Area Forecast Discussion
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648 FXUS62 KTAE 260448 AFDTAE AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TALLAHASSEE FL 1148 PM EST Wed Feb 25 2015 .Near Term [Through Tonight]...
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After an extremely convective active evening with several pockets of strong to severe thunderstorms over virtually the entire CWA, one final band of strong storms with torrential rainfall is gradually working its way to the northeast across the SE FL Big Bend. The brunt of this activity is affecting Taylor county at the moment, while also clipping a portion of Madison and Lafayette counties. Since this line extends well to the S and W in the Gulf of Mexico, all of Dixie and Lafayette counties will be impacted by this convection as well with possible severe wind gusts and localized flooding before the night is over.
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&& .Aviation...
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[Through 00Z Friday] It was a wild and crazy night for Tafs across the CWA with just about every weather element experienced except frozen precipitation. The good news is that the rainfall (much of it heavy at times which kept Cigs and Vis quite low) has tapered off and moved to the east of all sites but VLD. The main concern for Thursday at all of the terminals is if/when will the mainly MVFR level Cigs break, and as of the 00 UTC package I composed, some improvement appeared likely at all sites, but actual breaking out into VFR conditions was only expected at ECP. Hopefully, this will change on either the upcoming 06 or 12 UTC packages so more sunshine can be experienced.
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&& .Prev Discussion [325 PM EST]...
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.Short Term [Thursday Through Friday Night]... Low pressure will be off the Carolinas by early Thursday morning, with high pressure building into the local forecast area. Temperatures will continue to be below normal on Thursday, with highs mostly in the lower to mid 50s. After a cool start to Friday, with lows in the mid 30s northwest to lower 40s southeast, only a modest warmup is expected by afternoon. Sprawling 1040mb high pressure center over the midwest will limit the warming as northerly winds help to reinforce the cool airmass. .Long Term [Saturday Through Wednesday]... Sprawling surface high over the midwest will continue to limit the warmup through Saturday, with temperatures remaining several degrees below normal. There may also be a few showers along the old frontal boundary in the southeastern Big Bend. A more substantial warmup will begin on Sunday as an upper ridge begins to build over the Gulf and the low level flow begins to veer to the east. May also see a chance of rain return to the forecast as the stalled front to the south moves back to the north as a warm front. By Monday, temperatures will be back to near normal levels, with highs pushing into the 70s. .Marine... Strong southerly winds will shift to the northwest from west to east overnight as low pressure moves across the coastal waters. May see a few gusts to gale force this evening, especially as a line of strong thunderstorms moves across the waters, but expect duration to be short so will maintain Small Craft Advisory. Winds and seas will diminish below headline criteria on Thursday as high pressure builds in behind the low. However, conditions will return to exercise caution levels by Saturday. .Fire Weather... Widespread rainfall of generally 1 to 2 inches will keep Wet Flag conditions going throughout the CWA for the remainder of today and tonight. Cooler and drier air will initially work into the region behind this low pressure system, with a warming trend expected on Sunday. However, dewpoints will also increase with the warmup, keeping any potential for Red Flag conditions at bay for the foreseeable future. .Hydrology... Widespread rainfall totals of 1-2 inches are expected through tonight across the area with localized amounts in excess of 3 inches possible. These totals will cause rises along our area rivers and bring several sites along the Kinchafoonee Creek and the Choctawhatchee, Ochlockonee, Aucilla, and Upper Withlacoochee Rivers into action stage. The Withlacoochee River at Valdosta and Kinchafoonee Creek at Dawson are both likely to crest just below minor flood stage by the end of the week, but could crest higher and earlier if rainfall totals end up being higher than currently forecast.
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&& .Preliminary Point Temps/PoPs...
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Tallahassee 43 55 38 60 40 / 90 10 10 0 10 Panama City 44 55 40 57 42 / 80 0 0 0 10 Dothan 37 51 35 53 35 / 90 0 10 0 10 Albany 39 53 36 56 37 / 90 10 10 0 10 Valdosta 44 55 41 60 41 / 100 10 10 0 10 Cross City 53 63 42 63 44 / 90 20 10 0 20 Apalachicola 47 56 43 59 46 / 90 10 0 0 10
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&& .TAE Watches/Warnings/Advisories... FL...None. GA...None. AL...None. GM...Small Craft Advisory until 3 AM EST Thursday for Apalachee Bay- Coastal waters From Ochlockonee River to Apalachicola FL out to 20 NM-Coastal waters from Suwannee River to Keaton Beach FL out 20 NM-Coastal waters from Apalachicola to Destin FL out 20 NM-Waters from Suwannee River to Apalachicola FL from 20 to 60 NM-Waters from Apalachicola to Destin FL from 20 to 60 NM. && $$ NEAR TERM...GOULD SHORT TERM...CAMP LONG TERM...CAMP AVIATION...GOULD MARINE...CAMP FIRE WEATHER...GOULD HYDROLOGY...MOORE

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