[Tropical] Public Tropical Cyclone Advisory

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BULLETIN
HURRICANE GASTON ADVISORY NUMBER  39
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072016
500 AM AST THU SEP 01 2016

...GASTON WEAKENS A LITTLE...TROPICAL STORM WARNING ISSUED FOR THE
WESTERN AZORES...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...36.8N 43.3W
ABOUT 805 MI...1300 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES
ABOUT 895 MI...1440 KM W OF LAJES AIR BASE IN THE AZORES
MAXIMUM SUSTAINED WINDS...90 MPH...150 KM/H
PRESENT MOVEMENT...ENE OR 60 DEGREES AT 20 MPH...31 KM/H
MINIMUM CENTRAL PRESSURE...977 MB...28.85 INCHES


WATCHES AND WARNINGS
--------------------
CHANGES WITH THIS ADVISORY:

The Azores Meteorological Service has issued a Tropical Storm
Warning for Flores and Corvo in the western Azores.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

A Tropical Storm Warning is in effect for...
* Flores and Corvo in the western Azores

A Tropical Storm Watch is in effect for...
* Faial, Pico, Graciosa, Sao Jorge, and Terceira in the central
Azores

A Tropical Storm Warning means that tropical storm conditions are
expected somewhere within the warning area within 36 hours.

A Tropical Storm Watch means that tropical storm conditions are
possible within the watch area, generally within 48 hours.

For storm information specific to your area, please monitor
products issued by your national meteorological service.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 500 AM AST (0900 UTC), the center of Hurricane Gaston was located
near latitude 36.8 North, longitude 43.3 West. Gaston is moving
toward the east-northeast near 20 mph (31 km/h), and this
general motion is expected to continue during the next day or two.
On the forecast track, the center of Gaston will move near the
western Azores on Friday and the central Azores by Friday night.

Maximum sustained winds have decreased to near 90 mph (150 km/h)
with higher gusts.  Weakening is forecast during the next 48 hours,
and Gaston is expected to lose hurricane intensity by early Friday
before it reaches the western Azores.

Hurricane-force winds extend outward up to 45 miles (75 km) from the
center and tropical-storm-force winds extend outward up to 175 miles
(280 km).

The estimated minimum central pressure is 977 mb (28.85 inches).


HAZARDS AFFECTING LAND
----------------------
WIND:  Tropical storm conditions are expected in the western Azores
on Friday.  Tropical storm conditions are possible in the central
Azores late Friday and Friday night.


NEXT ADVISORY
-------------
Next intermediate advisory at 800 AM AST.
Next complete advisory at 1100 AM AST.

$$
Forecaster Cangialosi

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