TAMPA, Fla. (WFLA) — The National Hurricane Center is monitoring two tropical waves with a chance for development while major Hurricane Gabrielle prompts advisories in the Azores.

Located about 390 miles east-northeast of Bermuda, Gabrielle is moving toward the northeast at about 20 mph.

Its maximum sustained winds are near 140 mph with higher gusts, making it a Category 4 hurricane.

The storm will continue to move away from Bermuda on Tuesday and will begin to approach the Azores on Thursday. A Hurricane Watch is now in effect for all of the Azores.

Gabrielle is expected to gradually weaken during the next couple of days, the NHC said.

Central and western tropical Atlantic (AL93)

A tropical wave located about 1,000 miles east of the Lesser Antilles is showing signs of organization,

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