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Event Brief

Flood Advisory Issued for Alameda and Contra Costa

Significant rainfall prompts flood advisory for local counties until 6:15 a.m.
WHO: National Weather Service
WHAT: Flood advisory
WHEN: Dec 23, 2025 at 7:00 PM ET
WHERE: Alameda and Contra Costa counties
WHY: Due to significant rainfall
Sources (1): The Mercury News

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