FXUS62 KTAE 060110
AFDTAE
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TALLAHASSEE FL
800 PM EST SAT DEC 5 2009
...FREEZING TEMPERATURES EXPECTED OVERNIGHT AND EARLY SUNDAY MORNING
ACROSS THE TRI-STATE REGION...
.UPDATE...THE EVENING WATER VAPOR/RUC 500 MB ANALYSIS DEPICTED A
TROUGH DIGGING SOUTHWARD ACROSS THE INTERMOUNTAIN WEST AND ANOTHER
LIFTING NORTHEASTWARD THROUGH THE MID-ATLANTIC REGION....WITH NEAR
ZONAL FLOW ALOFT FROM THE FOUR CORNERS REGION TO THE MIDDLE/LOWER
MS VALLEY. A NORTH-SOUTH ORIENTED SURFACE RIDGE EXTENDED FROM THE OH
VALLEY TO THE NORTHERN GULF OF MEXICO. THE 00Z TAE SOUNDING REVEALED
SIGNIFICANT DRYING ABOVE 900 MB (PWAT 0.40)...WITH NORTHWEST TO WEST
WINDS THROUGH THE ATMOSPHERIC COLUMN. AS THE RIDGE SLOWLY BUILDS
EAST TONIGHT...CLEAR SKIES AND LIGHT WINDS WILL PROMOTE IDEAL
RADIATIONAL COOLING RESULTING IN FREEZING TEMPERATURES EXCEPT ALONG
THE IMMEDIATE COAST OVERNIGHT THROUGH EARLY SUNDAY MORNING. NO
CHANGES TO THE CURRENT FREEZE WARNING AND ZONE FORECAST ARE
ANTICIPATED.
&&
.MARINE...WINDS AND SEAS HAVE DECREASED TO EXERCISE CAUTION CRITERIA
WITH SUSTAINED SPEEDS 16-19 KT AND 4-5 FT SEAS. WILL ADJUST WINDS
AND SEAS TO MATCH CURRENT TRENDS FOR THE EVENING UPDATE.
&&
.AVIATION...HIGH PRESSURE WILL BUILD OVER THE FORECAST AREA TONIGHT
AND SUNDAY. EXPECT VFR WITH CLEAR SKIES AND LIGHT NORTHERLY WINDS
OVERNIGHT...FOLLOWED BY A FEW CIRRUS AND NORTHEASTERLY WINDS SUNDAY.
&&
.HYDROLOGY...MINOR FLOODING IS OCCURRING AND WILL CONTINUE FOR THE
NEXT SEVERAL DAYS AT CARYVILLE...BLOUNTSTOWN AND NEWPORT FL. MINOR
TO MODERATE FLOODING IS NOW FORECAST ON THE CHOCTAWHATCHEE RIVER
NEAR BRUCE-EBRO FL. FLOWS ABOVE ACTION STAGE CONTINUE AT PRESTON AND
THOMASVILLE GA...GENEVA AND COLUMBIA AL...AND WOODRUFF DAM...CONCORD
AND SOPCHOPPY FL.
&&
.PRELIMINARY POINT TEMPS/POPS...
TALLAHASSEE 29 57 42 70 51/ 0 0 10 20 20
PANAMA CITY 33 57 46 68 55/ 0 0 10 20 20
DOTHAN 28 53 40 64 50/ 0 0 10 30 20
ALBANY 28 55 38 67 48/ 0 0 10 20 20
VALDOSTA 30 58 42 70 51/ 0 0 10 20 20
CROSS CITY 30 62 46 71 53/ 0 0 10 20 20
APALACHICOLA 33 57 46 68 56/ 0 0 10 20 20
&&
.TAE WATCHES/WARNINGS/ADVISORIES...
AL...FREEZE WARNING IN EFFECT 1 AM TO 8 AM EST SUNDAY.
GA...FREEZE WARNING IN EFFECT 1 AM TO 8 AM EST SUNDAY.
FL...FREEZE WARNING IN EFFECT 1 AM TO 8 AM EST SUNDAY.
FIRE WEATHER WATCH FOR A PORTION OF THE FLORIDA PANHANDLE
SUNDAY AFTERNOON.
GM...NONE.
&&
$$
UPDATE/MARINE/HYDROLOGY...JAMSKI
AVIATION...GOREE
