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    Cold Air Funnel - Independence, Kentucky


    Photographer's description not available

    Photographer Manny Piercefield
    Date taken September 7, 2009
    Location Independence, KY  (Kenton County)     map
    Event Cold air funnel

    Additional notes

    This cold air funnel formed when a cold-core closed midlevel low moved into the Ohio Valley over the Labor Day weekend.  These phenomena are not totally understood by meteorologists, but usually occur when showers develop in the vicinity of an upper low and a pocket of cold air aloft.  Cold air funnels do not form from well-developed supercell thunderstorms, which is usually how most funnel clouds develop.  In fact, most cold air funnels form from weak showers, which may not even contain any lightning.

    Note that the National Weather Service will usually not issue a tornado warning for a cold air funnel.  This is partly due to the fact that they rarely touch down and are nearly impossible to detect on radar.  However if cold air funnels are happening or expected, a special weather statement may be issued.






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