Summary
Flash floods in Texas on July 4, 2025, were caused by sudden, heavy rain, with up to 12 inches falling quickly. Climate change is increasing the risk of such extreme rain events across the U.S. because a warmer atmosphere holds more moisture, leading to more severe storms and flooding.
Key Facts
- Flash floods in Texas were caused by up to 12 inches of rain in a short time.
- The floods occurred in a region called Flash Flood Alley due to its terrain and frequent heavy rainfall.
- Climate change is causing more extreme rainstorms across the U.S., increasing flood risk.
- A warmer atmosphere holds more moisture, leading to heavier rainfalls than in the past.
- The recent storm in Texas was influenced by leftover moisture from Tropical Storm Barry.
- Warmer air and ocean temperatures lead to wetter tropical storms and hurricanes.
- Over one third of inland flood damages from 1988 to 2021 are linked to human-caused climate change.
- Despite growing risks, many U.S. communities aren't updating infrastructure to handle more intense rain events.
