[Tropical] Tropical Cyclone Discussion

[EMWIN Server]

WTNT44 KNHC 112108
TCDAT4

TROPICAL STORM SEAN DISCUSSION NUMBER  15...RETRANSMITTED
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL192011
500 PM AST FRI NOV 11 2011

SEAN IS QUICKLY LOSING TROPICAL CHARACTERISTICS. VISIBLE SATELLITE
IMAGES SHOW STABLE STRATOCUMULUS CLOUDS ENTRAINING INTO THE
SOUTHERN HALF OF THE CIRCULATION. THIS STABLE AIR IS ALSO EVIDENT
IN SURFACE OBSERVATIONS...WITH THE DEWPOINT IN BERMUDA FALLING
ABOUT 3C DURING THE LAST FEW HOURS. MEANWHILE...A RAGGED CURVED
BAND OF CONVECTION STILL EXISTS ON THE EAST SIDE OF THE
CIRCULATION...AND THAT IS THE BASIS FOR MAINTAINING ADVISORIES ON
THIS SYSTEM. NONETHELESS...SEAN IS EXPECTED TO BECOME POST-TROPICAL
SOON AND WILL LIKELY BE ABSORBED BY A COLD FRONT...WHICH IS NOW
VERY NEAR THE CYCLONE...TONIGHT OR EARLY SATURDAY.

SEAN IS RACING NORTHEASTWARD AND SHOULD CONTINUE MOVING IN THAT
DIRECTION OVER THE NORTH ATLANTIC UNTIL DISSIPATION.

FORECAST POSITIONS AND MAX WINDS

INIT  11/2100Z 35.5N  61.3W   45 KT  50 MPH
 12H  12/0600Z 38.2N  56.2W   45 KT  50 MPH...POST-TROP/EXTRATROP
 24H  12/1800Z...DISSIPATED

$$
FORECASTER CANGIALOSI


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