181 FXUS64 KMRX 072318 AFDMRX AREA FORECAST DISCUSSION National Weather Service Morristown TN 618 PM EST Sun Nov 7 2021 .UPDATE... FOR 00Z AVIATION. && .DISCUSSION... Quick update to lower low temperatures across much of the area. Another night of good radiational cooling due to clear sky, dry airmass and calm winds. Areas of frost is expected across the Plateau and central/southern sections of east Tennessee. Will issue a frost advisory there given the ongoing growing season. && .AVIATION... 00Z TAF DISCUSSION. Main concern will once again be the potential of fog development especially at TRI due to location of Boone Lake and CHA due to higher low-level moisture. Otherwise, VFR conditions with surface ridging producing light winds, generally less than 5kts. && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...Frost Advisory from 3 AM EST /2 AM CST/ to 8 AM EST /7 AM CST/ Monday for Anderson-Bledsoe-Bradley-Grainger-Hamblen- Hamilton-Jefferson-Knox-Loudon-Marion-McMinn-Meigs-North Sevier-Northwest Blount-Northwest Cocke-Northwest Monroe- Rhea-Roane-Sequatchie-Union-West Polk. VA...NONE. && $$