Post by NHC Olney Maryland on Sept 3, 2008 15:55:55 GMT -5
BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER 28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL OLNEY MD AL082008
500 PM AST WED SEP 03 2008
...HURRICANE WARNING ISSUED FOR NORTHWESTERN BAHAMAS...
AT 5 PM AST...2100Z...THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A
HURRICANE WARNING FOR THE NORTHWESTERN BAHAMAS...AND REPLACED THE
HURRICANE WARNING FOR THE SOUTHEASTERN BAHAMAS AND TURKS AND CAICOS
ISLANDS WITH A TROPICAL STORM WARNING.
A HURRICANE WARNING IS NOW IN EFFECT FOR THE CENTRAL AND
NORTHWESTERN BAHAMAS.
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR THE SOUTHEASTERN
BAHAMAS...AND THE TURKS AND CAICOS ISLANDS.
A TROPICAL STORM WARNING REMAINS IN EFFECT IN HISPANIOLA FROM PORT
AU PRINCE HAITI NORTHWARD AND WESTWARD TO PUERTO PLATA IN THE
DOMINICAN REPUBLIC.
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 500 PM AST...2100Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 21.9 NORTH...LONGITUDE 71.9 WEST OR ABOUT 100
MILES...160 KM...NORTHEAST OF GREAT INAGUA ISLAND AND ABOUT 60 MILES
... 95 KM...WEST-NORTHWEST OF GRAND TURK ISLAND.
HANNA IS MOVING TOWARD THE NORTH NEAR 12 MPH...19 KM/HR. A
TURN TO THE NORTHWEST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED
OVER THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF HANNA
SHOULD BE MOVING THROUGH OR JUST EAST OF THE CENTRAL AND
NORTHWESTERN BAHAMAS OVER THE NEXT 24 TO 36 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER
GUSTS. GRADUAL STRENGTHENING IS EXPECTED OVER THE NEXT COUPLE OF
DAYS AND HANNA COULD BECOME A HURRICANE TOMORROW.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465
KM...MAINLY TO THE NORTH OF THE CENTER.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
UNIT RECONNAISSANCE AIRCRAFT WAS 989 MB...29.21 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. ISOLATED
AMOUNTS OF 15 INCHES ARE POSSIBLE IN PUERTO RICO. 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 FLASH FLOODS AND MUD SLIDES. MODERATE TO
LOCALLY HEAVY RAINFALL IS POSSIBLE ALONG THE EAST COAST OF FLORIDA
BY FRIDAY MORNING.
COASTAL STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE
LEVELS 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.
ISOLATED TORNADOES AND WATERSPOUTS ARE POSSIBLE OVER PUERTO RICO AND
THE ADJACENT WATERS THROUGH THIS EVENING.
REPEATING THE 500 PM AST POSITION...21.9 N...71.9 W. MOVEMENT
TOWARD...NORTH NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...60 MPH.
MINIMUM CENTRAL PRESSURE...989 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM AST.
TROPICAL STORM HANNA ADVISORY NUMBER 28
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL OLNEY MD AL082008
500 PM AST WED SEP 03 2008
...HURRICANE WARNING ISSUED FOR NORTHWESTERN BAHAMAS...
AT 5 PM AST...2100Z...THE GOVERNMENT OF THE BAHAMAS HAS ISSUED A
HURRICANE WARNING FOR THE NORTHWESTERN BAHAMAS...AND REPLACED THE
HURRICANE WARNING FOR THE SOUTHEASTERN BAHAMAS AND TURKS AND CAICOS
ISLANDS WITH A TROPICAL STORM WARNING.
A HURRICANE WARNING IS NOW IN EFFECT FOR THE CENTRAL AND
NORTHWESTERN BAHAMAS.
A TROPICAL STORM WARNING IS NOW IN EFFECT FOR THE SOUTHEASTERN
BAHAMAS...AND THE TURKS AND CAICOS ISLANDS.
A TROPICAL STORM WARNING REMAINS IN EFFECT IN HISPANIOLA FROM PORT
AU PRINCE HAITI NORTHWARD AND WESTWARD TO PUERTO PLATA IN THE
DOMINICAN REPUBLIC.
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 500 PM AST...2100Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 21.9 NORTH...LONGITUDE 71.9 WEST OR ABOUT 100
MILES...160 KM...NORTHEAST OF GREAT INAGUA ISLAND AND ABOUT 60 MILES
... 95 KM...WEST-NORTHWEST OF GRAND TURK ISLAND.
HANNA IS MOVING TOWARD THE NORTH NEAR 12 MPH...19 KM/HR. A
TURN TO THE NORTHWEST WITH AN INCREASE IN FORWARD SPEED IS EXPECTED
OVER THE NEXT 24 HOURS. ON THE FORECAST TRACK...THE CENTER OF HANNA
SHOULD BE MOVING THROUGH OR JUST EAST OF THE CENTRAL AND
NORTHWESTERN BAHAMAS OVER THE NEXT 24 TO 36 HOURS.
MAXIMUM SUSTAINED WINDS ARE NEAR 60 MPH...95 KM/HR...WITH HIGHER
GUSTS. GRADUAL STRENGTHENING IS EXPECTED OVER THE NEXT COUPLE OF
DAYS AND HANNA COULD BECOME A HURRICANE TOMORROW.
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465
KM...MAINLY TO THE NORTH OF THE CENTER.
THE LATEST MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE RESERVE
UNIT RECONNAISSANCE AIRCRAFT WAS 989 MB...29.21 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. ISOLATED
AMOUNTS OF 15 INCHES ARE POSSIBLE IN PUERTO RICO. 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 FLASH FLOODS AND MUD SLIDES. MODERATE TO
LOCALLY HEAVY RAINFALL IS POSSIBLE ALONG THE EAST COAST OF FLORIDA
BY FRIDAY MORNING.
COASTAL STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE
LEVELS 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.
ISOLATED TORNADOES AND WATERSPOUTS ARE POSSIBLE OVER PUERTO RICO AND
THE ADJACENT WATERS THROUGH THIS EVENING.
REPEATING THE 500 PM AST POSITION...21.9 N...71.9 W. MOVEMENT
TOWARD...NORTH NEAR 12 MPH. MAXIMUM SUSTAINED WINDS...60 MPH.
MINIMUM CENTRAL PRESSURE...989 MB.
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 800 PM AST FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 1100
PM AST.