MIAMI (AP) — Humberto strengthened into a powerful Category 4 hurricane Friday, and it was expected to continue strengthening rapidly over the central Atlantic Ocean, forecasters said.

Hurricane Humberto had maximum sustained winds of 145 mph (230 kph) Friday night, according to the Miami-based National Hurricane Center's latest advisory. The storm was located about 390 miles (630 kilometers) northeast of the northern Leeward Islands.

THIS IS A BREAKING NEWS UPDATE. AP’s earlier story follows below.

MIAMI (AP) — Dangerous tropical weather brewed Friday in the Atlantic Ocean with Humberto intensifying into a major Category 3 hurricane and a system forecasters dubbed “Potential Tropical Cyclone Nine” striking the Caribbean and taking aim at the Southeast United States.

Hurricane Humbert

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