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BULLETIN
Hurricane Irma Advisory Number  16
NWS National Hurricane Center Miami FL       AL112017
500 AM AST Sun Sep 03 2017

...IRMA'S INTENSITY CONTINUES TO FLUCTUATE AND IS BACK TO
CATEGORY 3 STRENGTH...
...INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS
OF IRMA...


SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
----------------------------------------------
LOCATION...18.0N 47.5W
ABOUT 945 MI...1520 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...WSW OR 255 DEGREES AT 15 MPH...24 KM/H
MINIMUM CENTRAL PRESSURE...969 MB...28.62 INCHES


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

Interests in the Leeward Islands should monitor the progress of
Irma.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 500 AM AST (0900 UTC), the eye of Hurricane Irma was located
near latitude 18.0 North, longitude 47.5 West.  Irma is moving
toward the west-southwest near 15 mph (24 km/h), and this course at
a slightly slower forward speed is expected through tonight.  A turn
toward the west is forecast on Monday.

Maximum sustained winds have increased to near 115 mph (185 km/h)
with higher gusts.  Irma is a category 3 hurricane on the
Saffir-Simpson Hurricane Wind Scale.  Some additional strengthening
is forecast through Monday night.

Hurricane-force winds extend outward up to 25 miles (35 km) from the
center, and tropical-storm-force winds extend outward up to 80 miles
(130 km).

The estimated minimum central pressure is 969 mb (28.62 inches).


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


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

$$
Forecaster Berg

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