Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 94, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 3, 2021, 7:49 PM CDT for Bexar County, Comal County, Guadalupe County, Texas. It was in force for 56 min. 26 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, 7:49 PM CDT (00:49 UTC)
- Expired
- May 3, 2021, 8:45 PM CDT
- In force
- 56 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Hail
- 2.0 in
- Wind
- 60.0 mph
Counties Bexar County, TX, Comal County, TX, Guadalupe County, TX
The radar
The Austin/San Antonio radar (KEWX), 42 km from the middle of the area, began a volume at 00:53 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, 7:57 PM CDT | HAIL 1 | 3 Ssw Balcones Heights, TX | TWITTER REPORT, JUST SOUTH OF ST. MARYS UNIVERSITY. |
| May 3, 7:57 PM CDT | HAIL 1.75 | 1 E Lackland Afb, TX | TWITTER REPORT FROM TIMOTHY WEINER DR. ON JBSA LACKLAND. |
| May 3, 7:59 PM CDT | HAIL 1 | 3 Ssw Balcones Heights, TX | 1 INCH HAIL REPORTED AT ST MARYS UNIVERSITY. |
| May 3, 8:00 PM CDT | HAIL 0.88 | 3 Wsw Olmos Park, TX | W MISTLETOE AND N ZARZAMORA. |
| May 3, 8:00 PM CDT | HAIL 1.75 | 3 S Balcones Heights, TX | TWITTER REPORT: MENCHACA AND NW 29TH. |
| May 3, 8:02 PM CDT | HAIL 0.5 | 4 W San Antonio, TX | S. GENERAL MCMULLEN AND W. COMMERCE. |
| May 3, 8:03 PM CDT | HAIL 0.75 | 2 Nw Olmos Park, TX | TWITTER REPORT AT BLANCO AND BASSE. |
| May 3, 8:03 PM CDT | HAIL 1 | 3 Ssw San Antonio, TX | HAIL UP TO ONE INCH REPORTED NEAR I-35 AND DIVISION. |
| May 3, 8:05 PM CDT | HAIL 1.75 | 2 W San Antonio, TX | TRAINED SPOTTER REPORT OF GOLF BALL SIZED HAIL NEAR ZARZAMORA AND SAUNDERS AT 805PM. |
| May 3, 8:05 PM CDT | HAIL 2 | 3 Ssw San Antonio, TX | PHOTO VIA SOCIAL MEDIA OF ESTIMATED 2 HAIL NEAR I35 AND DIVISION. |
| May 3, 8:06 PM CDT | HAIL 2 | 3 Sse Balcones Heights, TX | TWITTER REPORT AT WOODLAWN LAKE. |
| May 3, 8:07 PM CDT | HAIL 0.88 | 1 Ssw San Antonio, TX | TWITTER REPORT AT S. FLORES AND PEDEN. |
| May 3, 8:10 PM CDT | HAIL 0.88 | 3 W China Grove, TX | TWITTER REPORT AT RIGSBY AND S. W.W. WHITE. |
| May 3, 8:10 PM CDT | HAIL 2.75 | 2 W San Antonio, TX | UPDATES PREVIOUS HAIL REPORT FROM 2 W SAN ANTONIO. TRAINED SPOTTER REPORT OF BASEBALL SIZED HAIL NEAR ZARZAMORA AND SAUNDERS AT 810PM. |
| May 3, 8:10 PM CDT | HAIL 3 | 2 Wsw San Antonio, TX | TWITTER REPORT AT NORIA AND CALAVERAS. |
| May 3, 8:13 PM CDT | HAIL 1.75 | 1 S Alamo Heights, TX | TWITTER REPORT AT BROADWAY AND HILDEBRAND. |
| May 3, 8:14 PM CDT | HAIL 1.5 | 4 Sse San Antonio, TX | TWITTER REPORT AT I-37 AND SOUTHCROSS. |
| May 3, 8:14 PM CDT | HAIL 2 | 3 Se San Antonio, TX | TWITTER REPORT AT STEVES AV AND GEVERS ST. |
| May 3, 8:15 PM CDT | HAIL 2 | 2 Sse San Antonio, TX | TWITTER REPORT, BETWEEN ROOSEVELT AND S. PRESA NEAR ROBERT B GREEN ACADEMY. |
| May 3, 8:20 PM CDT | HAIL 2 | 5 Se San Antonio, TX | TWITTER REPORT AT GOLIAD RD AND EAST PALFREY DR. |
| May 3, 8:20 PM CDT | HAIL 2.75 | 3 Ese San Antonio, TX | TWITTER REPORT ROLAND AV. AND I-10. |
| May 3, 8:20 PM CDT | HAIL 4.5 | 3 Wsw China Grove, TX | REPORT VIA LOCAL MEDIA TWITTER. |
| May 3, 8:25 PM CDT | HAIL 2.75 | 5 Sw China Grove, TX | TWITTER REPORT AT SE MILITARY AND ALSBROOK DR. |
| May 3, 8:27 PM CDT | HAIL 1.75 | 1 E Kirby, TX | GOLF BALL SIZED HAIL REPORTED IN KIRBY OFF BINZ-ENGLEMANN. |
| May 3, 8:30 PM CDT | HAIL 2.5 | 5 Wsw China Grove, TX | TWITTER REPORT KATE SCHENCK AV AND ALSBROOK DR. |
| May 3, 8:49 PM CDT | HAIL 0.7 | 5 Nnw Saint Hedwig, TX | TWITTER REPORT FM1518 AND I-10. |
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
Corpus Christi, TX (KCRP), launched 00:00Z, 0.8 hours before the alert went out and 217 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
- 1737 J/kg
- Mixed-layer CIN
- -372 J/kg
- Mixed-layer LCL
- 1458 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
405
WUUS54 KEWX 040049
SVREWX
TXC029-091-187-040145-
/O.NEW.KEWX.SV.W.0094.210504T0049Z-210504T0145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
749 PM CDT Mon May 3 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Southwestern Guadalupe County in south central Texas...
