Tropical Storm Debby forms, expected to be a hurricane by Monday and hit Florida’s Gulf Coast

Tropical storm Debby formed late Saturday and was expected to surge up into a hurricane before it slams into Florida’s northern Gulf Coast shoreline on Monday, the National Hurricane Center said.

The storm turned into a tropical storm after days of spinning as a broad, sloppy system in the Atlantic, finally shoving off Cuba’s northern coast on Saturday evening, when it was about 100 miles west-southwest of Key West, Florida, forecasters said.

“It’s become clearer and clearer...