Hurricane HELENE

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HURRICANE HELENE ADVISORY NUMBER  36
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
500 AM AST THU SEP 21 2006

...HELENE WEAKENS SLIGHTLY OVER THE CENTRAL ATLANTIC...
 
AT 500 AM AST...0900Z...THE CENTER OF HURRICANE HELENE WAS LOCATED
NEAR LATITUDE 28.4 NORTH...LONGITUDE 56.8 WEST OR ABOUT 550 MILES...
880 KM...EAST-SOUTHEAST OF BERMUDA.
 
HELENE IS MOVING TOWARD THE NORTH NEAR 13 MPH...20 KM/HR. A GRADUAL
TURN TOWARD THE NORTH-NORTHEAST OR NORTHEAST...WITH AN INCREASE IN
FORWARD SPEED...IS EXPECTED DURING THE NEXT 24 HOURS. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 90 MPH...150 KM/HR...WITH HIGHER
GUSTS.  SLIGHT STRENGTHENING IS POSSIBLE DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 45 MILES...75 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200
MILES...325 KM.
 
THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 964 MB...28.47 INCHES.

ALTHOUGH HELENE IS EXPECTED TO PASS SEVERAL HUNDRED MILES TO THE
EAST OF BERMUDA...LARGE OCEAN SWELLS PRODUCING HAZARDOUS SURF
CONDITIONS COULD AFFECT THE AREA LATER TODAY AND ON FRIDAY.

REPEATING THE 500 AM AST POSITION...28.4 N...56.8 W.  MOVEMENT
TOWARD...NORTH NEAR 13 MPH.  MAXIMUM SUSTAINED WINDS...90 MPH.
MINIMUM CENTRAL PRESSURE...964 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 AM AST.
 
$$
FORECASTER STEWART
 
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