301 FXUS64 KMRX 241455 AFDMRX AREA FORECAST DISCUSSION National Weather Service Morristown TN 1055 AM EDT Sun Jul 24 2022 .UPDATE... MORNING UPDATE. && .DISCUSSION... No significant changes were made to the forecast for this afternoon during the morning update. Showers and thunderstorms will be isolated for most locations today. The best chance will be near the East Tennessee Mountains and North Carolina Counties. 12Z guidance came in lower than expected for highs today probably due to the high clouds moving in from the north. I only adjusted highs down about one degree in case the clouds clear out later today. McD && .AVIATION... 12Z TAF DISCUSSION. VFR conditions expected to prevail Today with scattered clouds as higher pressure strengthening over the region. Winds expected to be light. Added prob30 group for TS at KTRI this afternoon with best chance over northeast tennessee in late afternoon. TD && .PRELIMINARY POINT TEMPS/POPS... Chattanooga Airport, TN 92 74 91 73 90 / 20 10 50 30 50 Knoxville McGhee Tyson Airport, TN 92 73 91 73 88 / 20 10 60 40 70 Oak Ridge, TN 92 73 89 72 87 / 20 10 60 40 70 Tri Cities Airport, TN 91 70 88 69 84 / 20 20 70 50 70 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && $$