Flash Flood Warning Issued for Comal, Guadalupe, and Bexar Counties

In-Depth Analysis

The flash flood warning is a result of thunderstorms producing heavy rainfall across portions of Comal, Guadalupe, and Bexar counties. Doppler radar and automated rain gauges confirm that between one and three inches of rain have already fallen, and an additional one to two inches are possible. This heavy rainfall can quickly overwhelm drainage systems, leading to flash flooding in various areas.

Specific locations that are likely to experience flash flooding include major cities and towns such as San Antonio, New Braunfels, Schertz and Cibolo. The warning emphasizes that low-lying areas such as creeks, streams, urban zones, highways, streets, and underpasses are particularly susceptible. Drivers are cautioned to avoid flooded roads, as most flood-related deaths occur in vehicles. The Guadalupe River is especially prone to flooding. Remember: Turn around, don’t drown!

**How to Prepare:** - Monitor local weather reports and heed warnings from the National Weather Service. - Avoid travel in affected areas if possible. - If you must drive, use caution and be prepared to turn around if you encounter flooded roads. - Move to higher ground if flooding occurs in your area.

**Who This Affects Most:** - Residents in low-lying areas and near waterways. - Drivers, especially during commute times. - Individuals living in the cities of San Antonio, New Braunfels, Schertz, and surrounding areas.

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FAQ

Takeaways

• A flash flood warning is in effect for Comal, Guadalupe, and Bexar counties until 5 p.m. CDT on April 20, 2026.
• Heavy rainfall is expected to cause life-threatening flash flooding.
• Avoid travel in affected areas and never drive through flooded roads.

Discussion

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Disclaimer

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