072 FXUS62 KFFC 010015 AFDFFC Area Forecast Discussion National Weather Service Peachtree City GA 815 PM EDT Mon Aug 31 2020 .PREV DISCUSSION... /Issued 357 PM EDT Mon Aug 31 2020/ SHORT TERM /Tonight through Tuesday Night/... The region remains situated under near-zonal flow on the eastern edge of a broad upper trough, and just outside the periphery of a surface high to the east. Ample tropical moisture and daytime heating will promote diurnal showers and thunderstorms today and Tuesday as a few upper level disturbances traverse the flow aloft. Short-term models continue to show more coverage in activity over portions of north and western Georgia tomorrow with short wave, and forecast pops continue to be in the likely category for some of this area. Near normal temperatures are expected through the period, though the combination of these highs and ample humidity will push the state to near Heat Advisory criteria Tuesday. Overnight shift will need to watch for possible issuance. 31 LONG TERM /Wednesday through Monday/... High pressure will begin to shift offshore on Wednesday and Thursday a frontal boundary approaches from the west. The boundary looks to move through much of the CWA through the early part of the weekend, but may end up stalling across southern portions of the state. High pressure will build in from the north for the latter part of the weekend into early next week. A mostly diurnal pattern is expected through much of the extended forecast. However, convection may be a bit enhanced along the frontal boundary which will provide a bit more organized convergence. No major changes to the ongoing pop forecast needed at this time. Heat Index Values/Apparent Temperatures will get very close to Heat Advisory criteria from Wednesday through Friday of this week. The heat and humidity will combine to potentially create Heat Index/Apparent T values of 105 or greater, mainly along and south of a line from Athens to Columbus. If Heat Advisories have to be issued this week, it would be the first issuance(s) of this summer. NListemaa AVIATION... 18Z Update... Expect MVFR/VFR cigs to prevail this afternoon and evening, with precip coverage increasing over the next few hours. At this time, have removed TEMPO TS for the Atlanta-area TAF sites due to lower confidence of those sites being directly impacted by TS. Showers are still expected. For all sites winds will remain on the west side at 8kt or less, except near storms where winds could gust to 20-25 mph. Expect storms to diminish 01-03z, with degrading conditions overnight. SCT-BKN 006-010 cigs should develop by 08-10z, with improvement after sunrise. TS possible after 18z Tuesday. && .AVIATION... 00Z Update... Expect VFR to MVFR ceilings through the period with diurnally driven convection this evening and again Tue Afternoon. Winds will stay out of the W-SW in the 5-10kt range. Will see some higher gust in and around any showers and thunderstorms. VSBYs will stay mainly VFR as well. //ATL Confidence...00Z Update... Confidence high on all elements 01 && .PRELIMINARY POINT TEMPS/POPS... Athens 73 90 73 92 / 20 40 30 20 Atlanta 73 89 74 92 / 30 50 30 20 Blairsville 67 84 68 86 / 30 50 40 20 Cartersville 72 89 73 92 / 30 40 30 20 Columbus 75 93 75 95 / 20 50 20 20 Gainesville 72 88 73 90 / 20 40 30 20 Macon 73 92 74 94 / 20 40 20 20 Rome 72 89 73 92 / 50 50 30 20 Peachtree City 72 90 72 92 / 30 50 30 20 Vidalia 75 93 76 95 / 30 30 20 30 && .FFC WATCHES/WARNINGS/ADVISORIES... NONE. && $$ SHORT TERM...31 LONG TERM....NListemaa AVIATION...01