NWS National Hurricane Center Miami FL AL112017
1100 AM AST Thu Aug 31 2017
...HURRICANE IRMA RAPIDLY INTENSIFYING OVER THE EASTERN ATLANTIC...
SUMMARY OF 1100 AM AST...1500 UTC...INFORMATION
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LOCATION...16.9N 33.8W
ABOUT 650 MI...1050 KM W OF THE CABO VERDE ISLANDS
ABOUT 1845 MI...2975 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS...100 MPH...155 KM/H
PRESENT MOVEMENT...WNW OR 290 DEGREES AT 10 MPH...17 KM/H
MINIMUM CENTRAL PRESSURE...979 MB...28.91 INCHES
WATCHES AND WARNINGS
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There are no coastal watches or warnings in effect.
DISCUSSION AND 48-HOUR OUTLOOK
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At 1100 AM AST (1500 UTC), the center of Hurricane Irma was located near latitude 16.9 North, longitude 33.8 West. Irma is moving toward the west-northwest near 10 mph (17 km/h). This general motion is forecast through early Friday, followed by a generally westward motion on Saturday.
Maximum sustained winds have increased to near 100 mph (155 km/h) with higher gusts. Irma is forecast to become a major hurricane by tonight and is expected to be an extremely dangerous hurricane for the next 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 979 mb (28.91 inches).
HAZARDS AFFECTING LAND
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None
