A stalled front along with abundant moisture and an upper level disturbance produced  heavy rainfall across many areas of the Coastal Bend on May 13th, 2015. Average rain amounts of 3 to 4 inches fell with isolated amounts between 6 to 8 inches during the morning of the 13th on the south side of Corpus Christi including Flour Bluff, North Padre Island, and Mustang Island. This rainfall came on the heels of another heavy rain event, that occurred in the previous two days.
Many streets and subdivisions in Corpus Christi were flooded. Some roads were even closed for a portion of the day. Many Corpus Christi schools delayed classes due to the widespread flooding. Similar conditions occurred in Orange Grove, Agua Dulce, and Freer.
Several thunderstorms throughout the morning and afternoon hours exhibited signs of rotation. There were several reported funnel clouds across the area. One brief tornado touchdown was reported around 20 miles southwest of Freer in northern Webb County.

Funnel Cloud in MCMULLEN, TEXAS
From 13-MAY-15 13:20:00 to 13-MAY-15 13:20:00 (CST-6)
Location: TILDEN
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

McMullen County Sheriff Deputy reported a funnel cloud north of Tilden.

Tornado in WEBB, TEXAS
From 13-MAY-15 17:26:00 to 13-MAY-15 17:28:00 (CST-6)
Location: OILTON
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Amateur Radio

Tornado touched down over open country southwest of Freer.

Flash Flood in NUECES, TEXAS
From 13-MAY-15 07:05:00 to 13-MAY-15 08:40:00 (CST-6)
Location: LA ROSE
Flood cause: Heavy Rain
Property damage: 250.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding occurred across the northwest portion of Nueces County affecting the communities of Agua Dulce and Banquete. Farm to Market Road 666 from just south of Bluntzer to Banquete was closed due to flooding along with FM 624 west of Bluntzer. Numerous county roads were closed from south of Agua Dulce to west of Bluntzer. Water reached several homes and businesses in Agua Dulce. Orange Grove Volunteer Fire Department helped a man from a trailer flooded near Farm to Market Road 1833.

Funnel Cloud in DUVAL, TEXAS
From 13-MAY-15 10:18:00 to 13-MAY-15 10:18:00 (CST-6)
Location: FREER MUNI ARPT
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Off duty Fire Official witnessed a funnel cloud descend from a well developed wall cloud.

Flash Flood in DUVAL, TEXAS
From 13-MAY-15 10:10:00 to 13-MAY-15 11:15:00 (CST-6)
Location: FREER
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Water flowed over Highway 16 just south of Freer. Highway 44 east of Freer was flooded.

Flash Flood in JIM WELLS, TEXAS
From 13-MAY-15 08:05:00 to 13-MAY-15 09:25:00 (CST-6)
Location: CASA BLANCA
Flood cause: Heavy Rain
Property damage: 100.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Widespread flooding occurred around the city of Orange Grove. The Orange Grove Volunteer Fire Department reported water reached a few homes in the town.
Numerous county roads were closed from Orange Grove to Sandia. Water flowed across Highway 359 near Sandia.

Flash Flood in NUECES, TEXAS
From 13-MAY-15 05:40:00 to 13-MAY-15 07:50:00 (CST-6)
Location: LAGUNA VISTA
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Major street flooding occurred at multiple locations in the south side of Corpus Christi.
Staples Street (Farm to Market Road 2444) was closed at the Oso Creek bridge due to high flood waters. FM 2444 was closed near County Roads 41 and 41A west of Oso Creek due to flooding.

Tornado in VICTORIA, TEXAS
From 13-MAY-15 15:01:00 to 13-MAY-15 15:01:00 (CST-6)
Location: TELFERNER
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Victoria Fire Marshall reported a tornado lasted less than a minute to the southeast of Victoria Regional Airport near Farm to Market Road 1686 and Gin Road.

Lightning in NUECES, TEXAS
From 13-MAY-15 06:30:00 to 13-MAY-15 06:30:00 (CST-6)
Location: BANQUETE
Property damage: 50.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Lightning struck an oil tank causing an explosion and fire. The tank was near Farm to Market Road 666 and County Road 83 north of Banquete.