Post by NHC Olney Maryland on Sept 2, 2008 13:03:12 GMT -5
BULLETIN
HURRICANE HANNA ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
1100 PM AST MON SEP 01 2008
...HANNA MEANDERING...
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 1100 PM AST...0300Z...THE CENTER OF HURRICANE HANNA WAS LOCATED
NEAR LATITUDE 21.8 NORTH...LONGITUDE 72.5 WEST OR ABOUT 90 MILES...
150 KM...WEST-NORTHWEST OF GRAND TURK ISLAND AND ABOUT 380 MILES...
615 KM...SOUTHEAST OF NASSAU.
HANNA HAS MOVED LITTLE OVER THE PAST FEW HOURS...AND LITTLE OVERALL
MOTION IS EXPECTED OVER THE NEXT DAY OR SO. A NORTHWESTWARD MOTION
TOWARD THE CENTRAL BAHAMAS IS EXPECTED TO BEGIN BY LATE TUESDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/HR...WITH HIGHER
GUSTS. HANNA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24
HOURS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
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 1100 PM AST POSITION...21.8 N...72.5 W. MOVEMENT...
STATIONARY. MAXIMUM SUSTAINED WINDS...80 MPH. MINIMUM CENTRAL
PRESSURE...978 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.
HURRICANE HANNA ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL/OLNEY MD AL082008
1100 PM AST MON SEP 01 2008
...HANNA MEANDERING...
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 1100 PM AST...0300Z...THE CENTER OF HURRICANE HANNA WAS LOCATED
NEAR LATITUDE 21.8 NORTH...LONGITUDE 72.5 WEST OR ABOUT 90 MILES...
150 KM...WEST-NORTHWEST OF GRAND TURK ISLAND AND ABOUT 380 MILES...
615 KM...SOUTHEAST OF NASSAU.
HANNA HAS MOVED LITTLE OVER THE PAST FEW HOURS...AND LITTLE OVERALL
MOTION IS EXPECTED OVER THE NEXT DAY OR SO. A NORTHWESTWARD MOTION
TOWARD THE CENTRAL BAHAMAS IS EXPECTED TO BEGIN BY LATE TUESDAY.
MAXIMUM SUSTAINED WINDS ARE NEAR 80 MPH...130 KM/HR...WITH HIGHER
GUSTS. HANNA IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
SCALE. LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE NEXT 24
HOURS.
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
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 1100 PM AST POSITION...21.8 N...72.5 W. MOVEMENT...
STATIONARY. MAXIMUM SUSTAINED WINDS...80 MPH. MINIMUM CENTRAL
PRESSURE...978 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.