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#898640 (Received by flhurricane at: 4:35 AM 17.Aug.2017)
TCPAT3

BULLETIN
Hurricane Gert Advisory Number 18
NWS National Hurricane Center Miami FL AL082017
500 AM AST Thu Aug 17 2017

...GERT BEGINS TO WEAKEN AS IT RACES TOWARD COLDER WATERS...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...41.7N 54.0W
ABOUT 350 MI...560 KM S OF CAPE RACE NEWFOUNDLAND
ABOUT 525 MI...840 KM ESE OF HALIFAX NOVA SCOTIA
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...ENE OR 65 DEGREES AT 39 MPH...63 KM/H
MINIMUM CENTRAL PRESSURE...968 MB...28.59 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 500 AM AST (0900 UTC), the center of Hurricane Gert was located
near latitude 41.7 North, longitude 54.0 West. Gert is moving
rapidly toward the east-northeast near 39 mph (63 km/h) and this
motion is expected to continue today. A slower northeastward to
east-northeastward motion is expected on Friday.

Maximum sustained winds have decreased to near 100 mph (155 km/h)
with higher gusts. Continued weakening is forecast, and Gert is
likely to lose its tropical characteristics by tonight.

Hurricane-force winds extend outward up to 35 miles (55 km) from the
center and tropical-storm-force winds extend outward up to 175 miles
(280 km).

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


HAZARDS AFFECTING LAND
----------------------
SURF: Swells generated by Gert will continue to affect the coast
of the northeastern United States and Atlantic Canada through
tonight. These swells are likely to cause life-threatening surf and
rip current conditions. Please consult products from your local
weather forecast office.


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

$$
Forecaster Cangialosi