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Hurricane GASTON


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BULLETIN
HURRICANE GASTON ADVISORY NUMBER  37
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072016
500 PM AST WED AUG 31 2016

...GASTON WEAKENS WHILE MOVING NORTHEASTWARD...
...TROPICAL STORM WATCH ISSUED FOR PORTIONS OF THE AZORES...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...35.0N 46.9W
ABOUT 1035 MI...1665 KM W OF FAIAL ISLAND IN THE CENTRAL AZORES
ABOUT 1120 MI...1805 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:

The Azores Meteorological Service has issued a Tropical Storm Watch
for Flores and Corvo in the western Azores and for Faial, Pico,
Graciosa, Sao Jorge, and Terceira in the central Azores.

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 500 PM AST (2100 UTC), the eye of Hurricane Gaston was located
near latitude 35.0 North, longitude 46.9 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
tonight, 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 have decreased to near 105 mph (165 km/h)
with higher gusts.  Additional 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 within the watch
area on Friday.


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

$$
Forecaster Brennan

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