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Hurricane HELENE


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HURRICANE HELENE ADVISORY NUMBER  39
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
1100 PM AST THU SEP 21 2006

...HELENE SLIGHTLY STRONGER MOVING NORTH-NORTHEAST OVER THE CENTRAL
ATLANTIC...
 
AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE HELENE WAS LOCATED
NEAR LATITUDE 31.8 NORTH...LONGITUDE 56.3 WEST OR ABOUT 500 MILES...
805 KM...EAST OF BERMUDA.
 
HELENE IS MOVING TOWARD THE NORTH-NORTHEAST NEAR 14 MPH...22 KM/HR
...AND A MOTION TOWARD THE NORTH-NORTHEAST OR NORTHEAST...WITH AN
INCREASE IN FORWARD SPEED...IS EXPECTED DURING THE NEXT 24 HOURS. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER
GUSTS.  HELENE IS A CATEGORY ONE HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE SCALE.  LITTLE CHANGE IN STRENGTH IS FORECAST DURING THE
NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 40 MILES...65 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 230
MILES...370 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
 
REPEATING THE 1100 PM AST POSITION...31.8 N...56.3 W.  MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 14 MPH.  MAXIMUM SUSTAINED WINDS...85
MPH.  MINIMUM CENTRAL PRESSURE...970 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
500 AM AST.
 
$$
FORECASTER MAINELLI/BEVEN
 
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