Area Forecast Discussion
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636 FXUS62 KTAE 170019 AFDTAE AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 820 PM EDT Thu May 16 2013 .NEAR TERM [Tonight]...
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Another quiet night ahead with the exception of fog developing after midnight. Some of the fog may briefly become dense toward daybreak, especially over our Florida and SE Alabama zones. Low temps will generally be in the lower 60s.
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&& .SHORT TERM [Friday through Sunday]... The closed low (currently over OK) is expected to translate slowly eastward across the Southeast U.S. through this weekend. However, the bulk of the deep layer moisture and Q-G forcing associated with this feature is likely to be north of our forecast area. This will leave our region with PoPs in the 20-30% range, mainly during the afternoon and evening hours when instability and mesoscale boundary interactions are maximized. It will finally feel like late Spring, as highs approach 90 deg and lows stay in the 60s. && .LONG TERM [Monday through Thursday]... Deep layer ridging is expected over the Southeast U.S. through mid week. A weak trough is forecast to develop later in the work week. The GFS and ECMWF differ on exactly when and how much this trough will develop. Regardless, the NWP guidance consensus is close to climatology for PoP and temperatures. The PoP will be in the 20-30% range through the period, mainly during the afternoon and early evening hours. It will be a warm period, especially given our relatively cool spring so far, with highs near 90 and lows in the 60s. && .Aviation [Through 00Z Friday]...
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Potential for MVFR fog development late tonight into tomorrow morning at all sites. Locally dense fog will result in IFR conditions from KTLH westward. Fog will dissipate shortly after sunrise and conditions will return to VFR with light southerly winds.
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&& .MARINE... Winds and seas will be at their typically low late spring/early summertime values. Winds and inland water chop may increase at the coast during the afternoon hours due to the sea breeze circulation enhancement. && .FIRE WEATHER... Red flag conditions are not expected for the next several days. && .HYDROLOGY... Area rivers and streams will likely remain well below flood stage for the next several days. && .PRELIMINARY POINT TEMPS/POPS... Tallahassee 61 88 61 88 64 / 0 0 0 10 10 Panama City 66 82 67 83 69 / 0 0 0 10 10 Dothan 62 88 65 88 67 / 0 10 10 10 10 Albany 62 89 64 90 65 / 0 10 10 20 20 Valdosta 61 87 63 88 63 / 0 10 10 10 20 Cross City 61 88 62 88 63 / 0 0 10 20 10 Apalachicola 64 80 65 81 67 / 0 0 0 10 0 && .TAE WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AL...None. GM...None. && $$ NEAR TERM...Barry SHORT TERM/LONG TERM...Fournier AVIATION...Walsh/Block MARINE...Fournier FIRE WEATHER...Fournier/Block HYDROLOGY...Fournier

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