Area Forecast Discussion
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451 FXUS62 KTAE 111500 AFDTAE AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 1100 AM EDT Thu Sep 11 2014 .Near Term [Through Today]...
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A very similar pattern to yesterday is in place across the region today with light southeasterly flow near the surface, weak ridging aloft, and plenty of mid level dry air. This all suggests that afternoon convection should be widely scattered and generally confined to areas along the Florida Panhandle sea breeze front. An isolated storm or two is possible across Southern Alabama and into Southwestern Georgia. Temperatures will be warm, generally in the lower 90s.
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&& .Aviation...
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[Through 12Z Friday]... Only brief restrictions this morning at DHN with all sites VFR through the afternoon and evening hours. Thunderstorms may build in vicinity of TLH/ECP this afternoon. Patchy MVFR conditions around daybreak Friday are possible at DHN/ABY/VLD.
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&& .Prev Discussion [155 AM EDT]...
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.Short Term [Tonight Through Saturday]... A narrow ENE-WSW oriented 500 mb ridge will continue over our forecast area through Saturday. At the surface, the western portion of the Bermuda ridge will break down as a cold front moves into (then stalls) across central AL & GA, and a weak low pressure system (currently near the Bahamas) moves into the southeast Gulf of Mexico. Our forecast area will be in between these systems, with little direct Q-G forcing from either of them. Indirectly, the NWP guidance forecasts a gradual improvement in thermodynamics, which should help in the generation of diurnally-driven showers and thunderstorms (mainly on Saturday). Our PoP is a blend of the various MOS and is fairly close to climo- 30% Friday and 40% Saturday. Highs will be slightly above climo- in the lower to mid 90s, and lows will be in the 70s. .Long Term [Saturday Night Through Thursday]... There are model discrepancies from Monday onward in terms of how well, if at all, any weak upper ridging will becomes re- established along the Gulf Coast. The 09/12Z Euro certainly supports that, while the latest GFS continued the trend of deepening a trough into the Southeast. Even with the latter solution, it does not appear that a cold front will make it too far into the area, if at all. The proximity of the front will enhance PoPs during the work week. Temps will start out a couple of degrees above normal (lower 90s) and then edge gradually downward to the mid/upper 80s by midweek. .Marine... The marine area will remain in a fairly flat pressure gradient through this weekend. Winds will range from east to south 10 KT or less, with the south winds coming during the afternoons as the land heats up faster than the Gulf coastal waters. At this time we don`t expect the weak low pressure system near the Bahamas to develop into a tropical cyclone, but if it does as it enters the southeast Gulf of Mexico, our current forecast for winds and seas would be too low. .Fire Weather... No fire weather concerns at least through the middle of next week. .Hydrology... Despite some heavy rains a few days ago, local rivers were still well below action stage. This is likely to continue given the rather "spotty" nature of the rain expected over the next few days. The threat of flash flooding is low through at least Friday.
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&& .Preliminary Point Temps/PoPs...
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Tallahassee 92 73 93 73 92 / 30 10 30 20 40 Panama City 89 76 90 77 91 / 30 10 30 20 40 Dothan 92 72 95 74 93 / 20 10 30 20 40 Albany 92 72 96 74 93 / 20 10 30 20 40 Valdosta 93 72 94 71 92 / 20 20 30 20 40 Cross City 91 71 93 71 92 / 20 20 30 20 40 Apalachicola 88 76 89 76 89 / 30 10 30 20 40
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&& .TAE Watches/Warnings/Advisories... FL...None. GA...None. AL...None. GM...None. && $$ NEAR TERM...GODSEY SHORT TERM...FOURNIER LONG TERM...WOOL AVIATION...GODSEY MARINE...FOURNIER FIRE WEATHER...BARRY HYDROLOGY...FOURNIER

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