Miami, September 14 (RHC)-- Tropical Storm Humberto is threatening Grand Bahama Island, creating new concerns for more than 2,000 people living in shelters and those trying to rebuild their homes after Hurricane Dorian.

As of 11 a.m. ET on Saturday, the storm was about 30 miles east-northeast of Great Abaco Island and about 145 miles east of Freeport, Grand Bahama Island, the National Hurricane Center said Saturday. Tropical Storm Humberto had maximum sustained winds of 50 mph and was nearly stationary for several hours.

Humberto is forecast to move away from the northwestern Bahamas by Saturday evening and become a hurricane by Sunday evening. By then, the storm will be moving away from the United States