Hurricane Irma Public Advisory
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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.
