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Evacuation Warnings and Road Closures as Atmospheric River Targets Southern California Tonight

Forecasters warn burn scars face a high risk of fast‑moving debris flows during the storm.

Overview

  • Evacuation warnings are in effect from 6 p.m. Thursday through 11 a.m. Sunday for Los Angeles city and county neighborhoods near recent burn scars, including zones linked to the Palisades, Sunset, Hurst, Eaton, Canyon, Bethany, Kenneth, Lidia, Franklin and Bridge fires.
  • National Weather Service guidance calls for about 1 to 3 inches of rain in metro areas and 2 to 5 inches in mountains and foothills, with brief rates up to 0.75 inch per hour that could trigger flash‑flood and debris‑flow alerts.
  • Caltrans will close Topanga Canyon Boulevard (SR‑27) between Pacific Coast Highway and Grand View Drive at 10 p.m. Thursday, and the road will remain shut until conditions improve.
  • Los Angeles will activate its Emergency Operations Center at 6 p.m., and LAPD officers will go door‑to‑door in high‑risk areas to deliver information and warnings.
  • The system, described as a moderate atmospheric river along a cold front, is expected to deliver its heaviest rain Thursday night into Friday and again Friday night into Saturday, with higher‑elevation areas near Santa Barbara potentially seeing 4 to 6 inches.