Caribbean-On-Line's Caribbean Hurricane Blog



...HANNA WEAKENS TO A TROPICAL STORM...

Published on September 2, 2008 8:33 AM | Comments

Looks like Hanna has not been able to hold up against the shear and other atmospheric forces for the moment.

TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER 22A NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082008 800 AM AST TUE SEP 02 2008

...HANNA WEAKENS TO A TROPICAL STORM... ...HEAVY RAINFALL 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 ALONG THE NORTH COAST OF HAITI...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 800 AM AST...1200Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED NEAR LATITUDE 21.2 NORTH...LONGITUDE 73.1 WEST OR VERY NEAR GREAT INAGUA ISLAND AND ABOUT 385 MILES...615 KM...SOUTHEAST OF NASSAU.

HANNA IS DRIFTING TOWARD THE WEST NEAR 2 MPH...4 KM/HR. SLOW AND ERRATIC MOTION IS EXPECTED TODAY. HOWEVER...HANNA IS EXPECTED TO BEGIN MOVING NORTHWESTWARD TONIGHT AND WEDNESDAY. ON THE FORECAST TRACK...HANNA WILL MOVE OVER THE SOUTHEASTERN BAHAMAS TODAY AND INTO THE CENTRAL BAHAMAS TONIGHT AND WEDNESDAY.

MAXIMUM SUSTAINED WINDS HAVE DECREASED TO 70 MPH...110 KM/HR...WITH HIGHER GUSTS. ALTHOUGH LITTLE CHANGE IN STRENGTH IS EXPECTED DURING THE NEXT 24 HOURS...HANNA COULD REGAIN HURRICANE STRENGTH LATER TODAY OR TOMORROW.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175 MILES...280 KM.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 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 800 AM AST POSITION...21.2 N...73.1 W. MOVEMENT TOWARD...WEST NEAR 2 MPH. MAXIMUM SUSTAINED WINDS...70 MPH. MINIMUM CENTRAL PRESSURE...987 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT 1100 AM AST.



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