Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 112, NWS Austin/San Antonio, TX

April 23, 2023DeWitt County, Lavaca County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 23, 2023, 7:07 AM CDT for DeWitt County, Lavaca County, Texas. It was in force for 44 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: Apr 23, 2023, 7:07 AM CDT (12:07 UTC)
Expired: Apr 23, 2023, 7:51 AM CDT
In force: 44 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties DeWitt County, TX, Lavaca County, TX

The radar

The Austin/San Antonio radar (KEWX), 100 km from the middle of the area, began a volume at 12:08 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
Apr 23, 4:54 AM CDT	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Brownsville Intl, TX (KBRO), launched 12:00Z, 0.1 hours before the alert went out and 371 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: 2723 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 506 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 291 m²/s²
Significant tornado parameter: 3.5
Supercell composite: 13.2

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 Apr 23, 6:29 AM CDT, 38 minutes earlier.

Area forecast discussion, Apr 23, 6:29 AM CDT, 38 minutes before

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Hazardous weather outlook, Apr 23, 3:39 AM CDT, 3 hours 28 minutes before

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In the hours before

Local storm report, Apr 23, 3:15 AM CDT, 3 hours 52 minutes before

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Special weather statement, Apr 23, 3:37 AM CDT, 3 hours 30 minutes before

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Special weather statement, Apr 23, 5:07 AM CDT, 2 hours before

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Special weather statement, Apr 23, 5:15 AM CDT, 1 hour 52 minutes before

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Special weather statement, Apr 23, 5:50 AM CDT, 1 hour 17 minutes before

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Special weather statement, Apr 23, 6:06 AM CDT, 1 hour 1 minute 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
Apr 22, 7:26 PM CDT	Special Weather Statement	EWX	Burnet	49 min
Apr 22, 8:08 PM CDT	Special Weather Statement	EWX	Llano	52 min
Apr 22, 8:32 PM CDT	Severe Thunderstorm Warning	EWX	Llano	24 min
Apr 22, 9:03 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Llano	57 min
Apr 22, 9:58 PM CDT	Severe Thunderstorm Warning Destructive damage threat	EWX	Gillespie	62 min
Apr 22, 10:20 PM CDT	Severe Thunderstorm Warning	EWX	Kerr	55 min
Apr 22, 10:47 PM CDT	Special Weather Statement	EWX	Kendall	43 min
Apr 22, 11:17 PM CDT	Special Weather Statement	EWX	Gillespie	43 min
Apr 22, 11:24 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie	35 min
Apr 22, 11:28 PM CDT	Special Weather Statement	EWX	Comal	47 min
Apr 23, 12:07 AM CDT	Special Weather Statement	EWX	Kimble	38 min
Apr 23, 12:20 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr	24 min
Apr 23, 1:36 AM CDT	Special Weather Statement	EWX	Val Verde	39 min
Apr 23, 1:48 AM CDT	Severe Thunderstorm Warning	EWX	Val Verde	42 min
Apr 23, 2:18 AM CDT	Special Weather Statement	EWX	Kinney	42 min
Apr 23, 2:26 AM CDT	Special Weather Statement	EWX	Val Verde	49 min
Apr 23, 2:32 AM CDT	Severe Thunderstorm Warning	EWX	Kinney	43 min
Apr 23, 2:39 AM CDT	Areal Flood Advisory	EWX	Kinney	3 hr
Apr 23, 2:52 AM CDT	Special Weather Statement	EWX	Edwards	38 min
Apr 23, 2:57 AM CDT	Special Weather Statement	EWX	Real	48 min
Apr 23, 3:02 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Val Verde	43 min
Apr 23, 3:03 AM CDT	Areal Flood Advisory	EWX	Val Verde	3 hr
Apr 23, 3:08 AM CDT	Special Weather Statement	EWX	Bandera	52 min
Apr 23, 3:16 AM CDT	Severe Thunderstorm Warning	EWX	Edwards	25 min
Apr 23, 3:27 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	48 min
Apr 23, 3:37 AM CDT	Special Weather Statement	EWX	Medina	38 min
Apr 23, 3:51 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	39 min
Apr 23, 4:11 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Uvalde	49 min
Apr 23, 4:26 AM CDT	Severe Thunderstorm Warning	EWX	Kinney, Maverick	49 min
Apr 23, 4:30 AM CDT	Areal Flood Advisory	EWX	Real	109 min
Apr 23, 5:07 AM CDT	Special Weather Statement	EWX	Maverick	38 min
Apr 23, 5:15 AM CDT	Special Weather Statement	EWX	Medina	45 min
Apr 23, 5:30 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	45 min
Apr 23, 5:44 AM CDT	Areal Flood Advisory	EWX	Maverick	3 hr
Apr 23, 5:50 AM CDT	Special Weather Statement	EWX	Medina	40 min
Apr 23, 6:06 AM CDT	Special Weather Statement	EWX	DeWitt	39 min
Apr 23, 6:11 AM CDT	Areal Flood Advisory	EWX	Bexar	3 hr
Apr 23, 6:12 AM CDT	Severe Thunderstorm Warning	EWX	Maverick	48 min
Apr 23, 6:59 AM CDT	Severe Thunderstorm Warning	EWX	Dimmit, Maverick	61 min
Apr 23, 8:05 AM CDT	Special Weather Statement	EWX	Dimmit	40 min
Apr 23, 8:26 AM CDT	Special Weather Statement	EWX	Karnes	64 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.