Aired
October 29, 2025
NOVA
NOVA
Superfloods #S52E18
In September 2024, Hurricane Helene dumped 14 inches of rain on North Carolina, triggering flash floods and killing more than 100 people. Why are these floods on the rise around the world-even in places thousands of feet above sea level?
Episode 18 of Season 52 from NOVA — available to stream in HD on any device.
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