Flash Flood in Mason County, Texas
Flash Flood July 4, 2025 · Mason County, Texas
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Law enforcement reported that the split at State Highway 29 and US Highway 377 was flooded, west-northwest of the city of Mason. Time was estimated by radar.
The wider storm
Devastating and historic flash flooding occurred in northern and northeast portions of the Northwest Hill Country on July 4th with damage to many roads and houses. The combination of abundant tropical moisture associated with the remnants of Tropical Storm Barry and a weak upper level storm system, led to very slow moving or stationary thunderstorms producing very heavy and efficient rainfall. The heaviest rainfall amounts were 10 to 16 inches with localized rainfall totals of near 25 inches in northwest portions of Mason County.
Began near Grit (30.7857, -99.3257).
Source: NOAA Storm Events Database, event 1283032. Narratives are written by the National Weather Service forecast office that issued the report.
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