Post by NHC Olney Maryland on Sept 3, 2008 10:51:13 GMT -5
BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER 25
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
1100 PM AST TUE SEP 02 2008
...HANNA NEARLY STATIONARY...
AT 1100 PM AST...0300 UTC...THE GOVERNMENT OF THE BAHAMAS HAS ISSUED
A HURRICANE WATCH FOR THE NORTHWESTERN BAHAMAS...INCLUDING THE
ABACOS...ANDROS ISLAND...BERRY ISLANDS...BIMINI...ELEUTHERA...GRAND
BAHAMA ISLAND...AND NEW PROVIDENCE. A HURRICANE WATCH MEANS THAT
HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WARNING AREA...
GENERALLY WITHIN THE NEXT 36 HOURS.
A HURRICANE WARNING REMAINS IN EFFECT FOR THE CENTRAL BAHAMAS...THE
SOUTHEASTERN BAHAMAS...AND THE TURKS AND CAICOS ISLANDS.
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE NORTHERN COAST OF
THE DOMINICAN REPUBLIC FROM PUERTO PLATA WESTWARD TO BAHIA DE
MANZANILLO. A TROPICAL STORM WARNING IS ALSO IN EFFECT FOR HAITI
FROM THE NORTHERN BORDER WITH THE DOMINICAN REPUBLIC TO
PORT-AU-PRINCE. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM
CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24
HOURS.
INTERESTS IN THE SOUTHEASTERN UNITED STATES 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 1100 PM AST...0300Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 20.5 NORTH...LONGITUDE 72.4 WEST OR ABOUT 65
MILES...105 KM...SOUTHEAST OF GREAT INAGUA ISLAND AND ABOUT 450
MILES...720 KM...SOUTHEAST OF NASSAU.
HANNA HAS BEEN NEARLY STATIONARY DURING THE PAST FEW HOURS.
HOWEVER...A NORTH OR NORTHWESTWARD MOTION IS EXPECTED TO BEGIN
EARLY ON WEDNESDAY...FOLLOWED BY A NORTHWESTWARD MOTION WITH SOME
INCREASE IN FORWARD SPEED WEDNESDAY NIGHT. ON THE FORECAST
TRACK...HANNA WILL BE MOVING ACROSS THE SOUTHEASTERN BAHAMAS
OVERNIGHT...AND NEAR OR OVER THE CENTRAL BAHAMAS WEDNESDAY AND
WEDNESDAY NIGHT...AND THE NORTHWESTERN BAHAMAS ON THURSDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST TONIGHT...BUT SOME
STRENGTHENING IS FORECAST ON WEDNESDAY AND THURSDAY...AND HANNA
COULD REGAIN HURRICANE STRENGTH DURING THAT PERIOD.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM
FROM THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 988 MB...29.18 INCHES.
HANNA IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 4 TO 8 INCHES...
WITH MAXIMUM ISOLATED AMOUNTS OF 12 INCHES...OVER THE SOUTHEASTERN
BAHAMAS...THE TURKS AND CAICOS ISLANDS...AND EASTERN CUBA.
RAINFALL TOTALS OF 6 TO 10 INCHES...WITH ISOLATED MAXIMUM AMOUNTS
OF UP TO 15 INCHES...ARE POSSIBLE OVER HISPANIOLA WHERE THESE RAINS
COULD CAUSE LIFE-THREATENING MUD SLIDES AND FLASH FLOODING.
COASTAL STORM SURGE FLOODING OF 2 TO 4 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 1100 PM AST POSITION...20.5 N...72.4 W. MOVEMENT...
STATIONARY. MAXIMUM SUSTAINED WINDS...65 MPH. MINIMUM CENTRAL
PRESSURE...988 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500
AM AST.
TROPICAL STORM HANNA ADVISORY NUMBER 25
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
1100 PM AST TUE SEP 02 2008
...HANNA NEARLY STATIONARY...
