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.