Hurricane Helene

Public Advisory 23

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674
WTNT33 KNHC 180236
TCPAT3
BULLETIN
HURRICANE HELENE ADVISORY NUMBER 23
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
1100 PM AST SUN SEP 17 2006

...HELENE BECOMES THE SECOND MAJOR HURRICANE OF THE 2006 SEASON...

AT 1100 PM AST...0300Z...THE EYE OF HURRICANE HELENE WAS LOCATED
NEAR LATITUDE 21.6 NORTH...LONGITUDE 49.4 WEST OR ABOUT 920 MILES...
1480 KM...EAST-NORTHEAST OF THE NORTHERN LEEWARD ISLANDS.

HELENE IS MOVING TOWARD THE NORTHWEST NEAR 8 MPH...13 KM/HR...AND
THIS MOTION IS EXPECTED TO CONTINUE OVERNIGHT WITH A GRADUAL TURN
TOWARD THE WEST-NORTHWEST ON MONDAY.

MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 115 MPH...185
KM/HR...WITH HIGHER GUSTS. HELENE IS A CATEGORY THREE HURRICANE ON
THE SAFFIR-SIMPSON HURRICANE SCALE. SOME FURTHER STRENGTHENING IS
FORECAST DURING THE NEXT 24 HOURS.

HELENE IS BECOMING A LARGE TROPICAL CYCLONE. HURRICANE FORCE WINDS
EXTEND OUTWARD UP TO 50 MILES...85 KM...FROM THE CENTER...AND
TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 200 MILES...325 KM.

THE ESTIMATED MINIMUM CENTRAL PRESSURE IS 962 MB...28.41 INCHES.

REPEATING THE 1100 PM AST POSITION...21.6 N...49.4 W. MOVEMENT
TOWARD...NORTHWEST NEAR 8 MPH. MAXIMUM SUSTAINED WINDS...115 MPH.
MINIMUM CENTRAL PRESSURE...962 MB.

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

$$
FORECASTER BLAKE/PASCH




823
WTNT32 KNHC 180237
TCPAT2
BULLETIN
HURRICANE GORDON ADVISORY NUMBER 29
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
1100 PM AST SUN SEP 17 2006

...GORDON MAINTAINING HURRICANE STRENGTH AS IT HEADS NORTHEASTWARD
OVER THE ATLANTIC...

AT 1100 PM AST...0300Z...THE CENTER OF HURRICANE GORDON WAS LOCATED
NEAR LATITUDE 35.4 NORTH...LONGITUDE 51.5 WEST OR ABOUT 1365 MILES
...2195 KM...WEST OF THE AZORES.

GORDON IS MOVING TOWARD THE NORTHEAST NEAR 14 MPH...22 KM/HR...AND
A GRADUAL TURN TOWARD THE EAST-NORTHEAST WITH AN INCREASE IN FORWARD
SPEED IS EXPECTED OVER THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS REMAIN NEAR 80 MPH...130 KM/HR...WITH HIGHER
GUSTS. LITTLE CHANGE IN STRENGTH 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 90
MILES...150 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 983 MB...29.03 INCHES.

REPEATING THE 1100 PM AST POSITION...35.4 N...51.5 W. MOVEMENT
TOWARD...NORTHEAST NEAR 14 MPH. MAXIMUM SUSTAINED WINDS...80 MPH.
MINIMUM CENTRAL PRESSURE...983 MB.

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

$$
FORECASTER PASCH