One year ago this evening, Hurricane Helene flooded the Tampa Bay area and made landfall in the Big Bend Florida devastating communities on the coast. The giant storm, then sped inland creating a swath of destruction across North Georgia before stalling over the mountains of North Carolina and eastern Tennessee.

Hurricane Humberto is forecast to become a major hurricane this weekend and a second system — likely to become Imelda — is a possible threat to the U.S. coast, especially the Carolinas.

More tropical trouble is brewing in the Atlantic Ocean, with the National Hurricane Center now on high alert for the formation of a new storm that will join Hurricane Humberto. But unlike Humberto, this one could go on to directly impact the United States and leave little time to prepare.

Tropical wave Invest 94L is expected to become Tropical Storm Imelda, with potential impacts in South Carolina early next week. Heavy rain and strong winds are possible.

Two strong storms are making their way toward the U.S., with both having potential to become strong hurricanes.

The city of Conway declared a state of emergency Thursday afternoon in preparation of what could become Tropical Storm Imelda. The state of emergency was declared at 3:30 p.m., and the city is now operating at OPCON 2,

Named after Japanese meteorologist Sakuhei Fujiwhara in 1921, the rare phenomenon sparks when two cyclones come within 900 miles of each other and begin spinning around a shared center. Click here to follow the Mirror US on Google News to stay up to date with all the latest news, sports and entertainment stories.

As Hurricane Gabrielle tracks east toward Azores, Tropical Storm Humberto may tangle with another developing storm system heading toward the U.S.