California faces risks from atmospheric river impacts
California faces risks from atmospheric river impacts
US · Published Sep 16, 2026
California continues to face significant risks from natural hazards, including atmospheric rivers, which have caused severe flooding, landslides, and debris flows in recent years.
During a February storm, torrential rainfall on fire-scarred areas led to flash flooding and landslides, highlighting the challenges of forecasting and emergency response.

Impact & Risks

Atmospheric rivers and other extreme weather events pose ongoing risks to California, particularly in areas affected by wildfires. Burn scars increase the likelihood of landslides and debris flows during heavy rainfall. Inadequate forecasting models can limit evacuation time, putting lives and property at risk. The anticipated 'super El Niño' could exacerbate these hazards, leading to widespread flooding and infrastructure damage (Lofgren, 2026).

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