Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN

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000 FXUS64 KMRX 121522 AAA AFDMRX Area Forecast Discussion...UPDATED National Weather Service Morristown TN 1022 AM EST Tue Dec 12 2017 .DISCUSSION...
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Short-wave has moved east of the area with cold air advection taking place over the Tennessee Valley and southern Appalachians. The cold air aloft has destabilized the boundary layer with scattered showers developing. Temperature profile currently supports rain, but as cold air deepens then precipitation will change to snow showers and flurries this afternoon. Cold air advection and plenty of clouds this afternoon will pull temperatures downward this afternoon with highs today this morning. Will keep current advisory in place.
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&& .PRELIMINARY POINT TEMPS/POPS...
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Chattanooga Airport, TN 46 27 47 33 / 10 0 0 10 Knoxville McGhee Tyson Airport, TN 44 24 43 30 / 30 0 0 10 Oak Ridge, TN 43 22 42 30 / 30 0 0 10 Tri Cities Airport, TN 42 17 37 27 / 40 10 0 10
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&& .MRX WATCHES/WARNINGS/ADVISORIES... NC...None. TN...Winter Weather Advisory until 7 PM EST this evening for Blount Smoky Mountains-Cocke Smoky Mountains-Johnson-Sevier Smoky Mountains-Southeast Carter-Southeast Greene-Unicoi. Wind Chill Advisory from 10 PM this evening to 7 AM EST Wednesday for Blount Smoky Mountains-Cocke Smoky Mountains- Johnson-Sevier Smoky Mountains-Southeast Carter-Southeast Greene-Unicoi. VA...None. && $$

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