[Tropical] Tropical Cyclone Discussion
EMWIN Server
emwin at nashvilleweather.net
Fri Nov 11 08:46:13 CST 2011
WTNT44 KNHC 111445
TCDAT4
TROPICAL STORM SEAN DISCUSSION NUMBER 14
NWS NATIONAL HURRICANE CENTER MIAMI FL AL192011
1100 AM AST FRI NOV 11 2011
SEAN IS A STRONGLY SHEARED TROPICAL CYCLONE WITH THE LOW-LEVEL
CENTER LOCATED ABOUT 70 N MI TO THE WEST OF THE SHRINKING DENSE
OVERCAST. SATELLITE INTENSITY ESTIMATES FROM TAFB AND SAB HAVE
DECREASED... AND THE INITIAL WIND SPEED IS LOWERED TO 45 KT. A COLD
FRONT... CURRENTLY SITUATED A COUPLE OF HUNDRED N MI TO THE WEST OF
SEAN...IS EXPECTED TO MERGE WITH THE CYCLONE LATER TODAY CAUSING IT
TO LOSE TROPICAL CHARACTERISTICS BY THEN.
THE TROPICAL STORM IS GAINING FORWARD SPEED...AND THE LATEST INITIAL
MOTION ESTIMATE IS 050/20. THE CENTER OF SEAN IS CURRENTLY PASSING
JUST NORTH OF BERMUDA...AND IT IS EXPECTED TO MOVE MORE RAPIDLY
NORTHEASTWARD OVER THE NORTH ATLANTIC UNTIL IT DISSIPATES TONIGHT
OR EARLY SATURDAY.
FORECAST POSITIONS AND MAX WINDS
INIT 11/1500Z 34.0N 64.1W 45 KT 50 MPH
12H 12/0000Z 37.2N 59.9W 45 KT 50 MPH...POST-TROP/EXTRATROP
24H 12/1200Z...DISSIPATED
$$
FORECASTER CANGIALOSI/STEWART
WWWW
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