Hurricane Helene

Public Advisory 12

---

531
WTNT32 KNHC 150855
TCPAT2
BULLETIN
HURRICANE GORDON ADVISORY NUMBER 18
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL072006
500 AM AST FRI SEP 15 2006

...GORDON NOW A CATEGORY TWO HURRICANE OVER THE OPEN ATLANTIC...

AT 500 AM AST...0900Z...THE CENTER OF HURRICANE GORDON WAS LOCATED
NEAR LATITUDE 30.9 NORTH...LONGITUDE 53.4 WEST OR ABOUT 680 MILES...
1090 KM...EAST OF BERMUDA.

GORDON IS MOVING TOWARD THE NORTHEAST NEAR 9 MPH...15 KM/HR...AND
THIS MOTION IS EXPECTED TO CONTINUE FOR THE NEXT 24 HOURS WITH A
DECREASE IN FORWARD SPEED.

MAXIMUM SUSTAINED WINDS ARE NEAR 110 MPH...175 KM/HR...WITH HIGHER
GUSTS. GORDON IS NOW A CATEGORY TWO HURRICANE ON THE SAFFIR-SIMPSON
HURRICANE SCALE. SOME WEAKENING IS FORECAST DURING THE NEXT 24
HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 30 MILES...45 KM...FROM
THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 140
MILES...220 KM.

ESTIMATED MINIMUM CENTRAL PRESSURE IS 965 MB...28.50 INCHES.

REPEATING THE 500 AM AST POSITION...30.9 N...53.4 W. MOVEMENT
TOWARD...NORTHEAST NEAR 9 MPH. MAXIMUM SUSTAINED WINDS...110
MPH. MINIMUM CENTRAL PRESSURE...965 MB.

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

$$
FORECASTER BRENNAN/KNABB




781
WTNT33 KNHC 150855
TCPAT3
BULLETIN
TROPICAL STORM HELENE ADVISORY NUMBER 12
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL AL082006
500 AM AST FRI SEP 15 2006

...HELENE STILL NOT YET STRENGTHENING...

AT 500 AM AST...0900Z...THE CENTER OF TROPICAL STORM HELENE WAS
LOCATED NEAR LATITUDE 15.0 NORTH...LONGITUDE 40.3 WEST OR ABOUT 1060
MILES...1710 KM...WEST OF THE SOUTHERNMOST CAPE VERDE ISLANDS.

HELENE IS MOVING TOWARD THE WEST-NORTHWEST NEAR 15 MPH...24 KM/HR.
A CONTINUED MOTION TOWARD THE WEST-NORTHWEST WITH A GRADUAL
DECREASE IN FORWARD SPEED IS EXPECTED DURING THE NEXT 24 HOURS.

MAXIMUM SUSTAINED WINDS ARE NEAR 45 MPH...75 KM/HR...WITH HIGHER
GUSTS. SOME STRENGTHENING IS FORECAST DURING THE NEXT 24 HOURS.

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

ESTIMATED MINIMUM CENTRAL PRESSURE IS 1003 MB...29.62 INCHES.

REPEATING THE 500 AM AST POSITION...15.0 N...40.3 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 15 MPH. MAXIMUM SUSTAINED WINDS...45
MPH. MINIMUM CENTRAL PRESSURE...1003 MB.

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

$$
FORECASTER KNABB