Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 28, NWS Austin/San Antonio, TX

March 2, 2023Fayette County, Lavaca County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Mar 2, 2023, 9:22 PM CST for Fayette County, Lavaca County, Texas. It was in force for 26 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: Mar 2, 2023, 9:22 PM CST (03:22 UTC)
Expired: Mar 2, 2023, 9:48 PM CST
In force: 26 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 0.75 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 03:22 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
Mar 2, 5:08 PM CST	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Corpus Christi, TX (KCRP), launched 00:00Z, 3.4 hours before the alert went out and 215 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: 1652 J/kg
Mixed-layer CIN: -317 J/kg
Mixed-layer LCL: 1300 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 136 m²/s²
0-3 km storm-relative helicity: 294 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 Mar 2, 9:11 PM CST, 11 minutes earlier.

Area forecast discussion, Mar 2, 9:11 PM CST, 11 minutes before

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Hazardous weather outlook, Mar 2, 4:37 AM CST, 16 hours 45 minutes before

Hazardous Weather Outlook
National Weather Service Austin/San Antonio TX
437 AM CST Thu Mar 2 2023

TXZ171>173-183>194-202>209-217>225-228-031200-
Llano-Burnet-Williamson-Val Verde-Edwards-Real-Kerr-Bandera-
Gillespie-Kendall-Blanco-Hays-Travis-Bastrop-Lee-Kinney-Uvalde-
Medina-Bexar-Comal-Guadalupe-Caldwell-Fayette-Maverick-Zavala-
Frio-Atascosa-Wilson-Karnes-Gonzales-De Witt-Lavaca-Dimmit-
437 AM CST Thu Mar 2 2023

This Hazardous Weather Outlook is for South-Central Texas..

.DAY ONE...Today And Tonight.

A strong upper level system and accompanying cold front are
expected to move over the area late this afternoon. Scattered
showers and thunderstorms are possible across most of south
central Texas. Some of these could become strong to severe with
straight line winds, isolated tornadoes, and large hail possible.

In the wake of the cold front, strong, gusty northwesterly winds
and much drier air will move into the area. A High Wind Warning
and Wind Advisory are in effect for Thursday afternoon and
evening. Critical fire weather conditions are likely over the
Edwards Plateau and Rio Grande Plains Thursday and Thursday
evening. A Red Flag Warning is in effect.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Elevated fire weather conditions are possible in the Hill Country,
Edwards Plateau, and Rio Grande Plains Friday and Saturday for
mainly low humidity values.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

In the hours before

Special weather statement, Mar 2, 8:34 PM CST, 48 minutes before

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Local storm report, Mar 2, 8:38 PM CST, 44 minutes before

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Special weather statement, Mar 2, 8:42 PM CST, 40 minutes before

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Special weather statement, Mar 2, 8:57 PM CST, 25 minutes before

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Local storm report, Mar 2, 9:10 PM CST, 12 minutes before

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Local storm report, Mar 2, 9:17 PM CST, 5 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
Mar 2, 6:09 PM CST	Severe Thunderstorm Warning	EWX	Blanco, Burnet, Gillespie, Llano	66 min
Mar 2, 6:14 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Blanco, Gillespie, Kendall, Kerr	61 min
Mar 2, 6:51 PM CST	Severe Thunderstorm Warning Considerable damage threat	EWX	Blanco, Burnet, Hays, Travis, Williamson	54 min
Mar 2, 7:07 PM CST	Severe Thunderstorm Warning	EWX	Bandera, Bexar, Blanco, Kendall, Kerr, Medina	68 min
Mar 2, 7:17 PM CST	Tornado Warning	EWX	Williamson	43 min
Mar 2, 7:38 PM CST	Severe Thunderstorm Warning	EWX	Bexar, Caldwell, Comal, Guadalupe, Hays	67 min
Mar 2, 7:44 PM CST	Severe Thunderstorm Warning	EWX	Bastrop, Hays, Lee, Travis, Williamson	61 min
Mar 2, 8:00 PM CST	Severe Thunderstorm Warning	EWX	Bastrop, Caldwell, Fayette, Gonzales, Guadalupe, Wilson	60 min
Mar 2, 8:03 PM CST	Special Weather Statement	EWX	Atascosa, Karnes	42 min
Mar 2, 8:34 PM CST	Special Weather Statement	EWX	Fayette	56 min
Mar 2, 8:42 PM CST	Special Weather Statement	EWX	Bastrop, Lee	48 min
Mar 2, 8:43 PM CST	Severe Thunderstorm Warning	EWX	Bexar, Guadalupe, Wilson	32 min
Mar 2, 8:53 PM CST	Severe Thunderstorm Warning	EWX	Caldwell, Fayette, Gonzales, Guadalupe, Lavaca	55 min
Mar 2, 8:57 PM CST	Special Weather Statement	EWX	DeWitt, Karnes	48 min

Nearby

Severe Thunderstorm Warnings in Texas, 2023 Every severe thunderstorm warning in 2023

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.