCE...Public.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
Locations impacted include...
Boerne, Blanco, Flugrath, Walnut Grove, Kendalia, Luckenbach,
Sisterdale, Kreutzberg, Welfare, Nelson City, Waring, Bergheim and
Crown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to a shelter, inside a strong building and away from windows.
Continuous cloud to ground lightning is 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2978 9861 2982 9885 3021 9880 3013 9835
3013 9834 2983 9854
TIME...MOT...LOC 0054Z 206DEG 32KT 2995 9864
HAIL...2.75IN
WIND...60MPH
$$
BRADY795
WWUS54 KEWX 040105
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
805 PM CDT Mon May 3 2021
TXC031-171-259-040115-
/O.CON.KEWX.SV.W.0093.000000T0000Z-210504T0115Z/
Blanco TX-Gillespie TX-Kendall TX-
805 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHWESTERN BLANCO...SOUTHEASTERN GILLESPIE AND CENTRAL KENDALL
COUNTIES...
At 805 PM CDT, a severe thunderstorm was located near Flugrath, or 10
miles west of Blanco, moving northeast at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Blanco, Sisterdale, Flugrath, Kendalia, Welfare, Nelson City, Waring
and Crown.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2983 9854 2988 9883 3020 9873 3013 9835
3013 9834
TIME...MOT...LOC 0105Z 205DEG 34KT 3004 9859
HAIL...1.00IN
WIND...60MPH
$$
BRADYThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 3, 7:10 PM CDT | Special Weather Statement | EWX | Kendall | 50 min |
| May 3, 7:12 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Medina | 63 min |
| May 3, 7:30 PM CDT | Areal Flood Advisory | EWX | Bandera, Bexar, Comal, Kendall, Medina | 3 hr |
| May 3, 7:49 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Comal, Guadalupe | 56 min |
| May 3, 8:12 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Gillespie, Kendall, Llano | 48 min |
| May 3, 8:19 PM CDT | Areal Flood Advisory | EWX | Bexar, Guadalupe, Wilson | 3 hr |
| May 3, 8:23 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Guadalupe, Wilson | 22 min |
| May 3, 8:43 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Gonzales, Guadalupe, Wilson | 62 min |
| May 3, 8:53 PM CDT | Special Weather Statement | EWX | Burnet | 52 min |
| May 3, 8:58 PM CDT | Severe Thunderstorm Warning | EWX | Blanco, Burnet, Llano, Travis, Williamson | 62 min |
| May 3, 9:16 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano, Travis, Williamson | 41 min |
| May 3, 10:08 PM CDT | Severe Thunderstorm Warning | EWX | Burnet, Llano | 30 min |
| May 4, 6:33 AM CDT | Special Weather Statement | EWX | Caldwell | 42 min |
| May 4, 6:41 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Hays, Travis | 64 min |
| May 4, 7:25 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Travis | 50 min |
| May 4, 7:37 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Fayette, Lee | 53 min |
| May 4, 8:05 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Lee, Travis, Williamson | 13 min |
| May 4, 8:20 AM CDT | Special Weather Statement | EWX | Hays, Travis | 40 min |
| May 4, 8:22 AM CDT | Special Weather Statement | EWX | Lee | 38 min |
| May 4, 8:22 AM CDT | Special Weather Statement | EWX | Lee | 38 min |
| May 4, 8:25 AM CDT | Special Weather Statement | EWX | Lee | 35 min |
| May 4, 8:59 AM CDT | Special Weather Statement | EWX | Hays, Travis | 46 min |
| May 4, 9:27 AM CDT | Special Weather Statement | EWX | Guadalupe | 33 min |
| May 4, 9:48 AM CDT | Special Weather Statement | EWX | Bastrop | 27 min |
| May 4, 9:58 AM CDT | Special Weather Statement | EWX | Caldwell | 47 min |
| May 4, 10:04 AM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Fayette | 41 min |
| May 4, 10:38 AM CDT | Special Weather Statement | EWX | Bastrop | 37 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.