Alert archive / Texas / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 183, NWS Austin/San Antonio, TX

May 23, 2025Blanco County, Comal County, Hays County, Texas

NWS Austin/San Antonio, TX issued this severe thunderstorm warning at May 23, 2025, 2:09 AM CDT for Blanco County, Comal County, Hays 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 23, 2025, 2:09 AM CDT (07:09 UTC)
Expired: May 23, 2025, 2:45 AM CDT
In force: 36 min
Issued by: NWS Austin/San Antonio, TX
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Blanco County, TX, Comal County, TX, Hays County, TX

The radar

The Austin/San Antonio radar (KEWX), 43 km from the middle of the area, began a volume at 07:12 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 nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 7.2 hours before the alert went out and 262 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: 1180 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 2343 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -95 m²/s²
0-3 km storm-relative helicity: -81 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 23, 1:58 AM CDT, 11 minutes earlier.

Area forecast discussion, May 23, 1:58 AM CDT, 11 minutes before

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In the hours before

Special weather statement, May 22, 10:03 PM CDT, 4 hours 6 minutes before

Special Weather Statement
National Weather Service Austin/San Antonio TX
1003 PM CDT Thu May 22 2025

TXZ186-187-189-206-230345-
Comal TX-Kerr TX-Bandera TX-Kendall TX-
1003 PM CDT Thu May 22 2025

...Strong thunderstorms will impact portions of northeastern Bandera,
southeastern Kerr, Kendall and west central Comal Counties through
1045 PM CDT...

At 1003 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Sisterdale to near Comfort to near Camp
Verde. Movement was south at 10 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Medina, Kerrville, Boerne, Comfort, Bandera, Ingram, Walnut Grove,
Guadalupe River State Park, Kendalia, Camp Verde, Kerrville-Schreiner
Park, Waltonia, Sisterdale, Kreutzberg, Spring Branch, Welfare,
Nelson City, Center Point, Waring, and Old Tunnel State Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with these storms and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

These storms may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3001 9848 2983 9837 2967 9939 3008 9931
      3012 9857
TIME...MOT...LOC 0303Z 013DEG 10KT 2993 9873 2997 9894 2992 9915

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

CP

Local storm report, May 22, 11:26 PM CDT, 2 hours 43 minutes before

Preliminary Local Storm Report
National Weather Service Austin/San Antonio TX
1126 PM CDT Thu May 22 2025

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

0755 PM     Hail             5 SSE Willow City       30.34N 98.66W
05/22/2025  M1.75 Inch       Gillespie          TX   Public

            Golfball sized hail measured.

&&

JR

Local storm report, May 22, 11:27 PM CDT, 2 hours 42 minutes before

Preliminary Local Storm Report
National Weather Service Austin/San Antonio TX
1127 PM CDT Thu May 22 2025

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

0755 PM     Tstm Wnd Dmg     5 SSE Willow City       30.34N 98.66W
05/22/2025                   Gillespie          TX   Public

            Tree branches snapped.

&&

JR

Special weather statement, May 23, 1:24 AM CDT, 45 minutes before

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Special weather statement, May 23, 1:28 AM CDT, 41 minutes before

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Special weather statement, May 23, 1:41 AM CDT, 28 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 22, 7:06 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Llano	26 min
May 22, 7:31 PM CDT	Areal Flood Advisory	EWX	Llano	3 hr
May 22, 7:35 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Gillespie, Llano	40 min
May 22, 7:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Bastrop, Caldwell, Hays, Travis	53 min
May 22, 7:39 PM CDT	Severe Thunderstorm Warning	EWX	Kerr	30 min
May 22, 8:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Blanco, Gillespie, Kendall	53 min
May 22, 8:58 PM CDT	Severe Thunderstorm Warning	EWX	Blanco, Gillespie, Kendall	21 min
May 22, 9:29 PM CDT	Special Weather Statement	EWX	Kendall	46 min
May 22, 9:32 PM CDT	Severe Thunderstorm Warning	EWX	Comal, Kendall	31 min
May 22, 10:03 PM CDT	Special Weather Statement	EWX	Bandera, Kendall	42 min
May 22, 10:18 PM CDT	Severe Thunderstorm Warning	EWX	Bandera, Kerr	57 min
May 22, 10:48 PM CDT	Areal Flood Advisory	EWX	Kendall, Kerr	3 hr
May 22, 11:15 PM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Bandera, Kerr	15 min
May 22, 11:29 PM CDT	Severe Thunderstorm Warning	EWX	Burnet, Llano	61 min
May 23, 12:27 AM CDT	Severe Thunderstorm Warning Considerable damage threat	EWX	Blanco, Burnet, Edwards, Gillespie, Kerr, Llano	63 min
May 23, 12:31 AM CDT	Areal Flood Advisory	EWX	Burnet, Llano	4 hr
May 23, 1:24 AM CDT	Special Weather Statement	EWX	Blanco, Gillespie, Kendall	66 min
May 23, 1:28 AM CDT	Special Weather Statement	EWX	Real	62 min
May 23, 1:41 AM CDT	Special Weather Statement	EWX	Blanco, Comal, Hays, Kendall, Travis	49 min
May 23, 2:12 AM CDT	Special Weather Statement	EWX	Edwards	48 min
May 23, 2:15 AM CDT	Areal Flood Advisory	EWX	Kendall, Kerr	3 hr
May 23, 2:18 AM CDT	Special Weather Statement	EWX	Real	42 min
May 23, 2:50 AM CDT	Special Weather Statement	EWX	Bexar, Comal, Guadalupe, Hays	25 min
May 23, 2:59 AM CDT	Special Weather Statement	EWX	Uvalde	46 min
May 23, 3:00 AM CDT	Special Weather Statement	EWX	Kinney	45 min
May 23, 3:06 AM CDT	Areal Flood Advisory	EWX	Comal	3 hr
May 23, 3:24 AM CDT	Special Weather Statement	EWX	Bexar, Guadalupe, Wilson	36 min
May 23, 3:34 AM CDT	Severe Thunderstorm Warning	EWX	Edwards, Kinney, Uvalde	20 min
May 23, 3:52 AM CDT	Special Weather Statement	EWX	Atascosa, Bexar, Gonzales, Guadalupe, Karnes, Wilson	38 min
May 23, 4:17 AM CDT	Special Weather Statement	EWX	Frio	43 min
May 23, 4:26 AM CDT	Severe Thunderstorm Warning	EWX	Caldwell, Gonzales, Guadalupe	49 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.