000
WTNT31 KNHC 312031
TCPAT1

BULLETIN
Hurricane Irma Advisory Number   6
NWS National Hurricane Center Miami FL       AL112017
500 PM AST Thu Aug 31 2017

...IRMA BECOMES A CATEGORY 3 HURRICANE OVER THE EASTERN ATLANTIC...


SUMMARY OF 500 PM AST...2100 UTC...INFORMATION
----------------------------------------------
LOCATION...17.3N 34.8W
ABOUT 720 MI...1160 KM W OF THE CABO VERDE ISLANDS
ABOUT 1780 MI...2865 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...115 MPH...185 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 12 MPH...19 KM/H
MINIMUM CENTRAL PRESSURE...967 MB...28.56 INCHES


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


DISCUSSION AND 48-HOUR OUTLOOK
------------------------------
At 500 PM AST (2100 UTC), the center of Hurricane Irma was located
near latitude 17.3 North, longitude 34.8 West.  Irma is moving
toward the west-northwest near 12 mph (19 km/h).  This motion is
expected to continue today, followed by a westward turn on Saturday,
and a west-southwestward motion by Sunday.

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.  Fluctuations in strength,
both up and down, are possible, but Irma is expected to remain a
powerful hurricane for several days.

Hurricane-force winds extend outward up to 15 miles (30 km) from the
center and tropical-storm-force winds extend outward up to 80 miles
(130 km).

The estimated minimum central pressure is 967 mb (28.56 inches).


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


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

$$
Forecaster Blake