[Tropical] Public Tropical Cyclone Advisory

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WTNT33 KNHC 290241
TCPAT3
BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER   4
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
1100 PM AST THU AUG 28 2008

...HANNA STRENGTHENS NORTHEAST OF THE LEEWARD ISLANDS

AT 1100 PM AST...0300Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 21.1 NORTH...LONGITUDE 60.6 WEST OR ABOUT 260
MILES...415 KM...NORTHEAST OF THE NORTHERN LEEWARD ISLANDS.

HANNA IS MOVING TOWARD THE WEST-NORTHWEST NEAR 7 MPH...11 KM/HR. A
MOTION BETWEEN WEST-NORTHWEST AND NORTHWEST IS EXPECTED THROUGH
FRIDAY. ON THE FORECAST TRACK...HANNA WILL GRADUALLY MOVE AWAY FROM
THE NORTHERN LEEWARD ISLANDS AND BE LOCATED WELL TO THE NORTHEAST
OF THE BAHAMAS DURING THE NEXT COUPLE OF DAYS.

MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. GRADUAL STRENGTHENING IS FORECAST DURING THE NEXT COUPLE OF
DAYS AND HANNA COULD BECOME A HURRICANE BY SATURDAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 50 MILES...85 KM
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1000 MB...29.53 INCHES.

HANNA'S SOUTHERN TRAILING RAIN BANDS COULD PRODUCE RAINFALL
ACCUMULATIONS OF 1 TO 2 INCHES ACROSS PORTIONS OF THE LEEWARD
ISLANDS.

REPEATING THE 1100 PM AST POSITION...21.1 N...60.6 W.  MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 7 MPH.  MAXIMUM SUSTAINED WINDS...50
MPH.  MINIMUM CENTRAL PRESSURE...1000 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST.

$$
FORECASTER STEWART/BEVEN



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