Hurricane HELENE

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HURRICANE HELENE ADVISORY NUMBER  20
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
500 AM AST SUN SEP 17 2006
 
...HELENE STRENGTHENS A LITTLE....

AT 500 AM AST...0900Z...THE CENTER OF HURRICANE HELENE WAS LOCATED
NEAR LATITUDE 20.0 NORTH...LONGITUDE 48.2 WEST OR ABOUT 980 MILES...
1580 KM...EAST OF THE NORTHERN LEEWARD ISLANDS.
 
HELENE IS MOVING TOWARD THE NORTHWEST NEAR 9 MPH...15 KM/HR.
A MOTION BETWEEN WEST-NORTHWEST AND NORTHWEST IS EXPECTED DURING
THE NEXT 24 HOURS.
 
MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER
GUSTS.  SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.
 
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES...280 KM.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 979 MB...28.91 INCHES.
  
REPEATING THE 500 AM AST POSITION...20.0 N...48.2 W.  MOVEMENT
TOWARD...NORTHWEST NEAR 9 MPH.  MAXIMUM SUSTAINED WINDS...85 MPH.
MINIMUM CENTRAL PRESSURE...979 MB.
 
THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 AM AST.
 
$$
FORECASTER BROWN/KNABB
 
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