AT 1100 PM AST...0300 UTC...THE GOVERNMENT OF THE BAHAMAS HAS ISSUED
A HURRICANE WATCH FOR THE NORTHWESTERN BAHAMAS...INCLUDING THE
ABACOS...ANDROS ISLAND...BERRY ISLANDS...BIMINI...ELEUTHERA...GRAND
BAHAMA ISLAND...AND NEW PROVIDENCE. A HURRICANE WATCH MEANS THAT
HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WARNING AREA...
GENERALLY WITHIN THE NEXT 36 HOURS.
A HURRICANE WARNING REMAINS IN EFFECT FOR THE CENTRAL BAHAMAS...THE
SOUTHEASTERN BAHAMAS...AND THE TURKS AND CAICOS ISLANDS.
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR THE NORTHERN COAST OF
THE DOMINICAN REPUBLIC FROM PUERTO PLATA WESTWARD TO BAHIA DE
MANZANILLO. A TROPICAL STORM WARNING IS ALSO IN EFFECT FOR HAITI
FROM THE NORTHERN BORDER WITH THE DOMINICAN REPUBLIC TO
PORT-AU-PRINCE. A TROPICAL STORM WARNING MEANS THAT TROPICAL STORM
CONDITIONS ARE EXPECTED WITHIN THE WARNING AREA WITHIN THE NEXT 24
HOURS.
INTERESTS IN THE SOUTHEASTERN UNITED STATES 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 1100 PM AST...0300Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 20.5 NORTH...LONGITUDE 72.4 WEST OR ABOUT 65
MILES...105 KM...SOUTHEAST OF GREAT INAGUA ISLAND AND ABOUT 450
MILES...720 KM...SOUTHEAST OF NASSAU.
HANNA HAS BEEN NEARLY STATIONARY DURING THE PAST FEW HOURS.
HOWEVER...A NORTH OR NORTHWESTWARD MOTION IS EXPECTED TO BEGIN
EARLY ON WEDNESDAY...FOLLOWED BY A NORTHWESTWARD MOTION WITH SOME
INCREASE IN FORWARD SPEED WEDNESDAY NIGHT. ON THE FORECAST
TRACK...HANNA WILL BE MOVING ACROSS THE SOUTHEASTERN BAHAMAS
OVERNIGHT...AND NEAR OR OVER THE CENTRAL BAHAMAS WEDNESDAY AND
WEDNESDAY NIGHT...AND THE NORTHWESTERN BAHAMAS ON THURSDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 65 MPH...100 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH IS FORECAST TONIGHT...BUT SOME
STRENGTHENING IS FORECAST ON WEDNESDAY AND THURSDAY...AND HANNA
COULD REGAIN HURRICANE STRENGTH DURING THAT PERIOD.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230 MILES...370 KM
FROM THE CENTER.
ESTIMATED MINIMUM CENTRAL PRESSURE IS 988 MB...29.18 INCHES.
HANNA IS EXPECTED TO PRODUCE RAINFALL TOTALS OF 4 TO 8 INCHES...
WITH MAXIMUM ISOLATED AMOUNTS OF 12 INCHES...OVER THE SOUTHEASTERN
BAHAMAS...THE TURKS AND CAICOS ISLANDS...AND EASTERN CUBA.
RAINFALL TOTALS OF 6 TO 10 INCHES...WITH ISOLATED MAXIMUM AMOUNTS
OF UP TO 15 INCHES...ARE POSSIBLE OVER HISPANIOLA WHERE THESE RAINS
COULD CAUSE LIFE-THREATENING MUD SLIDES AND FLASH FLOODING.
COASTAL STORM SURGE FLOODING OF 2 TO 4 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 1100 PM AST POSITION...20.5 N...72.4 W. MOVEMENT...
STATIONARY. MAXIMUM SUSTAINED WINDS...65 MPH. MINIMUM CENTRAL
PRESSURE...988 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 200 AM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 500
AM AST.