Alert archive / Texas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 145, NWS Austin/San Antonio, TX

May 6, 2025Fayette County, Lavaca County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 6, 2025, 5:10 PM CDT for Fayette County, Lavaca County, Texas. It was in force for 21 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 6, 2025, 5:10 PM CDT (22:10 UTC)
Expired: May 6, 2025, 5:31 PM CDT
In force: 21 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Fayette County, TX, Lavaca County, TX

The radar

The Austin/San Antonio radar (KEWX), 107 km from the middle of the area, began a volume at 22:12 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 6, 8:13 AM CDT	Tornado Watch	SPC	12 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 10.2 hours before the alert went out and 358 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 560 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 464 m²/s²
0-3 km storm-relative helicity: 387 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -1.5

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 6, 2:56 PM CDT, 2 hours 14 minutes earlier.

Area forecast discussion, May 6, 2:56 PM CDT, 2 hours 14 minutes before

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In the hours before

Local storm report, May 6, 1:56 PM CDT, 3 hours 14 minutes before

Preliminary Local Storm Report
National Weather Service Austin/San Antonio TX
156 PM CDT Tue May 6 2025

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

0129 PM     Flash Flood      3 E Granger             30.71N 97.40W
05/06/2025                   Williamson         TX   Local Official

            CR349 at Opossum Creek closed due to
            flooding.

&&

CVP

Special weather statement, May 6, 3:01 PM CDT, 2 hours 9 minutes before

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Special weather statement, May 6, 3:09 PM CDT, 2 hours 1 minute before

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Special weather statement, May 6, 3:48 PM CDT, 1 hour 22 minutes before

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Special weather statement, May 6, 4:10 PM CDT, 1 hour before

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Local storm report, May 6, 4:37 PM CDT, 33 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 6, 12:07 AM CDT	Special Weather Statement	EWX	Terrell	23 min
May 6, 5:45 AM CDT	Special Weather Statement	EWX	Kerr	45 min
May 6, 5:58 AM CDT	Severe Thunderstorm Warning	EWX	Bandera, Gillespie, Kerr	62 min
May 6, 6:52 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Gillespie, Kendall	68 min
May 6, 7:13 AM CDT	Tornado Warning	EWX	Blanco, Gillespie	47 min
May 6, 7:50 AM CDT	Tornado Warning	EWX	Blanco, Burnet, Llano	40 min
May 6, 8:20 AM CDT	Special Weather Statement	EWX	Edwards	40 min
May 6, 8:25 AM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Blanco, Burnet, Travis, Williamson	50 min
May 6, 8:43 AM CDT	Special Weather Statement	EWX	Kinney	47 min
May 6, 9:08 AM CDT	Severe Thunderstorm Warning	EWX	Travis, Williamson	52 min
May 6, 9:34 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Gillespie, Kendall	41 min
May 6, 9:38 AM CDT	Special Weather Statement	EWX	Real	52 min
May 6, 10:02 AM CDT	Areal Flood Advisory	EWX	Williamson	3 hr
May 6, 10:06 AM CDT	Areal Flood Advisory	EWX	Blanco, Burnet, Gillespie, Hays, Llano, Travis	3 hr
May 6, 10:10 AM CDT	Special Weather Statement	EWX	Blanco	50 min
May 6, 10:24 AM CDT	Special Weather Statement	EWX	Gillespie, Kerr	51 min
May 6, 10:39 AM CDT	Special Weather Statement	EWX	Williamson	51 min
May 6, 10:57 AM CDT	Special Weather Statement	EWX	Bandera, Medina	48 min
May 6, 11:11 AM CDT	Special Weather Statement	EWX	Zavala	49 min
May 6, 11:12 AM CDT	Areal Flood Advisory	EWX	Travis, Williamson	3 hr
May 6, 11:17 AM CDT	Special Weather Statement	EWX	Williamson	43 min
May 6, 11:17 AM CDT	Severe Thunderstorm Warning	EWX	Frio, Uvalde, Zavala	43 min
May 6, 11:29 AM CDT	Flash Flood Warning Considerable damage threat	EWX	Travis, Williamson	3 hr
May 6, 11:43 AM CDT	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie, Hays, Kendall, Travis	16 min
May 6, 11:56 AM CDT	Severe Thunderstorm Warning	EWX	Frio, Medina, Uvalde, Zavala	18 min
May 6, 12:01 PM CDT	Special Weather Statement	EWX	Williamson	29 min
May 6, 12:04 PM CDT	Severe Thunderstorm Warning	EWX	Williamson	26 min
May 6, 12:14 PM CDT	Areal Flood Advisory	EWX	Williamson	3 hr
May 6, 12:37 PM CDT	Severe Thunderstorm Warning	EWX	Bexar, Medina	38 min
May 6, 12:42 PM CDT	Special Weather Statement	EWX	Lee	48 min
May 6, 1:12 PM CDT	Special Weather Statement	EWX	Bexar	48 min
May 6, 1:30 PM CDT	Special Weather Statement	EWX	Lee	30 min
May 6, 2:04 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Lee, Williamson	3 hr
May 6, 3:01 PM CDT	Special Weather Statement	EWX	Fayette	44 min
May 6, 3:09 PM CDT	Special Weather Statement	EWX	Gonzales	66 min
May 6, 3:29 PM CDT	Severe Thunderstorm Warning	EWX	Gonzales, Lavaca	61 min
May 6, 3:48 PM CDT	Special Weather Statement	EWX	Fayette	57 min
May 6, 4:01 PM CDT	Severe Thunderstorm Warning	EWX	Fayette	59 min
May 6, 4:10 PM CDT	Special Weather Statement	EWX	Gonzales	50 min
May 6, 4:19 PM CDT	Severe Thunderstorm Warning	EWX	Fayette, Gonzales, Lavaca	56 min
May 6, 5:20 PM CDT	Special Weather Statement	EWX	Gonzales	40 min
May 6, 5:58 PM CDT	Special Weather Statement	EWX	DeWitt, Lavaca	77 min
May 6, 6:49 PM CDT	Special Weather Statement	EWX	Karnes	41 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.