Why is THIS the DEADLIEST river in the US?

From PBS Terra.

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Why is the Guadalupe River the most dangerous river in the US? Hidden in the heart of "Flash Flood Alley," the Guadalupe River holds a lethal secret. While the US map is dotted with flood zones, a shocking statistical anomaly exists over Central Texas—a "deadly cluster" where the geography of the Hill Country meets the volatile energy of the Gulf of Mexico.

In this episode of Weathered, host Maiya May dives into the science of "Impossible Rain" and the "Rain Bombs" that fueled the devastating 2025 Central Texas Floods. We explore why the Guadalupe is uniquely prone to transforming into a racing wall of water with almost no warning, and how superheated Gulf air is changing the math on what a "100-year flood" actually looks like.

In this episode, we break down:

The Geography of Danger: Why the Texas Hill Country acts as a funnel for catastrophic surges.

The 2025 Impact: A look at the data behind the recent deadly July flooding.

The Science of "Impossible Rain": How a warming climate is supercharging local weather patterns.

Saving Lives: The new tower-based monitoring systems and early-warning research being deployed to predict the unpredictable.

From meteorologists to real-time flood researchers, meet the people working to prevent deaths along this underestimated river basin.

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