573 
WTNT33 KNHC 112031
TCPAT3

BULLETIN
Hurricane Helene Advisory Number  18
NWS National Hurricane Center Miami FL       AL082018
500 PM AST Tue Sep 11 2018

...HELENE EXPECTED TO GRADUALLY WEAKEN OVER THE COOLER WATERS OF THE
EASTERN ATLANTIC...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...17.2N 34.9W
ABOUT 725 MI...1170 KM W OF THE CABO VERDE ISLANDS
ABOUT 1515 MI...2435 KM SSW OF THE AZORES
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...968 MB...28.59 INCHES


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


DISCUSSION AND OUTLOOK
----------------------
At 500 PM AST (2100 UTC), the eye of Hurricane Helene was located
near latitude 17.2 North, longitude 34.9 West.  Helene is moving
toward the northwest near 12 mph (19 km/h) and this motion is
expected to continue tonight with a turn toward the north-northwest
on Wednesday.  Thereafter, Helene should recurve northeastward
with increasing forward speed.

Maximum sustained winds are near 105 mph (165 km/h) with higher
gusts.  Weakening is forecast, and Helene should weaken to a
tropical storm on Thursday.

Hurricane-force winds extend outward up to 35 miles (55 km) from the
center and tropical-storm-force winds extend outward up to 140 miles
(220 km).

The estimated minimum central pressure is 968 mb (28.59 inches).


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


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

$$
Forecaster Avila