Alert archive / Texas / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 148, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 28, 2021, 7:56 PM CDT for 5 counties in Texas. It was in force for 64 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
- May 28, 2021, 7:56 PM CDT (00:56 UTC)
- Expired
- May 28, 2021, 9:00 PM CDT
- In force
- 64 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.5 in
- Wind
- 60.0 mph
Counties Bastrop County, TX, Caldwell County, TX, Fayette County, TX, Gonzales County, TX, Lee County, TX
The radar
The Ft Hood radar (KGRK), 78 km from the middle of the area, began a volume at 00:58 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 28, 8:27 PM CDT | TSTM WND DMG | 3 Ssw La Grange, TX | LARGE TREE BLOWN DOWN OVER SOUTHBOUND LANES OF U.S. 77. |
| May 28, 8:36 PM CDT | TSTM WND GST 63 | 1 Nne Schulenburg, TX | MEASURED BY DAVIS INSTRUMENT. |
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 28, 6:20 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 0.9 hours before the alert went out and 275 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
- 2506 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 712 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted.
605
WUUS54 KEWX 290056
SVREWX
TXC021-055-149-177-287-290200-
/O.NEW.KEWX.SV.W.0148.210529T0056Z-210529T0200Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Austin/San Antonio TX
756 PM CDT Fri May 28 2021
The National Weather Service in Austin San Antonio has issued a
* Severe Thunderstorm Warning for...
Eastern Caldwell County in south central Texas...
Bastrop County in south central Texas...
Northeastern Gonzales County in south central Texas...
Lee County in south central Texas...
Fayette County in south central Texas...
* Until 900 PM CDT.
* At 756 PM CDT, severe thunderstorms were located along a line
extending from 10 miles west of Fedor to near Rosanky to 10 miles
southeast of Lockhart, moving east at 30 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...
Lockhart, Elgin, Bastrop, Giddings, La Grange, Smithville,
Schulenburg, Flatonia, Waelder, Dime Box, Round Top, Fedor, Camp
Swift, Circle D-KC Estates, Cedar Creek, Rosanky, Paige, Muldoon,
Cistern and Lake Somerville State Park & Trailway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.
Large hail, damaging winds, and continuous cloud to ground lightning
are occurring with these storms. 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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3025 9669 3024 9674 3020 9674 3016 9679
3014 9676 3017 9669 3015 9667 2963 9688
2963 9731 2984 9766 3040 9734 3043 9727
3038 9678 3032 9674 3032 9669 3030 9667
3029 9664
TIME...MOT...LOC 0056Z 292DEG 26KT 3035 9722 2989 9731 2981 9753
TORNADO...POSSIBLE
HAIL...1.50IN
WIND...60MPH
$$
CP2 follow-up statements
065
WWUS54 KEWX 290121
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
821 PM CDT Fri May 28 2021
TXC021-055-149-177-287-290200-
/O.CON.KEWX.SV.W.0148.000000T0000Z-210529T0200Z/
Caldwell TX-Bastrop TX-Gonzales TX-Lee TX-Fayette TX-
821 PM CDT Fri May 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR EAST CENTRAL CALDWELL...BASTROP...NORTHEASTERN GONZALES...LEE AND
FAYETTE COUNTIES...
At 820 PM CDT, severe thunderstorms were located along a line
extending from near Fedor to 7 miles east of Smithville to near
Cistern to 7 miles northwest of Waelder, moving southeast at 30 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...
Bastrop, Giddings, La Grange, Smithville, Schulenburg, Flatonia,
Waelder, Dime Box, Round Top, Fedor, Camp Swift, Circle D-KC Estates,
Rosanky, Paige, Muldoon, Cistern, Lake Somerville State Park &
Trailway, Upton, Carmine and Swiss Alp.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.
Continuous cloud to ground lightning is occurring with these storms.
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 these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3025 9669 3024 9674 3020 9674 3016 9679
3014 9676 3017 9669 3015 9667 2963 9688
2963 9731 2980 9744 3043 9727 3038 9678
3032 9674 3032 9669 3030 9667 3029 9664
TIME...MOT...LOC 0120Z 292DEG 27KT 3032 9709 2999 9703 2983 9717 2976
9739
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
CP245
WWUS54 KEWX 290153
SVSEWX
Severe Weather Statement
National Weather Service Austin/San Antonio TX
853 PM CDT Fri May 28 2021
TXC021-055-177-290203-
/O.CAN.KEWX.SV.W.0148.000000T0000Z-210529T0200Z/
Caldwell TX-Bastrop TX-Gonzales TX-
853 PM CDT Fri May 28 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL CALDWELL...
BASTROP AND NORTHEASTERN GONZALES COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 200 AM CDT for
south central Texas.
LAT...LON 3025 9669 3024 9674 3020 9674 3016 9679
3014 9676 3017 9669 3015 9667 2963 9688
2963 9712 2992 9704 3038 9690 3038 9678
3032 9674 3032 9669 3030 9667 3029 9664
TIME...MOT...LOC 0153Z 292DEG 26KT 3025 9690 2992 9684 2976 9698 2969
9720
$$
TXC149-287-290200-
/O.CON.KEWX.SV.W.0148.000000T0000Z-210529T0200Z/
Lee TX-Fayette TX-
853 PM CDT Fri May 28 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM CDT
FOR SOUTHEASTERN LEE AND CENTRAL FAYETTE COUNTIES...
