ZCZC MIATCPAT3 ALL TTAA00 KNHC DDHHMM BULLETIN 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. $$ FORECASTER RHOME/PASCH NNNN
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Page last modified: Sunday, 24-Sep-2006 14:30:02 UTC