CHARLOTTE, N.C. — Tropical Storm Humberto officially formed in the Atlantic Ocean Wednesday. It is one of two areas of tropical development being monitored by the WCNC Weather Impact Team .

At 5 p.m., NOAA's National Hurricane Center (NHC) announced that Tropical Storm Humberto had officially developed about 550 miles northeast of the Leeward Islands, moving northwest at 15 mph with sustained winds of 40 mph. Prior to 5 p.m., forecasters had been monitoring the area under the name Invest 93L, which denotes it as an area of potential tropical development.

No immediate threat, but worth watching

At the time of formation, Humberto poses no threat to land, and there are no watches or warnings in effect. But forecasters expect the storm to gradually strengthen over the next several days as i

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