An upper level trough moved over a moist, unstable airmass and generated thunderstorms. Storms initially formed over the higher terrain in Mexico and moved across the Rio Grande into Texas. Some storms produced damaging wind gusts. Storms eventually congealed into a slow-moving line that produce locally heavy rain leading to flash flooding.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 17:48:00 to 12-MAY-23 17:48:00 (CST-6)
Location: (DRT)DEL RIO INTL AR
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A thunderstorm produced wind gusts measured at 54 kts by the ASOS at Del Rio International Airport.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 17:54:00 to 12-MAY-23 17:54:00 (CST-6)
Location: DEL RIO
Magnitude: 52.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced wind gusts estimated at 60 mph that knocked down some tree limbs in northern Del Rio.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 17:58:00 to 12-MAY-23 17:58:00 (CST-6)
Location: AMISTAD RES EAST
Magnitude: 59.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm produced wind gusts estimated at 68 mph in Lake View.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 18:18:00 to 12-MAY-23 18:18:00 (CST-6)
Location: (DRT)DEL RIO INTL AR
Magnitude: 51.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A thunderstorm produced wind gusts measured at 51 kts by the ASOS at Del Rio International Airport.

Flash Flood in BEXAR, TEXAS
From 13-MAY-23 01:31:00 to 13-MAY-23 04:52:00 (CST-6)
Location: MACDONA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorms produced heavy rain that led to flash flooding. Bexar Floods reported water over a low water crossing on Grosenbacher Rd. north of Hwy 90.

Flash Flood in BEXAR, TEXAS
From 13-MAY-23 01:44:00 to 13-MAY-23 04:52:00 (CST-6)
Location: WOODLAWN LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Storm Chaser

Thunderstorms produced heavy rain that led to flash flooding. Cars were stranded in flood water on Hwy 90 near S. General McMullen Dr. in western San Antonio.

Flash Flood in BEXAR, TEXAS
From 13-MAY-23 02:00:00 to 13-MAY-23 04:52:00 (CST-6)
Location: KIRBY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorms produced heavy rain that led to flash flooding. The Kirby Fire Department had to rescue people from two vehicles stranded in flood water in a low water crossing on Gibbs Sprawl Rd.

Flash Flood in BEXAR, TEXAS
From 13-MAY-23 02:05:00 to 13-MAY-23 04:52:00 (CST-6)
Location: SAN ANTONIO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorms produced heavy rain that led to flash flooding. Several lanes of S. Laredo St. were flooded near Apache Creek and I-35.

Flash Flood in DE WITT, TEXAS
From 13-MAY-23 06:52:00 to 13-MAY-23 10:00:00 (CST-6)
Location: EDGAR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding of low water crossings on Hwy 183 north of Cuero.

Flash Flood in KARNES, TEXAS
From 13-MAY-23 07:00:00 to 13-MAY-23 10:00:00 (CST-6)
Location: KARNES CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported FM 1353 was flooded south of Karnes City.

Flash Flood in DE WITT, TEXAS
From 13-MAY-23 07:03:00 to 13-MAY-23 10:00:00 (CST-6)
Location: STEEN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported water over the road on FM 766 southwest of Hochheim.

Flash Flood in DE WITT, TEXAS
From 13-MAY-23 07:18:00 to 13-MAY-23 10:00:00 (CST-6)
Location: LITTLE ST LOUIS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported flooded low water crossings along Hwy 119 northwest of Yorktown.

Flash Flood in LAVACA, TEXAS
From 13-MAY-23 07:20:00 to 13-MAY-23 10:00:00 (CST-6)
Location: YOAKUM MUNI ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported water over the road on FM 318 northeast of Yoakum.

Flash Flood in GONZALES, TEXAS
From 13-MAY-23 07:44:00 to 13-MAY-23 10:00:00 (CST-6)
Location: SATURN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported water over the road on FM 532 east of Gonzales.

Flash Flood in DE WITT, TEXAS
From 13-MAY-23 08:49:00 to 13-MAY-23 10:00:00 (CST-6)
Location: UPPER MEYERSVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported low water crossings flooded on FM 237 between Yorktown and Hwy 183.

Flash Flood in KARNES, TEXAS
From 13-MAY-23 09:34:00 to 13-MAY-23 14:42:00 (CST-6)
Location: GILLETT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported water over the road on FM 887 west of Gillett.

Flash Flood in KARNES, TEXAS
From 13-MAY-23 09:35:00 to 13-MAY-23 14:42:00 (CST-6)
Location: ECLETO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported water over the road on FM 627 south of Gillett.

Flash Flood in GONZALES, TEXAS
From 13-MAY-23 10:41:00 to 13-MAY-23 14:42:00 (CST-6)
Location: WRIGHTSBORO
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Thunderstorms produced heavy rain that led to flash flooding closing FM 3234 south of Wrightsboro.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 17:13:00 to 12-MAY-23 17:13:00 (CST-6)
Location: COMSTOCK
Magnitude: 50.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A thunderstorm produced wind gusts measured at 50 kts by a West Texas Mesonet site along the Rio Grande southwest of Comstock.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 17:15:00 to 12-MAY-23 17:15:00 (CST-6)
Location: AMISTAD RES WEST
Magnitude: 61.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A thunderstorm produced wind gusts estimated at 70 mph that knocked down a tree along the Rio Grande south of Comstock.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 17:21:00 to 12-MAY-23 17:21:00 (CST-6)
Location: AMISTAD RES EAST
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A thunderstorm produced wind gusts measured at 62 mph in the Lake View area north of Del Rio.

Thunderstorm Wind in VAL VERDE, TEXAS
From 12-MAY-23 17:28:00 to 12-MAY-23 17:28:00 (CST-6)
Location: (DRT)DEL RIO INTL AR
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

A thunderstorm produced wind gusts measured at 54 kts by the ASOS at Del Rio International Airport.

Flash Flood in BEXAR, TEXAS
From 13-MAY-23 01:27:00 to 13-MAY-23 04:52:00 (CST-6)
Location: BECKMANN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorms produced heavy rain that led to flash flooding. Bexar Floods reported numerous roads closed in northwestern San Antonio.

Flash Flood in GONZALES, TEXAS
From 13-MAY-23 06:54:00 to 13-MAY-23 10:00:00 (CST-6)
Location: SMILEY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain that led to flash flooding. TXDoT reported water over the road on FM 108 south of Smiley at Smith Creek.

Flash Flood in DE WITT, TEXAS
From 13-MAY-23 06:45:00 to 13-MAY-23 10:00:00 (CST-6)
Location: TERRYVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain that led to flash flooding closing FM 1447 at FM 682 southwest of Terryville.