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Severe Cross-Country Storm Triggers Evacuations and Threatens Millions

A powerful atmospheric river storm is bringing heavy rain, snow, and extreme weather risks from California to the eastern United States this week.

Image
Dust from a burned hillside, commonly referred to as moonscape by firefighters is seen on a hill during the Palisades Fire near the Tarzana neighborhood of Los Angeles in January. 
Homes destroyed in the Palisades Fire on Feb. 27, 2025, in Pacific Palisades, Calif.
A group of firefighters traverse a steep hill while battling the Palisades Fire in the Mandeville Canyon neighborhood of Los Angeles in January. 

Overview

  • California faces evacuation orders and warnings due to flooding and debris flow risks, particularly in areas recently affected by wildfires like the Palisades and Eaton burn scars.
  • The storm is expected to deliver heavy rain, mountain snow, and strong winds across California, with significant impacts on travel in the Sierra Nevada and Bay Area regions.
  • As the system moves eastward, it will intensify, creating conditions for severe thunderstorms, tornadoes, and fire risks across the Plains and Mississippi Valley.
  • The central U.S. is under high wind advisories, with gusts exceeding 65 mph anticipated, raising concerns about widespread power outages and wind-driven wildfires.
  • The storm will culminate in blizzard conditions and severe weather across parts of the Midwest and Southeast, with dangerous nighttime tornadoes posing heightened risks.