256 
WTNT33 KNHC 100852
TCPAT3

BULLETIN
Hurricane Helene Advisory Number  12
NWS National Hurricane Center Miami FL       AL082018
500 AM AST Mon Sep 10 2018

...HELENE MOVING WEST-NORTHWEST OVER THE EASTERN ATLANTIC...
...EXPECTED TO RESUME STRENGTHENING TODAY...

SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...14.3N 28.9W
ABOUT 305 MI...485 KM W OF THE SOUTHERNMOST CABO VERDE ISLANDS
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...984 MB...29.06 INCHES


WATCHES AND WARNINGS
--------------------
There are no coastal watches or warnings in effect.


DISCUSSION AND OUTLOOK
----------------------
At 500 AM AST (0900 UTC), the center of Hurricane Helene was located
near latitude 14.3 North, longitude 28.9 West. Helene is moving
toward the west-northwest near 17 mph (28 km/h) and this motion is
expected to continue for another couple of days.  A turn to the
northwest is forecast to occur on Wednesday.

Maximum sustained winds are near 85 mph (140 km/h) with higher
gusts.  Helene's expected to resume strengthening today.  Afterward,
weakening is forecast to commence Wednesday morning.

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).

The estimated minimum central pressure is 984 mb (29.06 inches).


HAZARDS AFFECTING LAND
----------------------
None

NEXT ADVISORY
-------------
Next complete advisory at 1100 AM AST.

$$
Forecaster Roberts