Hurricane Helene

Public Advisory 16

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873
WTNT32 KNHC 160840
TCPAT2
BULLETIN
HURRICANE GORDON ADVISORY NUMBER 22
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
500 AM AST SAT SEP 16 2006

...GORDON MEANDERING OVER THE CENTRAL ATLANTIC...

AT 500 AM AST...0900Z...THE CENTER OF HURRICANE GORDON WAS LOCATED
NEAR LATITUDE 31.3 NORTH...LONGITUDE 53.7 WEST OR ABOUT 655 MILES...
1055 KM...EAST OF BERMUDA.

GORDON HAS BEEN DRIFTING ERRATICALLY OVER THE PAST SEVERAL HOURS
...AND IS NOW NEARLY STATIONARY. A SLOW NORTHWARD MOTION IS
EXPECTED TO DEVELOP DURING THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 75 MPH...120 KM/HR...WITH HIGHER
GUSTS. SOME SLOW WEAKENING 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 105
MILES...165 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 987 MB...29.15 INCHES.

REPEATING THE 500 AM AST POSITION...31.3 N...53.7 W. MOVEMENT...
STATIONARY. MAXIMUM SUSTAINED WINDS...75 MPH. MINIMUM CENTRAL
PRESSURE...987 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 AM AST.

$$
FORECASTER BRENNAN/KNABB




556
WTNT33 KNHC 160853
TCPAT3
BULLETIN
TROPICAL STORM HELENE ADVISORY NUMBER 16
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
500 AM AST SAT SEP 16 2006

...HELENE NOT QUITE YET A HURRICANE...

AT 500 AM AST...0900Z...THE CENTER OF TROPICAL STORM HELENE WAS
LOCATED NEAR LATITUDE 17.9 NORTH...LONGITUDE 44.7 WEST OR ABOUT 1210
MILES...1945 KM...EAST OF THE NORTHERN LEEWARD ISLANDS.

HELENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR...
AND THIS GENERAL MOTION IS EXPECTED TO CONTINUE DURING THE NEXT 24
HOURS.

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

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

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

REPEATING THE 500 AM AST POSITION...17.9 N...44.7 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...70
MPH. MINIMUM CENTRAL PRESSURE...992 MB.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE CENTER AT
1100 AM AST.

$$
FORECASTER KNABB