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Tropical Storm FAY


ZCZC MIATCDAT1 ALL
TTAA00 KNHC DDHHMM
TROPICAL STORM FAY DISCUSSION NUMBER  16
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL062008
1100 AM EDT TUE AUG 19 2008
 
DOPPLER RADAR DATA AND SATELLITE IMAGES REVEAL THAT FAY HAS KEPT A
WELL DEFINED PATTERN...AND IN FACT...RADAR SHOWS A RING OF
CONVECTION WHICH RESEMBLES AN EYE FEATURE. DOPPLER VELOCITIES
SUPPORT AN INITIAL INTENSITY OF 50 KNOTS AND BASED ON SURFACE
OBSERVATIONS THE MINIMUM PRESSURE IS ESTIMATED AT 986 MB.  FAY IS
FORECAST TO WEAKEN AS IT MOVES OVER LAND FOR THE NEXT 12 TO 18
HOURS. THEREAFTER...IT SHOULD REGAIN SOME STRENGTH DURING THE 24 TO
48 HOUR PERIOD WHEN FAY IS FORECAST TO BE OVER WATER JUST OFF THE
FLORIDA EAST COAST. IF FAY MAINTAINS ITS CURRENT STRUCTURE ON
RADAR...THE RATE OF INTENSIFICATION COULD BE HIGHER THAN INDICATED.
AT THIS TIME...THE FORECAST INTENSITY FOLLOWS CONTINUITY AND THE
SHIPS INTENSITY MODEL. THE GFDL IS VERY AGGRESSIVE AND MAKES FAY A
STRONGER CYCLONE OVER THE WATER JUST EAST OF NORTH FLORIDA. DO NOT
RULE OUT THIS POSSIBILITY YET.
 
FAY IS MOVING TOWARD THE NORTH-NORTHEAST OR 015 DEGREES AT 8 KNOTS
WHILE EMBEDDED WITHIN A MID-LATITUDE TROUGH. HOWEVER...THIS TROUGH
IS FORECAST TO LIFT OUT AND BE REPLACED BY A DEVELOPING RIDGE. THIS
PATTERN SHOULD FIRST WEAKEN THE STEERING CURRENTS..CAUSING FAY TO
SLOW DOWN AND THEN...AS THE RIDGE BECOMES STRONGER...THE CYCLONE
SHOULD TURN MORE TO THE WEST-NORTHWEST TOWARD THE NORTH FLORIDA OR
THE GEORGIA COAST. THE OFFICIAL FORECAST IS CONSISTENT WITH MODEL
GUIDANCE AND VERY CLOSE TO THE MODEL CONSENSUS. GUIDANCE
UNANIMOUSLY TURNS THE CYCLONE TOWARD THE COAST OF NORTH FLORIDA OR
GEORGIA.


FORECAST POSITIONS AND MAX WINDS
 
INITIAL      19/1500Z 26.7N  81.3W    50 KT...INLAND
 12HR VT     20/0000Z 27.9N  80.9W    45 KT...INLAND
 24HR VT     20/1200Z 28.9N  80.6W    40 KT...OVER WATER
 36HR VT     21/0000Z 29.5N  80.5W    45 KT...OVER WATER
 48HR VT     21/1200Z 30.0N  80.9W    45 KT...OVER WATER
 72HR VT     22/1200Z 30.6N  82.5W    30 KT...INLAND
 96HR VT     23/1200Z 31.0N  84.0W    25 KT...INLAND
120HR VT     24/1200Z 31.5N  86.0W    20 KT...REMNANT LOW
 
$$
FORECASTER AVILA
 
NNNN


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Page last modified: Tuesday, 21-Apr-2009 12:09:11 UTC