Hurricane HANNA

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HURRICANE HANNA ADVISORY NUMBER  22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
500 AM AST TUE SEP 02 2008

...HANNA MOVING LITTLE...
...HEAVY RAINFALL IS AFFECTING THE SOUTHEASTERN BAHAMAS...TURKS AND
CAICOS ISLANDS...AND HAITI...
 
A HURRICANE WARNING REMAINS IN EFFECT FOR THE CENTRAL BAHAMAS...THE
SOUTHEASTERN BAHAMAS...AND THE TURKS AND CAICOS ISLANDS.
 
INTERESTS IN EASTERN CUBA...THE NORTHWEST BAHAMAS...AND THE FLORIDA
PENINSULA SHOULD MONITOR THE PROGRESS OF HANNA.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...INCLUDING POSSIBLE
INLAND WATCHES AND WARNINGS...PLEASE MONITOR PRODUCTS ISSUED
BY YOUR LOCAL WEATHER OFFICE.
 
AT 500 AM AST...0900Z...THE CENTER OF HURRICANE HANNA WAS LOCATED
NEAR LATITUDE 21.3 NORTH...LONGITUDE 72.7 WEST OR ABOUT 35 MILES...
 55 KM...EAST-NORTHEAST OF GREAT INAGUA ISLAND AND ABOUT 395 MILES
...635 KM...SOUTHEAST OF NASSAU.
 
HANNA IS DRIFTING TOWARD THE WEST NEAR 2 MPH...4 KM/HR.  SLOW AND
ERRATIC MOTION IS POSSIBLE DURING THE NEXT 24 HOURS. HOWEVER...BY
WEDNESDAY A GRADUAL NORTHWESTWARD MOTION TOWARD THE CENTRAL BAHAMAS
IS EXPECTED BEGIN.
 
MAXIMUM SUSTAINED WINDS REMAIN NEAR 80 MPH...130 KM/HR...WITH HIGHER
GUSTS. HANNA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. SOME FLUCTUATIONS IN STRENGTH ARE POSSIBLE DURING THE NEXT 24
HOURS....WITH GRADUAL STRENGTHENING EXPECTED TO BEGIN ON WEDNESDAY.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 35 MILES...55 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 978 MB...28.88 INCHES.
 
HANNA IS EXPECTED TO PRODUCE RAINFALL AMOUNTS OF 8 TO 12 INCHES...
WITH ISOLATED AMOUNTS OF 20 INCHES...OVER THE SOUTHEASTERN BAHAMAS
AND THE TURKS AND CAICOS ISLANDS. AMOUNTS OF 4 TO 8 INCHES...WITH
ISOLATED MAXIMUM AMOUNTS OF UP TO 12 INCHES...ARE EXPECTED IN THE
CENTRAL BAHAMAS. RAINFALL AMOUNTS OF 2 TO 4 INCHES WITH MAXIMUM
AMOUNTS OF UP TO 8 INCHES ARE EXPECTED OVER THE MOUNTAINOUS TERRAIN
OF EASTERN CUBA AND NORTHERN PORTIONS OF HISPANIOLA...WHERE THESE
RAINS COULD CAUSE LIFE-THREATENING MUDSLIDES AND FLASH FLOODING.

COASTAL STORM SURGE FLOODING OF 3 TO 5 FEET ABOVE NORMAL TIDE
LEVELS...ALONG WITH LARGE AND DANGEROUS BATTERING WAVES...CAN BE
EXPECTED IN AREAS OF ONSHORE FLOW WITHIN THE HURRICANE WARNING AREA.
 
SWELLS FROM HANNA ARE EXPECTED TO INCREASE THE RISK OF DANGEROUS RIP
CURRENTS ALONG PORTIONS OF THE SOUTHEASTERN UNITED STATES COAST
DURING THE NEXT COUPLE OF DAYS.
 
REPEATING THE 500 AM AST POSITION...21.3 N...72.7 W.  MOVEMENT
TOWARD...WEST NEAR 2 MPH.  MAXIMUM SUSTAINED WINDS...80 MPH.
MINIMUM CENTRAL PRESSURE...978 MB.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
AM AST.
 
$$
FORECASTER STEWART
 
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