Blountville
48° F
Mostly Cloudy
Mostly Cloudy
Greeneville
48° F
Mostly Cloudy
Mostly Cloudy
Abingdon
53° F
Mostly Cloudy
Mostly Cloudy
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Helicopters Fight Frost

Long before sunrise Wednesday morning, four helicopters took to the skies over Sullivan County. Under a cover of darkness, their mission was simple -- protect the tender grape vines below from frostbite.