A cold front moved into South Central Texas and stalled. This lead to the development of two mesoscale convective systems which produced severe thunderstorms and flash flooding. Some of the higher rainfall totals for this event were 4.05 inches in Bexar county, 5.60 inches in Caldwell county, 7.50 inches in Bandera county, and 8.25 inches in Medina county.

Funnel Cloud in BEXAR, TEXAS
From 14-MAY-10 07:45:00 to 14-MAY-10 07:45:00 (CST-6)
Location: HELOTES
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A thunderstorm produced a funnel cloud which was reported by a park ranger at Government Canyon State Park.

Flash Flood in BANDERA, TEXAS
From 14-MAY-10 08:00:00 to 14-MAY-10 08:00:00 (CST-6)
Location: MEDINA LAKE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain which flooded and closed FM1283 and Park Road 37 due to high water.

Flash Flood in MEDINA, TEXAS
From 14-MAY-10 08:15:00 to 14-MAY-10 08:15:00 (CST-6)
Location: RIO MEDINA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain which flooded and closed FM2676. A high water rescue was required.

Hail in COMAL, TEXAS
From 14-MAY-10 09:45:00 to 14-MAY-10 09:47:00 (CST-6)
Location: GRUENE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

A thunderstorm produced pea to penny size hail for two minutes.

Flash Flood in MEDINA, TEXAS
From 14-MAY-10 15:09:00 to 14-MAY-10 15:09:00 (CST-6)
Location: DUNLAY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain which closed US Highway 90 between Hondo and Dunlay due to water expected to cover the road from Hondo Creek.

Flash Flood in MEDINA, TEXAS
From 14-MAY-10 07:10:00 to 14-MAY-10 07:10:00 (CST-6)
Location: CASTROVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: County Official

Thunderstorms produced heavy rain which flooded and closed several low water crossings in Castroville.

Flash Flood in BEXAR, TEXAS
From 14-MAY-10 17:00:00 to 14-MAY-10 17:00:00 (CST-6)
Location: ATASCOSA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain which flooded and closed FM471 at the Medina River.

Flash Flood in BEXAR, TEXAS
From 15-MAY-10 01:45:00 to 15-MAY-10 01:45:00 (CST-6)
Location: CEMENTVILLE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain which left one foot of water over the roadways at Vance Jackson Road at De Zavala Road and McCullough Avenue at Oblate Drive.

Flash Flood in CALDWELL, TEXAS
From 15-MAY-10 02:00:00 to 15-MAY-10 02:00:00 (CST-6)
Location: LOCKHART
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Thunderstorms produced heavy rain which left one foot of water over Medina Street.

Flash Flood in MEDINA, TEXAS
From 15-MAY-10 03:30:00 to 15-MAY-10 03:30:00 (CST-6)
Location: QUIHI
Flood cause: Heavy Rain
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Newspaper

Thunderstorms produced heavy rain and flooding which damaged several homes.

Flash Flood in FAYETTE, TEXAS
From 15-MAY-10 05:00:00 to 15-MAY-10 05:00:00 (CST-6)
Location: LA GRANGE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Thunderstorms produced heavy rain which flooded and closed numerous roads east of FM237 and FM71.

Hail in LLANO, TEXAS
From 15-MAY-10 17:48:00 to 15-MAY-10 17:48:00 (CST-6)
Location: LLANO MUNI ARPT
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GILLESPIE, TEXAS
From 15-MAY-10 18:28:00 to 15-MAY-10 18:28:00 (CST-6)
Location: FREDERICKSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GILLESPIE, TEXAS
From 15-MAY-10 18:38:00 to 15-MAY-10 18:38:00 (CST-6)
Location: FREDERICKSBURG
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Hail in GILLESPIE, TEXAS
From 15-MAY-10 18:45:00 to 15-MAY-10 18:45:00 (CST-6)
Location: FREDERICKSBURG
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in MEDINA, TEXAS
From 14-MAY-10 06:00:00 to 14-MAY-10 06:00:00 (CST-6)
Location: MICO
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Lightning in HAYS, TEXAS
From 15-MAY-10 04:00:00 to 15-MAY-10 04:00:00 (CST-6)
Location: KYLE
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Newspaper

The Austin American Statesman reported that a house caught fire as a result of a lightning strike.  The house was destroyed.

Flash Flood in BEXAR, TEXAS
From 14-MAY-10 13:00:00 to 14-MAY-10 13:00:00 (CST-6)
Location: (RND)RANDOLPH AFB SA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Thunderstorms produced heavy rain which flooded and closed 22 roads in the San Antonio metropolitan area.

Hail in GILLESPIE, TEXAS
From 15-MAY-10 18:33:00 to 15-MAY-10 18:33:00 (CST-6)
Location: FREDERICKSBURG
Magnitude: 1.25 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Flash Flood in COMAL, TEXAS
From 15-MAY-10 01:37:00 to 15-MAY-10 01:37:00 (CST-6)
Location: NEW BRAUNFELS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

Thunderstorms produced 1.3 inches of rain in 37 minutes causing minor flooding.

Flash Flood in MEDINA, TEXAS
From 14-MAY-10 07:42:00 to 14-MAY-10 07:42:00 (CST-6)
Location: QUIHI
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Thunderstorms produced heavy rain which flooded and closed SH 173 due to high water near Verde Creek.