At 853 PM CDT, severe thunderstorms were located along a line
extending from near Giddings to near La Grange to 6 miles southeast
of Muldoon to near Flatonia, moving east at 30 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Giddings, La Grange, Schulenburg, Flatonia, Dime Box, Round Top,
Muldoon, Lake Somerville State Park & Trailway, Carmine, Swiss Alp,
Northrup, Rutersville, Warrenton, Engle, Ledbetter, Waldeck, Loebau,
Plum, Ammannsville and Mullins Prairie.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.
Continuous cloud to ground lightning is occurring with these storms.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 3025 9669 3024 9674 3020 9674 3016 9679
3014 9676 3017 9669 3015 9667 2963 9688
2963 9712 2992 9704 3038 9690 3038 9678
3032 9674 3032 9669 3030 9667 3029 9664
TIME...MOT...LOC 0153Z 292DEG 26KT 3025 9690 2992 9684 2976 9698 2969
9720
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
CPThe office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 7:01 PM CDT | Severe Thunderstorm Warning | EWX | Bastrop, Caldwell, Hays, Lee, Travis, Williamson | 59 min |
| May 28, 7:03 PM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kerr, Real | 57 min |
| May 28, 7:44 PM CDT | Tornado Warning | EWX | Bastrop, Caldwell, Fayette | 31 min |
| May 28, 7:48 PM CDT | Areal Flood Advisory | EWX | Bastrop, Caldwell, Travis | 3 hr |
| May 28, 7:49 PM CDT | Areal Flood Advisory | EWX | Blanco, Gillespie | 3 hr |
| May 28, 7:49 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Edwards, Gillespie, Kerr, Real | 56 min |
| May 28, 8:20 PM CDT | Areal Flood Advisory | EWX | Bandera, Gillespie, Kerr | 3 hr |
| May 28, 8:24 PM CDT | Flash Flood Warning | EWX | Bastrop, Travis | 3 hr |
| May 28, 8:25 PM CDT | Severe Thunderstorm Warning | EWX | Caldwell, Comal, Guadalupe, Hays | 30 min |
| May 28, 8:28 PM CDT | Tornado Warning | EWX | Fayette | 32 min |
| May 28, 8:38 PM CDT | Severe Thunderstorm Warning | EWX | Fayette, Lavaca, Lee | 52 min |
| May 28, 8:44 PM CDT | Severe Thunderstorm Warning | EWX | Bandera, Bexar, Blanco, Comal, Kendall, Kerr and 3 more | 61 min |
| May 28, 8:48 PM CDT | Areal Flood Advisory | EWX | Atascosa, Bandera, Bexar, Comal, Kendall, Kerr and 1 more | 3 hr |
| May 28, 8:58 PM CDT | Areal Flood Advisory | EWX | Bastrop, Fayette, Lee | 5 hr |
| May 28, 8:58 PM CDT | Special Weather Statement | EWX | Gonzales, Guadalupe | 47 min |
| May 28, 9:00 PM CDT | Areal Flood Advisory | EWX | Caldwell, Comal, Guadalupe, Hays | 3 hr |
| May 28, 9:34 PM CDT | Severe Thunderstorm Warning | EWX | Bexar, Caldwell, Comal, Gonzales, Guadalupe, Hays and 2 more | 56 min |
| May 28, 9:42 PM CDT | Flash Flood Warning | EWX | Bexar, Comal, Guadalupe | 3 hr |
| May 28, 10:23 PM CDT | Severe Thunderstorm Warning | EWX | Atascosa, Bastrop, Caldwell, DeWitt, Fayette, Gonzales and 5 more | 21 min |
| May 28, 10:47 PM CDT | Special Weather Statement | EWX | DeWitt, Gonzales, Karnes, Lavaca | 58 min |
| May 28, 10:50 PM CDT | River Flood Warning | EWX | Williamson | 8 hr |
| May 28, 11:19 PM CDT | River Flood Warning | EWX | Blanco | 7 hr |
| May 28, 11:56 PM CDT | Special Weather Statement | EWX | Bandera, Kendall, Kerr | 34 min |
| May 29, 12:09 AM CDT | Special Weather Statement | EWX | Gillespie, Kerr | 36 min |
| May 29, 12:28 AM CDT | Areal Flood Advisory | EWX | Bexar, Comal, Guadalupe | 3 hr |
| May 29, 12:41 AM CDT | Special Weather Statement | EWX | Bandera, Kendall, Kerr | 34 min |
| May 29, 1:11 AM CDT | Special Weather Statement | EWX | Comal, Kendall | 49 min |
| May 29, 1:48 AM CDT | Special Weather Statement | EWX | Gonzales, Guadalupe | 57 min |
| May 29, 2:11 AM CDT | Special Weather Statement | EWX | Val Verde | 49 min |
| May 29, 2:21 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 54 min |
| May 29, 3:16 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Maverick, Val Verde | 89 min |
| May 29, 3:20 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Kinney, Real, Val Verde | 70 min |
| May 29, 4:38 AM CDT | Special Weather Statement | EWX | Kinney, Uvalde | 52 min |
| May 29, 4:46 AM CDT | Severe Thunderstorm Warning | EWX | Bandera, Medina, Real, Uvalde | 27 min |
| May 29, 5:27 AM CDT | Special Weather Statement | EWX | Maverick, Zavala | 48 min |
| May 29, 5:35 AM CDT | Severe Thunderstorm Warning | EWX | Dimmit, Maverick, Zavala | 55 min |
| May 29, 5:54 AM CDT | Special Weather Statement | EWX | Atascosa, Frio, Medina | 51 min |
| May 29, 6:28 AM CDT | Areal Flood Advisory | EWX | Bandera, Edwards, Kerr, Real | 3 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.