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Hurricane Helene Advisory Number 12
NWS National Hurricane Center Miami FL AL082018
500 AM AST Mon Sep 10 2018
...HELENE MOVING WEST-NORTHWEST OVER THE EASTERN ATLANTIC...
...EXPECTED TO RESUME STRENGTHENING TODAY...
SUMMARY OF 500 AM AST...0900 UTC...INFORMATION
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LOCATION...14.3N 28.9W
ABOUT 305 MI...485 KM W OF THE SOUTHERNMOST CABO VERDE ISLANDS
MAXIMUM SUSTAINED WINDS...85 MPH...140 KM/H
PRESENT MOVEMENT...WNW OR 285 DEGREES AT 17 MPH...28 KM/H
MINIMUM CENTRAL PRESSURE...984 MB...29.06 INCHES
WATCHES AND WARNINGS
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There are no coastal watches or warnings in effect.
DISCUSSION AND OUTLOOK
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At 500 AM AST (0900 UTC), the center of Hurricane Helene was located
near latitude 14.3 North, longitude 28.9 West. Helene is moving
toward the west-northwest near 17 mph (28 km/h) and this motion is
expected to continue for another couple of days. A turn to the
northwest is forecast to occur on Wednesday.
Maximum sustained winds are near 85 mph (140 km/h) with higher
gusts. Helene's expected to resume strengthening today. Afterward,
weakening is forecast to commence Wednesday morning.
Hurricane-force winds extend outward up to 25 miles (35 km) from the
center and tropical-storm-force winds extend outward up to 90 miles
(150 km).
The estimated minimum central pressure is 984 mb (29.06 inches).
HAZARDS AFFECTING LAND
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None
NEXT ADVISORY
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Next complete advisory at 1100 AM AST.
$$
Forecaster Roberts
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