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TROPICAL STORM HELENE ADVISORY NUMBER  14
NATIONAL WEATHER SERVICE MIAMI FL
4 PM CDT THU SEP 21 2000
 
AT 4 PM CDT...A HURRICANE WATCH IS IN EFFECT FROM THE FLORIDA-
ALABAMA BORDER TO THE MOUTH OF THE AUCILLA RIVER.  A TROPICAL STORM
WARNING REMAINS IN EFFECT FROM THE MOUTH OF THE PEARL RIVER...ON THE
LOUISIANA-MISSISSIPPI BORDER...EASTWARD TO THE MOUTH OF THE AUCILLA
RIVER FLORIDA.  SMALL CRAFT SHOULD REMAIN IN PORT FROM THE MOUTH OF
THE PEARL RIVER TO THE MOUTH OF THE MISSISSIPPI RIVER.
 
AT 4 PM CDT...2100Z...THE CENTER OF TROPICAL STORM HELENE WAS
LOCATED NEAR LATITUDE 27.6 NORTH...LONGITUDE  87.2 WEST OR ABOUT 200
MILES SOUTH OF PENSACOLA FLORIDA.
 
HELENE IS MOVING TOWARD THE NORTH NEAR 13 MPH...AND THIS MOTION IS
EXPECTED TO CONTINUE TONIGHT WITH A GRADUAL TURN TO THE NORTH-
NORTHEAST ON FRIDAY.  THIS MOTION COULD BRING THE CENTER NEAR THE
WESTERN FLORIDA PANHANDLE COAST LATE TONIGHT OR FRIDAY MORNING.
 
MAXIMUM SUSTAINED WINDS ARE NEAR  65 MPH...WITH HIGHER GUSTS.  WHILE
UPPER LEVEL WINDS DO NOT FAVOR SIGNIFICANT STRENGTHENING...ANY
INCREASE COULD BRING HELENE CLOSE TO HURRICANE STRENGTH AS IT
APPROACHES THE FLORIDA COAST.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO  85 MILES MAINLY TO
THE EAST OF THE CENTER.
 
THE MINIMUM CENTRAL PRESSURE JUST MEASURED BY AN AIR FORCE RESERVE
HURRICANE HUNTER IS  998 MB...29.47 INCHES.
 
STORM SURGE FLOODING OF 3 TO 5 FT ABOVE NORMAL TIDE LEVELS...WITH
HIGHER LEVELS IN BAYS...ACCOMPANIED BY BATTERING WAVES...IS LIKELY
NEAR AND TO THE EAST OF WHERE THE CENTER MAKES LANDFALL.
 
RAINFALL AMOUNTS OF 5 TO 8 INCHES...WITH LOCALLY HEAVIER
AMOUNTS...ARE LIKELY ALONG THE PATH OF HELENE.

THERE IS A THREAT OF ISOLATED TORNADOES OVER THE WESTERN FLORIDA
PANHANDLE TONIGHT. 
 
REPEATING THE 4 PM CDT POSITION...27.6 N... 87.2 W.  MOVEMENT
TOWARD...NORTH NEAR 13 MPH.  MAXIMUM SUSTAINED WINDS... 65 MPH. 
MINIMUM CENTRAL PRESSURE... 998 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 7 PM CDT FOLLOWED BY THE NEXT COMPLETE ADVISORY AT 10 PM
CDT.
 
FORECASTER BEVEN
 
 
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