Story perspectives

Climate Change Intensifies Rainfall, Sparks Deadly Flash Floods

2/19/2026

Summary

Story summary

A study published in Nature Communications finds that human-driven climate change increased rainfall intensity: six-hour rainfall rose 21% and the affected area grew 55% since preindustrial times.
Flash floods on October 29, 2024, in Spain's Valencia region killed over 230 people and caused extensive property damage.
Lead author Carlos Calvo-Sancho emphasizes that Mediterranean cities must adapt to climate risks as extreme rainfall becomes more common.

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Story summary

A study published in Nature Communications finds that human-driven climate change increased rainfall intensity: six-hour rainfall rose 21% and the affected area grew 55% since preindustrial times.
Flash floods on October 29, 2024, in Spain's Valencia region killed over 230 people and caused extensive property damage.
Lead author Carlos Calvo-Sancho emphasizes that Mediterranean cities must adapt to climate risks as extreme rainfall becomes more common.