000
WTNT32 KNHC 272039
TCPAT2

BULLETIN
TROPICAL STORM GASTON ADVISORY NUMBER  21
NWS NATIONAL HURRICANE CENTER MIAMI FL       AL072016
500 PM AST SAT AUG 27 2016

...GASTON SHOULD BECOME A HURRICANE AGAIN LATER TONIGHT...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...29.2N 54.0W
ABOUT 675 MI...1085 KM ESE OF BERMUDA
MAXIMUM SUSTAINED WINDS...70 MPH...110 KM/H
PRESENT MOVEMENT...NW OR 320 DEGREES AT 9 MPH...15 KM/H
MINIMUM CENTRAL PRESSURE...993 MB...29.33 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 500 PM AST (2100 UTC), the center of Tropical Storm Gaston was
located near latitude 29.2 North, longitude 54.0 West. Gaston is
moving toward the northwest near 9 mph (15 km/h), and this motion
accompanied by a gradual decrease in forward speed is expected
during the next couple of days.

Maximum sustained winds are near 70 mph (110 km/h) with higher
gusts.  Strengthening is forecast during the next 48 hours, and
Gaston is expected to become a hurricane later tonight.

Tropical-storm-force winds extend outward up to 150 miles (240 km)
from the center.

The estimated minimum central pressure is 993 mb (29.33 inches).


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


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

$$
Forecaster Stewart