First published 10/11/2026, 8:14:15 AM UTC · Last updated 10/11/2026, 8:14:15 AM UTC

Flash Flood Warning issued October 11 at 12:48AM PDT until October 11 at 3:45AM PDT by NWS Phoenix AZ

NWS Phoenix issued a Flash Flood Warning for central Imperial County, California, through 3:45 a.m. PDT on October 11, after radar indicated thunderstorms and ongoing or imminent flash flooding. The alert names Brawley, Westmorland and Calipatria and warns of life-threatening flooding.

Illustrative image: Keith Coogan and his date talk with River Phoenix (back to camera). Phoenix's date Martha Plimpton can be seen in shiny white dress at left. Photo taken at the Governor's Ball following the telecast of the 61st Annual Academy Awards, March 29, 1989. NOTE: Permission granted to copy, publish, broadcast or post any of my photos, but please credit "photo by Alan Light" if you can. Thanks. Scanned from the original 35MM film negative. — Alan Light/Wikimedia Commons, CC BY 2.0

Why it matters

The warning identifies life-threatening flash flooding and instructs people to avoid flooded roads.

Location

Categories: severe-weather-and-natural-disasters

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 8/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 5/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Positivity: 1/10How harmful or beneficial the event is, from strongly harmful (1) to strongly positive (10).
Urgency: 9/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Sources

Primary official sourceFlash Flood Warning issued October 11 at 12:48AM PDT until October 11 at 3:45AM PDT by NWS Phoenix AZ

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