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HURRICANE GASTON INTERMEDIATE ADVISORY NUMBER  37A
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072016
800 PM AST WED AUG 31 2016

...GASTON MOVING NORTHEASTWARD OVER THE CENTRAL ATLANTIC...


SUMMARY OF 800 PM AST...0000 UTC...INFORMATION
----------------------------------------------
LOCATION...35.6N 46.5W
ABOUT 1000 MI...1610 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES
ABOUT 1090 MI...1750 KM W OF LAJES AIR BASE IN THE AZORES
MAXIMUM SUSTAINED WINDS...105 MPH...165 KM/H
PRESENT MOVEMENT...NE OR 55 DEGREES AT 18 MPH...30 KM/H
MINIMUM CENTRAL PRESSURE...969 MB...28.62 INCHES


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

None.

SUMMARY OF WATCHES AND WARNINGS IN EFFECT:

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

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 800 PM AST (0000 UTC), the eye of Hurricane Gaston was located
near latitude 35.6 North, longitude 46.5 West.  Gaston is moving
toward the northeast near 18 mph (30 km/h).  A turn toward the
east-northeast and an increase in forward speed are expected
overnight, followed by a turn toward the east on Friday.  On the
forecast track, the center of Gaston will move near the western
and central Azores on Friday.

Maximum sustained winds are near 105 mph (165 km/h) with higher
gusts.  Weakening is forecast during the next 48 hours, and Gaston
is forecast to weaken to a tropical storm on Friday.

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 969 mb (28.62 inches).


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


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

$$
Forecaster Berg

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