Hurricane HELENE

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BULLETIN
HURRICANE HELENE ADVISORY NUMBER  49
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
500 AM AST SUN SEP 24 2006
 
...HELENE CONTINUES EAST-NORTHEASTWARD...COULD SPREAD GALES OVER THE
AZORES TONIGHT...

AT 500 AM AST...0900Z...THE CENTER OF HURRICANE HELENE WAS LOCATED
NEAR LATITUDE 39.9 NORTH...LONGITUDE 39.9 WEST OR ABOUT 705 MILES...
1135 KM...WEST-NORTHWEST OF THE AZORES.
 
HELENE IS MOVING TOWARD THE EAST-NORTHEAST NEAR 23 MPH...37 KM/HR. 
SOME DECREASE IN FORWARD SPEED IS EXPECTED OVER THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER
GUSTS.  SOME WEAKENING IS FORECAST DURING THE NEXT 24 HOURS...AND
HELENE IS EXPECTED TO LOSE TROPICAL CHARACTERISTICS LATER TODAY.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 90 MILES...150 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 375
MILES...600 KM.  ALTHOUGH THE CENTER OF HELENE IS EXPECTED TO PASS
WELL TO THE NORTH OF THE AZORES AS AN EXTRATROPICAL LOW...GALE
FORCE WINDS COULD IMPACT PORTIONS OF THE AZORES BY TONIGHT.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 973 MB...28.73 INCHES.
 
REPEATING THE 500 AM AST POSITION...39.9 N...39.9 W.  MOVEMENT
TOWARD...EAST-NORTHEAST NEAR 23 MPH.  MAXIMUM SUSTAINED WINDS...85
MPH.  MINIMUM CENTRAL PRESSURE...973 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 AM AST.
 
$$
FORECASTER FRANKLIN
 
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