000
WTNT33 KNHC 040847
TCPAT3
BULLETIN
TROPICAL STORM HANNA ADVISORY NUMBER  30
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082008
500 AM AST THU SEP 04 2008

...SPRAWLING HANNA HEADING TOWARD THE SOUTHEAST U.S. COAST...
 
AT 500 AM EDT...0900 UTC...A HURRICANE WATCH IS IN EFFECT FROM SURF
CITY NORTH CAROLINA SOUTHWESTWARD TO NORTH OF EDISTO BEACH SOUTH
CAROLINA...AND A TROPICAL STORM WATCH IS IN EFFECT FROM EDISTO
BEACH SOUTHWESTWARD TO ALTAMAHA SOUND GEORGIA.  A HURRICANE WATCH
MEANS THAT HURRICANE CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.  A TROPICAL STORM WATCH MEANS
THAT TROPICAL STORM CONDITIONS ARE POSSIBLE WITHIN THE WATCH
AREA...GENERALLY WITHIN 36 HOURS.
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FOR ALL THE BAHAMAS
AND FOR THE TURKS AND CAICOS ISLANDS.
 
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 TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 24.0 NORTH...LONGITUDE 72.8 WEST OR ABOUT 295
MILES...480 KM...EAST-SOUTHEAST OF NASSAU AND ABOUT 770 MILES...1235
KM...SOUTH-SOUTHEAST OF WILMINGTON NORTH CAROLINA.
 
HANNA IS MOVING TOWARD THE NORTHWEST NEAR 12 MPH...19 KM/HR...AND
THIS MOTION IS EXPECTED TO CONTINUE DURING THE NEXT COUPLE OF
DAYS...WITH A GRADUAL INCREASE IN FORWARD SPEED.  ON THIS
TRACK...THE CENTER OF HANNA WILL PASS JUST EAST OF THE CENTRAL AND
NORTHWESTERN BAHAMAS TODAY...AND WILL BE NEAR THE SOUTHEAST COAST
OF THE UNITED STATES BY FRIDAY OR FRIDAY NIGHT.
 
DATA FROM A NOAA RECONNAISSANCE AIRCRAFT INDICATE THAT MAXIMUM
SUSTAINED WINDS HAVE INCREASED TO NEAR 70 MPH...110 KM/HR...WITH
HIGHER GUSTS.  SLIGHT STRENGTHENING IS POSSIBLE DURING THE NEXT
COUPLE OF DAYS...AND HANNA COULD BECOME A HURRICANE BEFORE REACHING
THE SOUTHEAST U.S. COAST.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 290 MILES...465 KM
FROM THE CENTER.
 
THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY A NOAA
RECONNAISSANCE AIRCRAFT WAS 990 MB...29.23 INCHES.

COASTAL STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE
LEVELS CAN BE EXPECTED IN AREAS OF ONSHORE WINDS WITHIN THE TROPICAL
STORM 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...24.0 N...72.8 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 12 MPH.  MAXIMUM SUSTAINED WINDS...70 MPH.
MINIMUM CENTRAL PRESSURE...990 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 KNABB