NWS National Hurricane Center Miami FL AL112017
1100 AM AST Fri Sep 01 2017
…IRMA FORECAST TO REMAIN A POWERFUL HURRICANE FOR DAYS…
SUMMARY OF 1100 AM AST…1500 UTC…INFORMATION
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LOCATION…18.5N 37.8W
ABOUT 1580 MI…2540 KM E OF THE LEEWARD ISLANDS
MAXIMUM SUSTAINED WINDS…110 MPH…175 KM/H
PRESENT MOVEMENT…WNW OR 285 DEGREES AT 13 MPH…20 KM/H
MINIMUM CENTRAL PRESSURE…972 MB…28.71 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 18.5 North, longitude 37.8 West. Irma is moving toward the west-northwest near 13 mph (20 km/h). A turn toward the west is expected by tonight, followed by a turn toward the west-southwest on Saturday.
Maximum sustained winds are near 110 mph (175 km/h) with higher gusts. Fluctuations in strength, up or down, are possible during the next few days, but Irma is expected to remain a powerful hurricane through the weekend.
Hurricane-force winds extend outward up to 15 miles (30 km) from the center and tropical-storm-force winds extend outward up to 90 miles (150 km).
The estimated minimum central pressure is 972 mb (28.71 inches).
HAZARDS AFFECTING LAND
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None
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Source: The Daily Herald https://www.thedailyherald.sx/islands/69118-hurricane-irma-advisory-number-9
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