Alert archive / Texas / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 116, NWS Austin/San Antonio, TX

April 26, 2023Burnet County, Llano County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 26, 2023, 9:38 PM CDT for Burnet County, Llano County, Texas. It was in force for 15 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 26, 2023, 9:38 PM CDT (02:38 UTC)
Expired: Apr 26, 2023, 9:53 PM CDT
In force: 15 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Burnet County, TX, Llano County, TX

The radar

The Ft Hood radar (KGRK), 100 km from the middle of the area, began a volume at 02:37 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 26, 2:51 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.6 hours before the alert went out and 256 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: 35 J/kg
Mixed-layer CIN: -205 J/kg
Mixed-layer LCL: 534 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 149 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

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 26, 7:57 PM CDT, 1 hour 41 minutes earlier.

Area forecast discussion, Apr 26, 7:57 PM CDT, 1 hour 41 minutes before

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Hazardous weather outlook, Apr 26, 8:18 PM CDT, 1 hour 20 minutes before

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In the hours before

Local storm report, Apr 26, 7:54 PM CDT, 1 hour 44 minutes before

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Local storm report, Apr 26, 7:55 PM CDT, 1 hour 43 minutes before

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Special weather statement, Apr 26, 8:14 PM CDT, 1 hour 24 minutes before

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Special weather statement, Apr 26, 9:16 PM CDT, 22 minutes before

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Special weather statement, Apr 26, 9:17 PM CDT, 21 minutes before

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Special weather statement, Apr 26, 9:22 PM CDT, 16 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
Apr 26, 7:30 PM CDT	Special Weather Statement	EWX	Hays	45 min
Apr 26, 7:35 PM CDT	Special Weather Statement	EWX	Llano	40 min
Apr 26, 7:42 PM CDT	Severe Thunderstorm Warning	EWX	Hays, Travis	20 min
Apr 26, 8:14 PM CDT	Special Weather Statement	EWX	Burnet	46 min
Apr 26, 9:16 PM CDT	Special Weather Statement	EWX	Williamson	29 min
Apr 26, 9:17 PM CDT	Special Weather Statement	EWX	Burnet	43 min
Apr 26, 9:22 PM CDT	Special Weather Statement	EWX	Williamson	38 min
Apr 26, 9:50 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Gillespie	55 min
Apr 26, 9:55 PM CDT	Special Weather Statement	EWX	Burnet	50 min
Apr 26, 10:29 PM CDT	Special Weather Statement	EWX	Williamson	46 min
Apr 26, 10:33 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Travis, Williamson	43 min
Apr 26, 10:38 PM CDT	Special Weather Statement	EWX	Gillespie	52 min
Apr 26, 10:58 PM CDT	Areal Flood Advisory	EWX	Burnet, Travis, Williamson	3 hr
Apr 26, 11:10 PM CDT	Special Weather Statement	EWX	Blanco	35 min
Apr 26, 11:16 PM CDT	Special Weather Statement	EWX	Travis	44 min
Apr 26, 11:52 PM CDT	Special Weather Statement	EWX	Kendall	38 min
Apr 27, 12:26 AM CDT	Areal Flood Advisory	EWX	Travis, Williamson	3 hr
Apr 27, 12:55 AM CDT	Special Weather Statement	EWX	Comal, Guadalupe	50 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.