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Area Forecast Discussion
Issued by NWS Atlanta, GA
Issued by NWS Atlanta, GA
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853 FXUS62 KFFC 150524 AFDFFC Area Forecast Discussion National Weather Service Peachtree City GA 124 AM EDT Thu Aug 15 2024 ...New 06Z Aviation Discussion... .SHORT TERM... (This afternoon through Thursday) Issued at 142 PM EDT Wed Aug 14 2024 At a glance: -Period of calm weather continues. -Temps remain warm, but conditions continue to trend drier. Another beautiful summer day is expected for the short term. Temperatures are on the warm side today and tomorrow with highs in the low to mid 90s. Td`s with easterly flow will be in the mid 50s which will continue to keep a lid on the heat index. In fact, we`re not expecting any areas of our CWA to break triple digit HI values today or tomorrow. The weather element also remains quiet and will continue to do so largely thanks to Hurricane Ernesto as it moves north over the Atlantic. It will help to keep the flow generally E/NE. This setup looks more like October than August, but you won`t get any complaints from us. Vaughn && .LONG TERM... (Friday morning through next Tuesday) Issued at 142 PM EDT Wed Aug 14 2024 A little taste of fall in the extended...a least a faux fall for August. By Friday AM, hurricane Ernesto should be approaching Bermuda as it tracks north in response to a deepening trof off the east coast of the US. The combination of Ernesto and the upper level energy moving through the great lakes will act to reinforce the trof over the eastern US this weekend. As a result a frontal boundary is slated to approach during the day Friday into early Saturday which will result in increased pops during the first part of the weekend. Instability looks modest along and ahead of the boundary, with the best look...albeit marginal, on Saturday if any storms and develop along or south of the frontal boundary. SPC does include a marginal risk for severe for the northern portion of the state for day 3 which extends into early Saturday which aligns fairly well with mid level lapse rates around 6 deg/c/km and aoa 2000 j/kg SBcapes. Main risk would appear to be winds, small hail, and lightning. With not much mid and upper level support, would not expect anything more than isolated, but still worth mentioning and monitoring. Beyond Saturday/post frontal, drier air both at the surface and aloft work into the region as the upper trof really settles into the area. Lower to middle 60 dewpoints move in late Sunday into Monday making it noticeably drier...and cooler in the evenings/overnight through the remainder of the extended. For the last portion of the extended period...some uncertainties with how the trof exits the region and whether it leaves behind a cut off low or lifts out all of the energy as ridging attempts to build back in from the west. The cutoff solution would certainly raise pops and lower temps next week...but will have to wait and see how it trends. 30 && .AVIATION... (06Z TAFS) Issued at 123 AM EDT Thu Aug 15 2024 VFR through period, chances for brief few/sct MVFR early this morning 12-16z. VFR cu of 4-6kft during day. Winds remain SE at 3- 7kts, become S overnight tonight. No precip anticipated. //ATL Confidence...06Z Update... Medium Cigs this morning. High all other elements. SM && .PRELIMINARY POINT TEMPS/POPS... Athens 69 92 71 94 / 0 10 20 30 Atlanta 71 93 73 93 / 0 20 30 50 Blairsville 64 86 66 86 / 0 40 50 50 Cartersville 70 93 72 93 / 0 30 40 50 Columbus 72 95 73 96 / 0 10 10 40 Gainesville 69 91 73 91 / 0 20 30 40 Macon 69 92 70 94 / 0 0 10 30 Rome 71 93 72 92 / 0 40 40 60 Peachtree City 69 93 71 93 / 0 10 20 40 Vidalia 69 91 69 93 / 0 0 0 10 && .FFC WATCHES/WARNINGS/ADVISORIES... None. && $$ SHORT TERM...Vaughn LONG TERM....30 AVIATION...SM