Alert archive / Texas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 231, NWS Austin/San Antonio, TX

May 28, 2025Bastrop County, Caldwell County, Travis County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 28, 2025, 6:39 PM CDT for Bastrop County, Caldwell County, Travis County, Texas. It was in force for 51 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 28, 2025, 6:39 PM CDT (23:39 UTC)
Expired: May 28, 2025, 7:30 PM CDT
In force: 51 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Tornado: Possible
Damage threat: Destructive
Hail: 2.75 in
Wind: 60.0 mph

Counties Bastrop County, TX, Caldwell County, TX, Travis County, TX

The radar

The Austin/San Antonio radar (KEWX), 62 km from the middle of the area, began a volume at 23:40 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.

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, 2:43 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.7 hours before the alert went out and 306 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: 594 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 864 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 2:11 PM CDT, 4 hours 28 minutes earlier.

Area forecast discussion, May 28, 2:11 PM CDT, 4 hours 28 minutes before

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In the hours before

Local storm report, May 28, 6:02 PM CDT, 37 minutes before

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Local storm report, May 28, 6:13 PM CDT, 26 minutes before

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Local storm report, May 28, 6:16 PM CDT, 23 minutes before

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Local storm report, May 28, 6:26 PM CDT, 13 minutes before

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Local storm report, May 28, 6:28 PM CDT, 11 minutes before

Preliminary Local Storm Report
National Weather Service Austin/San Antonio TX
628 PM CDT Wed May 28 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 PM     Hail             3 S Liberty Hill        30.62N 97.91W
05/28/2025  E1.25 Inch       Williamson         TX   Public

            Report from mPING Half Dollar (1.25 in.).

&&

emp

Local storm report, May 28, 6:38 PM CDT, 1 minute before

Preliminary Local Storm Report
National Weather Service Austin/San Antonio TX
638 PM CDT Wed May 28 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0616 PM     Hail             2 SE Cedar Park         30.50N 97.81W
05/28/2025  M1.50 Inch       Williamson         TX   Public

            Multiple photos of 1.5 inch hail on social
            media.

&&

EH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 28, 12:01 AM CDT	Special Weather Statement	EWX	Edwards	44 min
May 28, 12:20 AM CDT	Severe Thunderstorm Warning	EWX	Edwards	25 min
May 28, 12:42 AM CDT	Special Weather Statement	EWX	Val Verde	48 min
May 28, 12:55 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr	65 min
May 28, 1:01 AM CDT	Special Weather Statement	EWX	Dimmit	59 min
May 28, 1:30 AM CDT	Special Weather Statement	EWX	Val Verde	45 min
May 28, 1:40 AM CDT	Special Weather Statement	EWX	Real	50 min
May 28, 1:48 AM CDT	Areal Flood Advisory	EWX	Val Verde	4 hr
May 28, 2:12 AM CDT	Areal Flood Advisory	EWX	Edwards, Kinney, Val Verde	5 hr
May 28, 2:12 AM CDT	Special Weather Statement	EWX	Frio	48 min
May 28, 2:16 AM CDT	Areal Flood Advisory	EWX	Gillespie, Kerr	5 hr
May 28, 2:28 AM CDT	Special Weather Statement	EWX	Kerr	47 min
May 28, 2:39 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Kerr	51 min
May 28, 3:17 AM CDT	Areal Flood Advisory	EWX	Bandera, Kerr	3 hr
May 28, 3:25 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Kendall, Kerr, Medina	65 min
May 28, 3:49 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Bandera, Bexar, Kendall, Kerr, Medina	6 hr
May 28, 4:02 AM CDT	Severe Thunderstorm Warning	EWX	Bexar, Comal, Kendall, Medina	58 min
May 28, 4:25 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Bexar, Comal, Guadalupe, Kendall	6 hr
May 28, 5:00 AM CDT	Special Weather Statement	EWX	Guadalupe, Wilson	45 min
May 28, 5:24 AM CDT	Areal Flood Warning	EWX	Caldwell, Comal, Guadalupe, Hays	5 min
May 28, 5:27 AM CDT	Special Weather Statement	EWX	Comal, Guadalupe, Hays	48 min
May 28, 5:29 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Caldwell, Comal, Guadalupe, Hays	3 hr
May 28, 5:32 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Blanco	3 hr
May 28, 6:10 AM CDT	Areal Flood Advisory	EWX	Bastrop, Caldwell, Hays, Travis	3 hr
May 28, 6:16 AM CDT	Special Weather Statement	EWX	Caldwell	44 min
May 28, 6:55 AM CDT	Severe Thunderstorm Warning	EWX	Bastrop, Fayette, Lee	50 min
May 28, 7:42 AM CDT	Special Weather Statement	EWX	Lee	48 min
May 28, 4:18 PM CDT	Severe Thunderstorm Warning Destructive damage threat	EWX	Burnet	57 min
May 28, 5:04 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Burnet, Travis, Williamson	56 min
May 28, 5:55 PM CDT	Severe Thunderstorm Warning Destructive damage threat	EWX	Travis, Williamson	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 2025 Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.