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Heavy Rainfall Alert: What's Coming for California?
California, USAWednesday, November 12, 2025
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A powerful atmospheric river is heading towards California, starting in the north on November 12 and moving south the following day. This weather pattern could bring:
- Heavy rain
- Thunderstorms
- Potential flooding to coastal areas
Recent King Tides and Current Conditions
The recent King Tides have already caused flooding issues along the central and northern coasts. With roads already struggling to stay clear, the upcoming storms could exacerbate the situation.
High Risk of Debris Flows
The risk of debris flows in mountain areas remains high, especially since it's been nearly a year since:
- The devastating Mountain Fire in Ventura County
- The Palisades and Eaton Fires in Los Angeles County
Northern California and the Bay Area
- Rain expected to start: November 12
- Slight chance of thunderstorms
- Storm continues into: November 14
- Light rain showers expected
- Strong winds can blow debris and make driving hazardous
Southern California and the Central Coast
- Rain starts: Late on November 12
- Peak of the storm:
- Early on November 13 in San Luis Obispo and Santa Barbara counties
- Later in the morning in Ventura and Los Angeles counties
- Storm persists into: November 14
- Rainfall amounts:
- Mountains and hills: 2 to 4 inches
- Lowlands: 1 to 2 inches
Safety Tips
- Driving in flooded areas:
- Saltwater can damage vehicles
- Driving around barriers can be dangerous due to unseen hazards
- Even a few inches of swiftly moving water can carry a vehicle away
- Speeding through flooded areas can cause wakes that damage property
Allow extra time for travel due to potential road closures and increased traffic congestion
- Homeowners in flood-prone areas:
- Look for sandbag stations to protect properties
- Stay informed about up-to-date road conditions and closures
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