Evacuations are underway and time is running out for Floridians to prepare for Tropical Storm Helene, which threatens to hit as the strongest storm to make landfall in the United States in over a year.

A state of emergency has been declared in Florida where evacuations are underway along the Gulf Coast as Tropical Storm Helene strengthens. Residents in the storm's potential path have been told to prepare for up to a week without electricity.

Florida braces for Tropical Storm Helene, with mandatory evacuations and hurricane watches in effect as the storm threatens to become a major hurricane over the Gulf Coast.