000
WTNT31 KNHC 020242
TCPAT1

BULLETIN
Hurricane Irma Advisory Number  11
NWS National Hurricane Center Miami FL       AL112017
1100 PM AST Fri Sep 01 2017

...IRMA FLUCTUATING IN INTENSITY BUT STILL A POWERFUL HURRICANE...


SUMMARY OF 1100 PM AST...0300 UTC...INFORMATION
-----------------------------------------------
LOCATION...19.1N 40.5W
ABOUT 1405 MI...2260 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...W OR 275 DEGREES AT 14 MPH...22 KM/H
MINIMUM CENTRAL PRESSURE...967 MB...28.56 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 1100 PM AST (0300 UTC), the center of Hurricane Irma was located
near latitude 19.1 North, longitude 40.5 West. Irma is moving toward
the west near 14 mph (22 km/h).  A turn toward the west-southwest
is expected on Saturday.

Maximum sustained winds are near 115 mph (185 km/h) with higher
gusts.  Irma is a category 3 hurricane on the Saffir-Simpson
Hurricane Wind Scale.  Fluctuations in strength, up or down, are
possible during the next few days, but Irma is expected to remain a
powerful hurricane through the weekend.

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 967 mb (28.56 inches).


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


NEXT ADVISORY
-------------
Next complete advisory at 500 AM AST.

$$
Forecaster Zelinsky