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

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000 FXUS64 KMRX 210007 AFDMRX Area Forecast Discussion National Weather Service Morristown TN 807 PM EDT Sun May 20 2018 .AVIATION... VFR flighte categories will last through late tonight before fog and low clouds become a concern. Expect to see visbility lower at KTRI starting around 09z-10z, with a return to VFR levels shortly after daybreak. Plenty of rainfall fell in the vicinity of KCHA this afternoon. Model guidance hints at more of a low cloud setup tonight versus a fog pattern. Have trended in this direction, advertising some BNK-OVC150 ceilings there. Visibility may drop as well, but think only MVFR retrictions would be seen and widespread low ceilings would be the predominant flight category issue. The boundary layer will overturn after sunrise so a return to VFR ceilings should occur by midday or so. KTYS should not see any restrictions through the period. && .MRX WATCHES/WARNINGS/ADVISORIES... NC...None. TN...None. VA...None. && $$ CD

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