Area Forecast Discussion
Issued by NWS Atlanta, GA
Issued by NWS Atlanta, GA
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077 FXUS62 KFFC 170155 AFDFFC Area Forecast Discussion National Weather Service Peachtree City GA 955 PM EDT Mon Sep 16 2024 .UPDATE... Issued at 950 PM EDT Mon Sep 16 2024 Models are struggling with the cloud cover on the backside of the east coast low pressure system. Think the cloud cover could expand a bit more westward sooner than the models have forecast. Not confident on exactly how far west, as somewhat drier air/subsidence will likely erode the far western side of the cloud shield. Have taken a blend of the Consshort/NBM for the short term cloud cover. Otherwise, no major changes to the current forecast needed at this time. && .SHORT TERM... (This afternoon through Tuesday) Issued at 225 PM EDT Mon Sep 16 2024 Current satellite loop shows Mid level clouds streaming westward over the state, from the tropical system moving onshore the Carolina coast. The high pressure wedge is still dominating the weather pattern over GA with good easterly surface winds, but it is weakening. This tropical system rotating over the Carolinas is helping to bring in a drier airmass wrapping around the backside of the low center. This drier airmass is diminishing the cloud cover over the state that we have been under for the past few days. Most locations across the area will stay dry through the short term but We still will see a chance for some precipitation from this system. Eastern portions of the state that are closest in proximity to the storm will see a 20% to 30% chance of showers Tonight and Tuesday. Not expecting any thunderstorms. Temperatures tonight and Tuesday night will be mainly in the 60s. High temps Tuesday will be mainly in the 80s with some 70s across the NE GA mountains. 01 && .LONG TERM... (Wednesday morning through next Sunday) Issued at 225 PM EDT Mon Sep 16 2024 The period will begin with an upper trough extending from S New England to the E Gulf of Mexico. This feature will weaken and shift slowly E into the weekend. At the surface, several low pressure centers NE of the area will move off the mid-Atlantic coast with high pressure building along the Eastern Seaboard. This setup will once again produce a CAD wedge along the E side of the Appalachians as we get into the weekend, with cooler temperatures, more clouds, and an increasing chances for showers late in the period. Lingering, wrap- around showers will affect NE zones during the day Wednesday, with mostly dry weather elsewhere. Wednesday`s highs will range from the mid 70s in the NE mountains to the mid to upper 80s across the S half of the area. These temperatures will generally persist into Saturday, with highs on Sunday about 3 to 5 degrees cooler across most of the area. Overnight lows will range from the upper 50s in the NE to the mid 60s across the S through the period. /SEC && .AVIATION... (00Z TAFS) Issued at 729 PM EDT Mon Sep 16 2024 Persistent sct cu will continue overnight. Cu could lower towards MVFR levels towards sunrise. Not confident bkn MVFR will occur. VFR cu should go bkn or ovc by late tomorrow afternoon. Winds will remain east overnight, but a switch to the NW is likely by early tomorrow morning. //ATL Confidence...00Z Update... Med confidence all elements. NListemaa && .PRELIMINARY POINT TEMPS/POPS... Athens 62 80 62 84 / 10 20 10 20 Atlanta 62 83 63 85 / 0 10 0 10 Blairsville 56 73 59 77 / 20 30 20 30 Cartersville 59 83 61 85 / 0 10 0 10 Columbus 63 86 65 87 / 0 10 0 10 Gainesville 62 79 63 83 / 10 20 10 20 Macon 61 86 65 87 / 0 10 0 10 Rome 60 83 62 85 / 0 10 0 10 Peachtree City 59 83 61 85 / 0 10 0 10 Vidalia 63 85 67 87 / 0 10 0 10 && .FFC WATCHES/WARNINGS/ADVISORIES... None. && $$ SHORT TERM...NListemaa LONG TERM....SEC AVIATION...NListemaa