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Emergency Declared as Christmas Atmospheric River Batters Southern California

Burn-scarred hillsides around Los Angeles face a high debris-flow risk during a week of heavy rain.

Overview

  • Governor Gavin Newsom declared a state of emergency for Los Angeles and multiple southern counties as forecasters warned that lives and property are at risk.
  • Los Angeles authorities ordered evacuations for more than 200 households and opened shelters, with wider neighborhoods under pre-evacuation notices.
  • The National Weather Service labeled the system a very dangerous storm, forecasting up to more than 30 centimeters of rain and a high likelihood of flash flooding, landslides and mudflows through Friday.
  • Strong gusts exceeding 80 km/h, saturated soils and heavy downpours have already downed trees, cut power to thousands and closed some roads, with a brief tornado warning issued in the county.
  • Areas hit by January wildfires, including Pacific Palisades and Malibu, are under reinforced watch for debris flows, while the Sierra Nevada has reported more than 30 centimeters of snow with additional accumulation expected.