• 'Derecho' sweeps through Green Country Thursday

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    TULSA, Okla. - Quick Facts:

    Thursday’s damaging storm that swept through Green Country was determined to be a derecho.

    It’s not a term we’re used to hearing, so what is a derecho?

    GALLERY: July 14 storm in Green Country

    A derecho is a long-lasting storm that produces wind speeds greater than 57 miles per hour and does so along a continuous path longer than 240 miles.

    RELATED: Green Country cities announce storm debris pickup

    FOX23 Chief Meteorologist James Aydelott explains derechos on Facebook Live:

    RELATED: Facts about derechos from the National Weather Service

    Wind speeds were recorded as high as 80 mph in the Haskell area and 90 mph from south Tulsa County through Wagoner and Muskogee counties during the height of the storm

    GALLERY: Coweta school damaged by storms

    The last derecho to hit Green Country was July 23-24, 2013.  

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