Tropical Storm Arthur has formed in the Gulf near the middle Texas coast, according to the National Weather Service.
Tropical Storm Jerry formed over the central Atlantic Ocean Tuesday and is expected to strengthen into a hurricane by Wednesday.
Bermuda - now under a hurricane warning - faces a rare one-two punch from the storms, as Humberto brushes by the archipelago Tuesday followed by a direct hit from Imelda.
Authorities in the Bahamas have closed a majority of schools as Tropical Storm Imelda drops heavy rain and unleashes flooding in the northern Caribbean, with two people killed in Cuba.
Tropical Storm Imelda formed Sunday and is expected to become a hurricane on a forecast track that could take it away from the U.S. East Coast early this week.
Crews have been preparing for a weather system forecast to hit South Carolina as a hurricane early next week