000
WTNT31 KNHC 020848
TCPAT1

BULLETIN
Hurricane Irma Advisory Number  12
NWS National Hurricane Center Miami FL       AL112017
500 AM AST Sat Sep 02 2017

...IRMA CONTINUES TO FLUCTUATE IN STRENGTH BUT REMAINS A POWERFUL
HURRICANE...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...19.0N 41.8W
ABOUT 1320 MI...2120 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...110 MPH...175 KM/H
PRESENT MOVEMENT...W OR 270 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...970 MB...28.65 INCHES


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

Interests in the northern Leeward Islands should monitor the
progress of this system.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 500 AM AST (0900 UTC), the center of Hurricane Irma was located
near latitude 19.0 North, longitude 41.8 West. Irma is moving toward
the west near 14 mph (22 km/h).  A west-southwest motion is
expected during the next couple of days.

Maximum sustained winds are near 110 mph (175 km/h) with higher
gusts.  Fluctuations in strength, up or down, are possible during
the next couple of days, but Irma is expected to remain a powerful
hurricane into early next week.

Hurricane-force winds extend outward up to 25 miles (35 km) from the
center and tropical-storm-force winds extend outward up to 70 miles
(110 km).

The estimated minimum central pressure is 970 mb (28.65 inches).


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


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

$$
Forecaster Cangialosi