A cold front moved through South Central Texas and generated thunderstorms. Some of these storms produced large hail and heavy rain that led to flash flooding.

Hail in KENDALL, TEXAS
From 11-APR-17 03:22:00 to 11-APR-17 03:22:00 (CST-6)
Location: BOERNE SABINA ARPT
Magnitude: 1.25 
Reported by: Law Enforcement

A thunderstorm produced hail larger than quarters along I-10 just northwest of Boerne.

Hail in KENDALL, TEXAS
From 11-APR-17 03:30:00 to 11-APR-17 03:30:00 (CST-6)
Location: BOERNE SABINA ARPT
Magnitude: 1.00 
Reported by: Trained Spotter

A thunderstorm produced quarter size hail five miles north of Boerne.

Hail in HAYS, TEXAS
From 11-APR-17 10:04:00 to 11-APR-17 10:04:00 (CST-6)
Location: DRIPPING SPGS
Magnitude: 1.00 
Reported by: Public

The Dripping Springs Fire Department relayed a spotter report of a thunderstorm producing quarter size hail.

Hail in WILLIAMSON, TEXAS
From 11-APR-17 10:05:00 to 11-APR-17 10:05:00 (CST-6)
Location: LEANDER
Magnitude: 0.75 
Reported by: Public

Hail in HAYS, TEXAS
From 11-APR-17 10:54:00 to 11-APR-17 10:54:00 (CST-6)
Location: SAN MARCOS LOWMAN AR
Magnitude: 0.88 
Reported by: Broadcast Media

Hail in HAYS, TEXAS
From 11-APR-17 10:55:00 to 11-APR-17 10:55:00 (CST-6)
Location: SAN MARCOS LOWMAN AR
Magnitude: 0.75 
Reported by: Broadcast Media

Hail in HAYS, TEXAS
From 11-APR-17 11:38:00 to 11-APR-17 11:38:00 (CST-6)
Location: SAN MARCOS LOWMAN AR
Magnitude: 1.00 
Reported by: Public

Hail in COMAL, TEXAS
From 11-APR-17 12:15:00 to 11-APR-17 12:15:00 (CST-6)
Location: NEW BRAUNFELS
Magnitude: 1.00 
Reported by: Public

Thunderstorm Wind in GUADALUPE, TEXAS
From 11-APR-17 12:20:00 to 11-APR-17 12:20:00 (CST-6)
Location: SEGUIN GUADALUPE ARP
Magnitude: 61.00 EG
Reported by: Trained Spotter

Thunderstorms produced wind gusts estimated at 70 mph that knocked down five power lines on Cordova Rd. near Geronimo.

Flash Flood in LLANO, TEXAS
From 10-APR-17 22:56:00 to 11-APR-17 00:45:00 (CST-6)
Location: FIELD CREEK
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 closing CR 405 at San Fernando Creek.

Flash Flood in KENDALL, TEXAS
From 11-APR-17 04:55:00 to 11-APR-17 06:15:00 (CST-6)
Location: WELFARE
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 numerous roads in southwestern Kendall County near Boerne.

Flash Flood in GUADALUPE, TEXAS
From 11-APR-17 13:24:00 to 11-APR-17 16:30:00 (CST-6)
Location: MC QUEENEY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorms produced heavy rain that led to flash flooding closing FM 78 near Youngs Creek in McQueeney.

Flash Flood in COMAL, TEXAS
From 11-APR-17 13:26:00 to 11-APR-17 16:30:00 (CST-6)
Location: NEW BRAUNFELS MUN AR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Thunderstorms produced heavy rain that led to flash flooding closing FM 758 at Alligator Creek near the New Braunfels Airport.

Flash Flood in LLANO, TEXAS
From 10-APR-17 23:03:00 to 11-APR-17 00:45:00 (CST-6)
Location: CASTELL
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 closing RM 152 along the Llano River from Castell to Llano.

Flash Flood in HAYS, TEXAS
From 11-APR-17 12:22:00 to 11-APR-17 14:00:00 (CST-6)
Location: SAN MARCOS LOWMAN AR
Flood cause: Heavy Rain
Property damage: 500.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain (up to 8 inches) that led to flash flooding in San Marcos. The I-35 frontage roads from Hwy 80 to McCarty Ln. and Hwy 123 south of the city were closed due to water over the road. Several people had to be rescued from their cars. Emergency Management reported 60 water rescues.  There were 35 residential properties damaged and 7 commercial properties damaged.  Monetary damage estimates include infrastructure damage and flooded cars.  Crop damage is unknown.  Nearly 3000 people were without power.  Along with the flash flooding, winds up to 70 mph and dime size hail were reported.

Flash Flood in HAYS, TEXAS
From 11-APR-17 11:20:00 to 11-APR-17 14:00:00 (CST-6)
Location: SAN MARCOS LOWMAN AR
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced heavy rain that led to flash flooding with a high water rescue on San Antonio St. in San Marcos. Rains totaled near 8 inches in part of the City of San Marcos and surrounding areas mainly south and east of town.

Flash Flood in LLANO, TEXAS
From 10-APR-17 22:40:00 to 11-APR-17 00:45:00 (CST-6)
Location: VALLEY SPGS
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 several county roads west of Llano.