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Flash Flood Warnings and Advisories Persist Across Southern California After Intense Downpours

Radar-confirmed cloudbursts dropping up to 1.5 inches triggered urgent guidance to avoid flooded roads.

Overview

  • San Bernardino County received a midday flash flood warning near Twentynine Palms along Highway 62, where radar showed heavy rain and flooding expected to begin shortly.
  • An early-morning flash flood warning for Riverside and Imperial counties reported 1 to 1.5 inches already fallen with up to another half inch possible, posing a life-threatening risk in washes, creeks and underpasses.
  • Additional flood advisories covered Riverside and San Bernardino counties through Saturday evening for minor flooding in low-lying and poor drainage areas.
  • A separate Friday night flood advisory was issued for Dale, Geneva and Houston counties in southeast Alabama due to ponding on roads and in urban drainage.
  • Officials urged drivers to turn around at flooded crossings, check CalTrans for closures, and use county fire stations’ limited sandbag supplies while monitoring NWS updates and local alert systems.