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TROPICAL STORM HANNA INTERMEDIATE ADVISORY NUMBER   8A
NATIONAL WEATHER SERVICE MIAMI FL
7 PM CDT FRI SEP 13 2002

...HANNA DRIFTS ERRATICALLY BUT EXPECTED TO MOVE NORTHWARD...
 
A TROPICAL STORM WARNING IS IN EFFECT FROM GRAND ISLE LOUISIANA TO
APALACHICOLA FLORIDA.
 
A TROPICAL STORM WATCH REMAINS IN EFFECT FROM EAST OF APALACHICOLA
TO THE SUWANEE RIVER FLORIDA.
 
AT 7 PM CDT...0000Z...THE CENTER OF TROPICAL STORM HANNA WAS LOCATED
NEAR LATITUDE 27.8 NORTH...LONGITUDE 89.0 WEST OR ABOUT 85 MILES
SOUTH OF THE MOUTH OF THE MISSISSIPPI RIVER.

HANNA HAS BEEN DRIFTING SLOWLY EASTWARD FOR THE PAST FEW HOURS... 
BASED ON INFORMATION FROM AN AIR FORCE RESERVE UNIT RECONNAISSANCE 
AIRCRAFT.  HOWEVER THE STORM IS EXPECTED TO BEGIN A NORTHWARD MOTION 
TONIGHT.  ON THE FORECAST TRACK...THE CENTER IS EXPECTED TO BE NEAR 
THE COAST WITHIN THE WARNING AREA BY AROUND MID DAY SATURDAY.  
HOWEVER...TROPICAL STORM FORCE WINDS COULD REACH PORTIONS OF THE 
WARNING AREA EARLIER.

MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH WITH HIGHER GUSTS.  SOME
STRENGTHENING IS POSSIBLE BUT HANNA IS NOT EXPECTED TO REACH
HURRICANE INTENSITY PRIOR TO LANDFALL

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES TO THE 
SOUTH AND EAST OF THE CENTER.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 1001 MB...29.56 INCHES.
 
RAINFALL ACCUMULATIONS OF 6 TO 10 INCHES...WITH ISOLATED HIGHER 
AMOUNTS...CAN BE EXPECTED NEAR AND TO THE EAST OF THE PATH OF THE 
CENTER OF HANNA.

ISOLATED TORNADOES ARE POSSIBLE...MAINLY WITHIN THE EASTERN PORTION 
OF THE CIRCULATION. 
 
COASTAL STORM SURGE FLOODING OF 2 TO 4 FEET ABOVE NORMAL TIDE
LEVELS...HIGHER AT HEADS OF BAYS...ALONG WITH BATTERING WAVES...CAN
BE EXPECTED WITHIN THE WARNING AREA.

REPEATING THE 7 PM CDT POSITION...27.8 N...89.0 W.  MOVEMENT
DRIFTING EASTWARD.  MAXIMUM SUSTAINED WINDS...45 MPH.  MINIMUM
CENTRAL PRESSURE...1001 MB.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 10 PM CDT.

FORECASTER LAWRENCE
 
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