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TROPICAL STORM HANNA ADVISORY NUMBER  11
NATIONAL WEATHER SERVICE MIAMI FL
10 AM CDT SAT SEP 14 2002
 
...HANNA MOVING ONSHORE....TROPICAL STORM FORCE WINDS AFFECTING THE 
COAST...  
 
A TROPICAL STORM WARNING REMAINS IN EFFECT FROM EAST OF PASCAGOULA
MISSISSIPPI TO APALACHICOLA FLORIDA. THIS WARNING WILL LIKELY BE
DISCONTINUED THIS AFTERNOON.
 
AT 10 AM CDT...1500Z...THE TROPICAL STORM WARNING FROM GRAND ISLE
LOUISIANA TO PASCAGOULA IS DISCONTINUED.

SATELLITE...SURFACE AND RADAR OBSERVATIONS AND DATA FROM AN AIR 
FORCE RECONNAISSANCE PLANE INDICATE THAT THE CENTER OF HANNA IS 
MOVING ONSHORE NEAR THE ALABAMA/MISSISSIPPI BORDER. 
   
AT 10 AM CDT...1500Z...THE CENTER OF TROPICAL STORM HANNA WAS
LOCATED NEAR LATITUDE 30.5 NORTH...LONGITUDE 88.2 WEST...VERY NEAR
MOBILE ALABAMA.

HANNA IS MOVING TOWARD THE NORTHEAST NEAR 10 MPH AND THIS MOTION IS
EXPECTED TO CONTINUE DURING THE NEXT 24 HOURS.  A GRADUAL INCREASE
IN FORWARD SPEED IS ANTICIPATED.

MAXIMUM SUSTAINED WINDS ARE NEAR 50 MPH...85 KM/HR...WITH HIGHER
GUSTS. WEAKENING IS FORECAST DURING THE NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 145 MILES TO THE 
EAST OF THE CENTER. A WIND GUST TO 62 MPH WAS JUST RECORDED AT 
PENSACOLA FLORIDA.
 
THE MINIMUM CENTRAL PRESSURE REPORTED BY AN AIR FORCE PLANE WAS 1002 
MB...29.59 INCHES.

RAINFALL ACCUMULATIONS OF 4 TO 8 INCHES...WITH ISOLATED HIGHER
AMOUNTS...CAN BE EXPECTED TO THE EAST OF THE PATH OF THE CENTER OF
HANNA.

THERE IS A RISK OF ISOLATED TORNADOES ACROSS SOUTHERN ALABAMA AND 
THE FLORIDA PANHANDLE. 
 
COASTAL STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL TIDE
LEVELS...HIGHER AT THE HEADS OF BAYS...ALONG WITH BATTERING
WAVES...CAN BE EXPECTED WITHIN THE WARNING AREA BUT GRADUALLY 
DECREASING LATER TODAY.
 
REPEATING THE 10 AM CDT POSITION...30.5 N... 88.2 W.  MOVEMENT
TOWARD...NORTHEAST NEAR 10 MPH.  MAXIMUM SUSTAINED
WINDS... 50 MPH.  MINIMUM CENTRAL PRESSURE...1002 MB.
 
FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
AN INTERMEDIATE ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 1 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 4 PM
CDT.

FORECASTER AVILA
 
 
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