Area Forecast Discussion
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703 FXUS62 KTAE 192350 AFDTAE Area Forecast Discussion National Weather Service Tallahassee FL 750 PM EDT Thu Sep 19 2024 ...New AVIATION... .NEAR TERM... (Through Friday) Issued at 342 PM EDT Thu Sep 19 2024 High pressure gradually builds into the region as the flow aloft becomes increasingly anticyclonic. For the rest of this afternoon and evening, some decent vertical depth and occasional radar echoes within the cumulus field east of the Flint River Valley in GA into the FL Big Bend, where we`ve carried PoPs up to 20 pct. This will result in sprinkles or the occasional light rain shower and this is included in the forecast until around sunset. Where there is a sea-breeze per TLH WSR-88D closer to the Forgotten Coast, cannot rule out a brief rumble of thunder. Tonight, dry conditions with patchy fog a good bet, mainly east of the Flint River in GA into the FL Big Bend and portions of the eastern Panhandle, which is expected to dissipate by around 9 AM ET/8 AM CT. On Friday, a partly sunny day with the development of cumulus clouds, with dry weather expected. The only exception could be closer to the I-75 corridor of GA into the FL Big Bend late in the afternoon or evening, as a couple of showers may spill over into the area with the east coast sea-breeze. However, the majority of the guidance keeps it dry, so this is a low probability. The lack of moisture and lift supports this, hence the dry forecast. Lows tonight in the upper 60s to lower 70s and highs on Friday in the upper 80s to lower 90s. && .SHORT TERM... (Friday night through Saturday night) Issued at 342 PM EDT Thu Sep 19 2024 Upper level ridging builds in from the west while surface high pressure settles in. This will lead to quiet and dry weather with above normal temperatures. && .LONG TERM... (Sunday through Wednesday) Issued at 342 PM EDT Thu Sep 19 2024 The weather will be on repeat through the first half of the week as upper level ridging dominates. Chances for precipitation increase mid week as the upper level ridge may begin to break down. In addition to that, eyes remain on the tropics. The NHC continues to highlight a now medium chance (40%) of development in the northwest Caribbean Sea or southeastern Gulf. At this time it is too early to determine any specifics about track, strength, and impacts as there is high uncertainty within ensembles and models. Residents and visitors should monitor the forecast for updates at hurricanes.gov. Now is a good time to review your hurricane plans and hurricane supply kit. && .AVIATION...
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(00Z TAFS) Issued at 747 PM EDT Thu Sep 19 2024 Generally VFR conditions are expected throughout the TAF period at all terminals. A brief period of MVFR vsbys could be possible tomorrow morning prior to sunrise at VLD due to patchy fog. Otherwise, VFR conditions expected at all terminals after sunrise.
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&& .MARINE... Issued at 342 PM EDT Thu Sep 19 2024 Favorable boating conditions are expected through Friday, as winds remain light and variable and seas remain low. Come the weekend, mainly easterly winds will get established and then hold through mid next week. This will lead to an increase of seas of 1 to 3 feet, with the larger waves being found offshore. Cautionary conditions may be observed next week during the overnight hours if we`re able to get the stronger easterly surges. Dry weather prevails through the weekend, with showers and storms starting to creep back into the forecast early or mid next week. && .FIRE WEATHER... Issued at 342 PM EDT Thu Sep 19 2024 Mainly dry weather on tap through early next week. High pressure gradually builds into the region with northeast winds on Friday and Saturday, and minimum afternoon RH values dipping into the mid-40s to mid-50s away from the coast. Fair dispersions are in order as well && .HYDROLOGY... Issued at 342 PM EDT Thu Sep 19 2024 Dry conditions look to persist through the weekend and into early next week. At this time there are no hydrology concerns; however, it is worth noting that the CPC has above normal chances for precipitation in the 8-10 day forecast. This is likely due to the anticipated development of a tropical cyclone in either the northwest Caribbean or southeast Gulf. At this time it is too early to determine what, if any type, of hydrology impacts we might see. Especially since there is high uncertainty with the ensemble and global models of where this system could go. Stay tuned to the forecast. && .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 71 89 69 89 / 20 10 0 0 Panama City 72 90 72 89 / 10 0 0 0 Dothan 70 89 69 90 / 10 10 0 0 Albany 69 88 68 89 / 10 10 0 0 Valdosta 69 88 69 88 / 20 10 0 0 Cross City 71 89 70 90 / 20 10 0 0 Apalachicola 73 87 74 86 / 20 10 0 0 && .TAE WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AL...None. GM...None. && $$ NEAR TERM...Merrifield SHORT TERM...KR LONG TERM....KR AVIATION...Oliver MARINE...KR FIRE WEATHER...LF HYDROLOGY...KR