Tropical Storm HELENE

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TROPICAL STORM HELENE ADVISORY NUMBER  50
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL   AL082006
1100 AM AST SUN SEP 24 2006

...HELENE BECOMES EXTRATROPICAL...

SATELLITE IMAGES AND OTHER DATA INDICATE THAT HELENE HAS LOST ITS
TROPICAL CHARACTERISTICS AND IT IS NOW AN EXTRATROPICAL CYCLONE. 
 
AT 1100 AM AST...1500Z...THE CENTER OF TROPICAL STORM HELENE WAS
LOCATED NEAR LATITUDE 40.9 NORTH...LONGITUDE 37.5 WEST OR ABOUT 595
MILES...955 KM...WEST-NORTHWEST OF THE AZORES.
 
HELENE IS MOVING TOWARD THE NORTHEAST NEAR 21 MPH...33 KM/HR...AND
THIS GENERAL MOTION IS EXPECTED TO CONTINUE WITH A DECREASE IN
FORWARD SPEED. 
 
MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS.  SLOW WEAKENING IS FORECAST DURING THE NEXT 24 HOURS.
 
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 430 MILES...695 KM
FROM THE CENTER.  ALTHOUGH THE CENTER OF THE SYSTEM IS EXPECTED TO
PASS WELL TO THE NORTH OF THE AZORES AS AN EXTRATROPICAL LOW...GALE
FORCE WINDS COULD IMPACT PORTIONS OF THE AZORES LATER TODAY OR
TONIGHT.
 
ESTIMATED MINIMUM CENTRAL PRESSURE IS 970 MB...28.64 INCHES.
 
REPEATING THE 1100 AM AST POSITION...40.9 N...37.5 W.  MOVEMENT
TOWARD...NORTHEAST NEAR 21 MPH.  MAXIMUM SUSTAINED WINDS...70 MPH.
MINIMUM CENTRAL PRESSURE...970 MB.
 
THIS IS THE LAST PUBLIC ADVISORY ISSUED BY THE NATIONAL HURRICANE
CENTER ON HELENE.  ADDITIONAL INFORMATION ON THIS SYSTEM CAN BE
FOUND IN HIGH SEAS FORECASTS ISSUED BY THE NATIONAL WEATHER
SERVICE...UNDER AWIPS HEADER NFDHSFAT1 AND WMO HEADER FZNT01
KWBC...AND BY METEOFRANCE UNDER WMO HEADER FQNT50 LFPW.
 
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FORECASTER RHOME/PASCH
 
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