Central Bexar County in south central Texas...
South central Comal County in south central Texas...
* Until 845 PM CDT.
* At 749 PM CDT, a severe thunderstorm was located over Lackland AFB,
or 7 miles southwest of San Antonio, moving northeast at 30 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...
San Antonio, New Braunfels, Schertz, Cibolo, Universal City, Live
Oak, Selma, San Antonio Int Airport, Randolph AFB, Canyon Lake,
Leon Valley, Kirby, Alamo Heights, Windcrest, Terrell Hills,
Bulverde, Garden Ridge, Shavano Park, Hollywood Park and Olmos
Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows!
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 2946 9873 2981 9829 2942 9803 2940 9813
2944 9814 2940 9817 2930 9872
TIME...MOT...LOC 0049Z 240DEG 26KT 2940 9861
HAIL...2.00IN
WIND...60MPH
$$
BRADY3 follow-up statements
867
WWUS54 KEWX 040054
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
754 PM CDT Mon May 3 2021
TXC029-091-187-040145-
/O.CON.KEWX.SV.W.0094.000000T0000Z-210504T0145Z/
Guadalupe TX-Bexar TX-Comal TX-
754 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHWESTERN GUADALUPE...CENTRAL BEXAR AND SOUTH CENTRAL COMAL
COUNTIES...
At 753 PM CDT, a severe thunderstorm was located near Lackland AFB,
or near San Antonio, moving northeast at 30 mph.
This is a very dangerous storm.
HAZARD...Baseball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be severely injured.
Expect shattered windows, extensive damage to roofs,
siding, and vehicles.
Locations impacted include...
San Antonio, New Braunfels, Schertz, Cibolo, Universal City, Live
Oak, Selma, San Antonio Int Airport, Randolph AFB, Canyon Lake, Leon
Valley, Kirby, Alamo Heights, Windcrest, Terrell Hills, Bulverde,
Garden Ridge, Shavano Park, Hollywood Park and Olmos Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a dangerous storm. Prepare immediately for large destructive
hail capable of producing significant damage. People outside should
move to a shelter, inside a strong building and away from windows.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2946 9873 2981 9829 2942 9803 2940 9813
2944 9814 2940 9817 2930 9872
TIME...MOT...LOC 0053Z 240DEG 26KT 2942 9857
HAIL...2.75IN
WIND...60MPH
$$
BRADY082
WWUS54 KEWX 040117
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
817 PM CDT Mon May 3 2021
TXC029-091-187-040145-
/O.CON.KEWX.SV.W.0094.000000T0000Z-210504T0145Z/
Guadalupe TX-Bexar TX-Comal TX-
817 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHWESTERN GUADALUPE...CENTRAL BEXAR AND SOUTH CENTRAL COMAL
COUNTIES...
At 817 PM CDT, a severe thunderstorm was located over San Antonio,
moving east at 35 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Public.
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...
San Antonio, Schertz, Cibolo, Universal City, Live Oak, Selma, San
Antonio Int Airport, Randolph AFB, Kirby, Alamo Heights, Windcrest,
Terrell Hills, Garden Ridge, Olmos Park, St. Hedwig, China Grove,
Marion, Santa Clara, New Berlin and Zuehl.
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 2934 9852 2953 9856 2969 9822 2942 9803
2940 9813 2944 9814 2940 9817
TIME...MOT...LOC 0117Z 257DEG 31KT 2945 9850
HAIL...1.50IN
WIND...60MPH
$$
BRADY635
WWUS54 KEWX 040126
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
826 PM CDT Mon May 3 2021
TXC029-091-187-040145-
/O.CON.KEWX.SV.W.0094.000000T0000Z-210504T0145Z/
Guadalupe TX-Bexar TX-Comal TX-
826 PM CDT Mon May 3 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM CDT
FOR SOUTHWESTERN GUADALUPE...NORTHEASTERN BEXAR AND SOUTH CENTRAL
COMAL COUNTIES...
At 825 PM CDT, a severe thunderstorm was located over Terrell Hills,
or near San Antonio Int Airport, moving northeast at 30 mph.
HAZARD...Two inch hail and 60 mph wind gusts.
SOURCE...Public.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
San Antonio, New Braunfels, Schertz, Cibolo, Universal City, Live
Oak, Selma, San Antonio Int Airport, Randolph AFB, Kirby, Alamo
Heights, Windcrest, Terrell Hills, Garden Ridge, Olmos Park, St.
Hedwig, China Grove, Marion, Santa Clara and New Berlin.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This storm is producing large hail. SEEK SHELTER NOW inside a sturdy
structure and stay away from windows.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 2934 9851 2953 9850 2968 9821 2942 9803
2940 9813 2944 9814 2940 9817
TIME...MOT...LOC 0125Z 240DEG 26KT 2948 9844
HAIL...2.00IN
WIND...60MPH
$$
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, 7:14 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Blanco, Gillespie, Kendall, Kerr and 1 more | 61 min |
| May 3, 7:30 PM CDT | Areal Flood Advisory | EWX | Bandera, Bexar, Comal, Kendall, Medina | 3 hr |
| 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.