Hurricane Helene

Public Advisory 15

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602
WTNT32 KNHC 160241
TCPAT2
BULLETIN
HURRICANE GORDON ADVISORY NUMBER 21
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
1100 PM AST FRI SEP 15 2006

...GORDON SLOWLY WEAKENING AS IT MEANDERS OVER THE OPEN ATLANTIC...

AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE GORDON WAS LOCATED
NEAR LATITUDE 31.3 NORTH...LONGITUDE 53.4 WEST OR ABOUT 675 MILES...
1085 KM...EAST OF BERMUDA.

GORDON IS DRIFTING TOWARD THE NORTH-NORTHEAST NEAR 4 MPH...6 KM/HR
... AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24
HOURS. HOWEVER...STEERING CURRENTS ARE WEAK AND SOME ERRATIC MOTION
WILL BE POSSIBLE.

MAXIMUM SUSTAINED WINDS ARE NEAR 85 MPH...140 KM/HR...WITH HIGHER
GUSTS. GRADUAL WEAKENING IS FORECAST DURING THE NEXT 24 HOURS...
AND GORDON IS EXPECTED TO BECOME A TROPICAL STORM ON SATURDAY.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 25 MILES...35 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 105
MILES...165 KM.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 980 MB...28.94 INCHES.

REPEATING THE 1100 PM AST POSITION...31.3 N...53.4 W. MOVEMENT
TOWARD...NORTH-NORTHEAST NEAR 5 MPH. MAXIMUM SUSTAINED WINDS...85
MPH. MINIMUM CENTRAL PRESSURE...980 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 500 AM AST.

$$
FORECASTER STEWART





959
WTNT33 KNHC 160245
TCPAT3
BULLETIN
TROPICAL STORM HELENE ADVISORY NUMBER 15
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
1100 PM AST FRI SEP 15 2006

...HELENE STILL MOVING WEST-NORTHWESTWARD OVER THE OPEN TROPICAL
ATLANTIC OCEAN...

AT 1100 PM AST...0300Z...THE CENTER OF TROPICAL STORM HELENE WAS
LOCATED NEAR LATITUDE 17.2 NORTH...LONGITUDE 43.7 WEST OR ABOUT
1195 MILES...1925 KM...EAST OF THE LEEWARD ISLANDS.

HELENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 14 MPH...22 KM/HR...
AND THIS GENERAL MOTION SHOULD CONTINUE FOR THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 70 MPH...110 KM/HR...WITH HIGHER
GUSTS. SOME GRADUAL STRENGTHENING IS FORECAST DURING THE NEXT 24
HOURS...AND HELENE IS EXPECTED TO BECOME A HURRICANE ON SATURDAY.

TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 115 MILES...185 KM
FROM THE CENTER.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 992 MB...29.29 INCHES.

REPEATING THE 1100 PM AST POSITION...17.2 N...43.7 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...70
MPH. MINIMUM CENTRAL PRESSURE...992 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER
AT 500 AM AST.

$$
FORECASTER STEWART