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California Faces Increased Flooding Risks from Stronger Atmospheric Rivers

3/14/2025

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Summary

Story summary

Atmospheric rivers, powerful streams of water vapor, have surged in frequency and intensity over the last 45 years, especially in California. A recent study reveals a 6-9% increase in their area since 1980. While they bring vital rainfall, they also unleash destructive mudslides and flooding, highlighting the urgent need for better preparedness.

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Story summary

Atmospheric rivers, powerful streams of water vapor, have surged in frequency and intensity over the last 45 years, especially in California. A recent study reveals a 6-9% increase in their area since 1980. While they bring vital rainfall, they also unleash destructive mudslides and flooding, highlighting the urgent need for better preparedness.