WEATHER »
  • Red Flag Warning for Sierra County, California
  • Red Flag Warning issued September 06 at 7:10PM PDT until September 07 at 8:00PM PDT by NWS
  • Effective: Thursday, September 7, 2017 at 4 a.m.
  • Expires: Thursday, September 7, 2017 at 8 p.m.
  • ...ABUNDANT LIGHTNING POSSIBLE LATE TONIGHT AND THURSDAY...
    A robust upper level weather system off the California coast will
    move inland tonight and Thursday and bring the potential for
    scattered thunderstorms across the region. Abundant lightning
    strikes and gusty, erratic winds may accompany these
    thunderstorms. The combination of frequent lightning and very dry
    fuels may cause critical fire weather conditions for the mountains
    and foothills. Some thunderstorms may drift into the northern
    Sacramento valley and bring and increase for fire starts.
    ...RED FLAG WARNING IS NOW IN EFFECT FROM 4 AM TO 8 PM PDT
    THURSDAY FOR ABUNDANT LIGHTNING FOR FIRE WEATHER ZONES 213, 214,
    215, 263, 266, 267, 268, 269, AND 279...
    The National Weather Service in Sacramento has issued a Red Flag
    Warning, which is in effect from 4 AM to 8 PM PDT Thursday.
    * THUNDERSTORMS...Scattered thunderstorms will be possible with
    some wetting rain, especially for the mountains. Lightning may
    strike outside of rain cores.
    * OUTFLOW WINDS...Gusty, erratic winds are expected near any
    thunderstorms that develop, up to as strong as 40 mph.
    * TIMING...Late tonight into Thursday evening. The most widespread
    thunderstorms are expected Thursday afternoon in the mountains
    from an east to west line through the state from Plumas County
    northward.
    * IMPACTS...any fires that develop from lightning strikes may
    spread rapidly.
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