Weather Alerts | NBC Bay Area

WEATHER ALERTS

  • Fire Weather Warning

    Napa, CA

    454 AM PST Wed Nov 20 2019

    ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 AM PST THURSDAY FOR
    DRY OFFSHORE WINDS FOR FIRE WEATHER ZONES 507 AND 511...

    * AFFECTED AREA...North Bay Mountains above 1000 feet, East Bay
    Hills above 1000 ft, and the Diablo Range. Fire weather zones
    507 and 511.

    * WIND...North to northeast winds 20 to 30 mph with gusts 35 to
    45 mph. Local gusts at isolated peaks and ridgetops may
    approach and possibly exceed 60 mph.

    * HUMIDITY...Wednesday afternoon relative humidity values
    dropping to 15 to 30 percent. Poor recoveries are forecast on
    Wednesday night with relative humidity values in the 30 to 45
    percent range with localized values down to 25 percent.

    * IMPACTS...Any fires that develop will likely spread rapidly.
    Outdoor burning is not recommended.

    PRECAUTIONARY/PREPAREDNESS ACTIONS...

    A Red Flag Warning means that critical fire weather conditions
    are either occurring now...or will shortly. A combination of
    strong winds...low relative humidity...dry fuels...and warm
    temperatures can contribute to extreme fire behavior.



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Weather Video Forecast

<p>Winds will increase today causing high fire danger in the hills. Meteorologist Kari Hall has details in the Microclimate Forecast.</p>

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