Event narrative (NOAA)
Thunderstorms produced heavy rain that caused flash flooding in Kyle and San Marcos. The majority of the flooding was along the Blanco and San Marcos Rivers. A massive floodwave came down the Blanco River from Wimberley. Huge amounts of debris came with the flood waters. Four people were trapped on a roof awaiting a helicopter rescue in Kyle. I-35 was closed in both directions in San Marcos when the Blanco River flooded and overtopped the interstate. Hwy 80 bridge was also overtopped with flood water just east of I-35. Highway 80 was closed with debris bumping into a bridge structure. Water flooded the Aspen Apartment complex and water was reported to be up to the top of car tires in the parking lot. The Hays County jail in San Marcos was evacuated due to flooding. Many homes along Rive
Other notable flash flood events in Texas
Source: NOAA/NCEI Storm Events Database. Deaths and injuries are those NOAA classifies as direct. Damage is the reporting office's estimate at the time and is not inflation-adjusted. This is a catalogue record, not a forecast.