Alert archive / Texas / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 114, NWS Austin/San Antonio, TX

May 21, 2026Val Verde County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 21, 2026, 2:54 PM CDT for Val Verde County, Texas. It was in force for 36 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 21, 2026, 2:54 PM CDT (19:54 UTC)
Expired: May 21, 2026, 3:30 PM CDT
In force: 36 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Val Verde County, TX

The radar

The Laughlin AFB radar (KDFX), 109 km from the middle of the area, began a volume at 19:54 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 nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.9 hours before the alert went out and 66 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: 1394 J/kg
Mixed-layer CIN: -52 J/kg
Mixed-layer LCL: 735 m above ground
0-6 km bulk shear: 53 kt
0-1 km storm-relative helicity: 38 m²/s²
0-3 km storm-relative helicity: 85 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.4

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 21, 12:39 PM CDT, 2 hours 15 minutes earlier.

Area forecast discussion, May 21, 12:39 PM CDT, 2 hours 15 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 21, 12:04 AM CDT	Special Weather Statement	EWX	Llano	41 min
May 21, 5:07 AM CDT	Special Weather Statement	EWX	Real	38 min
May 21, 5:18 AM CDT	Severe Thunderstorm Warning	EWX	Real	21 min
May 21, 5:24 AM CDT	Areal Flood Advisory	EWX	Edwards, Real, Uvalde	2 hr
May 21, 6:07 AM CDT	Areal Flood Advisory	EWX	Medina, Uvalde	113 min
May 21, 12:14 PM CDT	Flood Watch	EWX	Atascosa, Bandera, Bastrop, Bexar, Blanco, Burnet and 19 more	55 hr
May 21, 3:40 PM CDT	Areal Flood Advisory	EWX	Burnet	3 hr
May 21, 4:10 PM CDT	Special Weather Statement	EWX	Gillespie	50 min
May 21, 4:38 PM CDT	Severe Thunderstorm Warning	EWX	Gillespie, Llano	52 min
May 21, 4:57 PM CDT	Areal Flood Advisory	EWX	Blanco, Gillespie, Llano	3 hr
May 21, 5:05 PM CDT	Special Weather Statement	EWX	Burnet	40 min
May 21, 5:18 PM CDT	Areal Flood Advisory	EWX	Burnet	3 hr
May 21, 5:25 PM CDT	Special Weather Statement	EWX	Blanco	50 min
May 21, 5:37 PM CDT	Flash Flood Warning Considerable damage threat	EWX	Blanco, Burnet, Llano	4 hr
May 21, 5:44 PM CDT	River Flood Warning	EWX	Llano	4 hr
May 21, 5:59 PM CDT	Areal Flood Advisory	EWX	Williamson	3 hr
May 21, 6:10 PM CDT	Severe Thunderstorm Warning	EWX	Williamson	35 min
May 21, 6:19 PM CDT	Special Weather Statement	EWX	Edwards	56 min
May 21, 6:43 PM CDT	Special Weather Statement	EWX	Hays	47 min
May 21, 6:55 PM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kerr, Real	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 2026 Every severe thunderstorm warning in 2026

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.