812 FXUS64 KMRX 130520 AFDMRX AREA FORECAST DISCUSSION National Weather Service Morristown TN 120 AM EDT Mon Sep 13 2021 .UPDATE... FOR 06Z AVIATION. && .DISCUSSION... Fog the last few night has been mainly confined to rivers and lakes, but it could be a little more extensive tonight. Dewpoints have risen into the 60s across the area, higher than the last few nights. Models depict greater fog coverage across the Valley as well. The forecast of patchy fog for most of the area looks reasonable. The update will adjust temperatures downward and dewpoints upward based on the latest obs, and forecast lows will be lowered a degrees or two in a few spots. DGS && .AVIATION... 06Z TAF DISCUSSION. Mostly VFR through this taf cycle as high pressure prevails, however am expecting some patchy fog this morning at TRI with restrictions in the IFR/LIFR range. As for CHA/TYS, guidance is less aggressive at the former thus no mention in taf, but did favor a tempo for MVFR fog at the later. All fog should erode after sunrise with low VFR cu beneath high cirrus for the remainder of the day amidst light sly/vrb winds. CDG && .PRELIMINARY POINT TEMPS/POPS... Chattanooga Airport, TN 89 67 87 68 84 / 10 10 20 20 40 Knoxville McGhee Tyson Airport, TN 88 66 87 67 85 / 0 0 20 10 40 Oak Ridge, TN 88 65 87 66 84 / 0 0 20 10 40 Tri Cities Airport, TN 87 63 87 63 85 / 0 0 20 10 30 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$