The NWS forecasts the first winter storm of the season to arrive tomorrow, Wednesday, and linger through the weekend. While Sonoma County is expected to experience the most significant impacts, Marin County can anticipate heavy rainfall and strong winds. This first atmospheric river serves as an important reminder for the community to prepare NOW for this and future winter storms.
The National Weather Service has issued the following for Marin County:
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Wind Advisory in effect from tonight, November 19 through the morning of November 21.
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Flood Watch in effect from tomorrow morning, November 20 through Friday morning November 22.
Here’s what we know!
- Heavy rainfall primarily Wednesday morning 11/20/24 through Thursday 11/21/24 night, with lighter rain extending through the weekend.
- Within these 48 hours of heavy rain, there is high confidence of 3-4” across the County. Portions of northwest Marin, Tam Valley and Canal could see between 4-6”.
- High winds of 40 – 50 mph.
- Impacts could include flooding and power outages.
Sandbags
We advise that you do your best to sandbag vulnerable areas at your home to limit potential damage. We have sand available in the Community Center parking lot at 203 Marin Avenue. Bring your own shovel to fill bags. Limited bags available to fill; please consider bringing your own. Please be mindful of saving sand for your neighbors and only take what you need.
Marin County Emergency Portal
For more storm preparation tips and the latest information regarding significant incidents or events in Marin along with resources and/or actions for community members go to emergency.marincounty.gov
Where to get updated weather information:
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