Area Forecast Discussion
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986 FXUS62 KTAE 181751 AFDTAE Area Forecast Discussion National Weather Service Tallahassee FL 151 PM EDT Wed Sep 18 2024 ...New AVIATION... .UPDATE... Issued at 1011 AM EDT Wed Sep 18 2024 No major changes to the forecast this morning, outside of the Dense Fog Advisory that was issued earlier today and has since expired. Satellite imagery still shows some lingering stratus over southeast AL and southwest GA, while also depicting convective clouds over the FL Panhandle and southern I-75 corridor in GA. && .NEAR TERM... (Today and tonight) Issued at 221 AM EDT Wed Sep 18 2024 A stationary surface boundary still lingers across the forecast area. Weak convergence, weak upper level vort maxima, and deep moisture will aid in the development of scattered showers and thunderstorms today along a corridor from the Florida panhandle eastward into the big bend and portions of south-central Georgia. Isolated heavy rainfall is possible with slow moving storms today in this corridor. Expect daytime highs generally in the 80s with overnight lows ranging from the upper 60s across the northern counties to the low to mid 70s along the coast. && .SHORT TERM... (Thursday through Friday night) Issued at 221 AM EDT Wed Sep 18 2024 The upper level trough will continue to lift north through the day. North/northwest flow will be predominant and drier air will filter in as a frontal boundary moves through on Thursday. Isolated rain chances are possible along and ahead of the front. Afternoon temperatures will be in the upper 80s/low 90s with morning lows in the upper 60s/low 70s. Winds will begin to shift to northeast during the day on Friday, but will remain light. && .LONG TERM... (Saturday through Tuesday) Issued at 221 AM EDT Wed Sep 18 2024 An upper level ridge will be building in from the west, with northerly flow aloft and easterly flow at the surface. These synoptic conditions will keep our region dry and temperatures steady in the upper 80s/low 90s. Overnight lows will be in the upper 60s/low 70s. For the extended forecast, global models are suggesting possible tropical development in the Western Caribbean; yet, it is too soon to determine any possible track or intensity as models and ensembles indicate high uncertainty at this time. The NHC does have a tropical outlook area of development with an area of low pressure having a 20% chance of development over the next seven days. We will continue to monitor. Now would be a good time to check up on your hurricane kits. && .AVIATION...
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(18Z TAFS) Issued at 136 PM EDT Wed Sep 18 2024 For this afternoon and evening, brief MVFR in TSRA at TLH and VLD, with VCTS at ECP. Thunder should end 22Z-00Z. Otherwise, VFR conditions. For late tonight and Thursday morning, the main concern will be the development of fog, generally in the 09Z-14Z time frame. Confidence in fog is highest at ABY and VLD, with a couple hours of LIFR. Sufficient confidence for a couple hours of MVFR at DHN and TLH. Confidence lower regarding the category restrictions. Meanwhile, don`t expect fog at ECP with this forecast, so maintained VFR.
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&& .MARINE... Issued at 221 AM EDT Wed Sep 18 2024 Light and variable winds anticipated through much of the week with rain chances decreasing after today. East and northeasterly flow is reestablished during the weekend and could lead to cautionary conditions and higher seas during the overnight hours. && .FIRE WEATHER... Issued at 221 AM EDT Wed Sep 18 2024 Fire weather concerns are expected to remain minimal for the next few days with a chance of showers and thunderstorms along the I-10 corridor today. Drier conditions are expected for the remainder of the week. Relative humidity values will remain above critical levels, and fuels are currently moist from recent rainfall. && .HYDROLOGY... Issued at 221 AM EDT Wed Sep 18 2024 Rain chances are light to minimal following today through the next several days as high pressure will expand over the region. There are no river flooding concerns through the rest of this period. .SPOTTER INFORMATION STATEMENT... Spotter activation is not requested. However, spotters are always encouraged to safely report significant weather conditions when they occur by calling the office or tweeting us @NWSTallahassee. && .PRELIMINARY POINT TEMPS/POPS... Tallahassee 86 71 89 70 / 60 0 10 0 Panama City 85 74 88 72 / 40 0 0 0 Dothan 87 70 89 70 / 10 0 0 0 Albany 87 69 87 69 / 10 0 0 0 Valdosta 85 70 88 69 / 60 0 0 0 Cross City 88 72 90 70 / 50 10 20 0 Apalachicola 85 74 86 74 / 50 0 10 0 && .TAE WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AL...None. GM...None. && $$ NEAR TERM...DVD SHORT TERM...Montgomery LONG TERM....Montgomery AVIATION...LF MARINE...Montgomery FIRE WEATHER...DVD HYDROLOGY...Montgomery