Skip Navigation Links
NOAA NOAA United States Department of Commerce

Hurricane IRMA


ZCZC MIATCPAT1 ALL
TTAA00 KNHC DDHHMM

BULLETIN
Hurricane Irma Advisory Number  17
NWS National Hurricane Center Miami FL       AL112017
1100 AM AST Sun Sep 03 2017

...CATEGORY THREE HURRICANE IRMA MOVING WEST-SOUTHWESTWARD...
...INTERESTS IN THE LEEWARD ISLANDS SHOULD MONITOR THE PROGRESS
OF IRMA...


SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
-----------------------------------------------
LOCATION...17.7N 48.4W
ABOUT 885 MI...1420 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...WSW OR 255 DEGREES AT 14 MPH...22 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.  Hurricane and Tropical Storm Watches will likely be required
for portions of these islands later today or tonight.


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 1100 AM AST (1500 UTC), the center of Hurricane Irma was located
near latitude 17.7 North, longitude 48.4 West. Irma is moving toward
the west-southwest near 14 mph (22 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 are near 115 mph (185 km/h) with higher
gusts.  Irma is a category 3 hurricane on the Saffir-Simpson
Hurricane Wind Scale.  Some strengthening is forecast during the
next 48 hours.

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 500 PM AST.

$$
Forecaster Brown

NNNN