Invest 97 became Tropical Storm Erin on Monday morning. It is expected to strengthen into a hurricane over the next day or ...

Tropical cyclones become tropical storms when sustained winds reach 39–73 mph, are upgraded to hurricanes at 74 mph, and ...

Tropical Storm Erin continues to move quickly west, and is expected to become the first hurricane of the Atlantic season.

Hurricane forecasters say Tropical Storm Erin is set to strengthen into a hurricane and then a major hurricane within a matter of days.

Tropical Storm Erin is still moving quickly westward and is forecast to become a hurricane in a few days over the central ...

For now, most reliable computer models that meteorologists use show Erin curving away from the United States, spinning off ...

Tropical storm Erin is expected to strengthen to a major hurricane. How powerful and destructive could this system be?

Tropical Storm Erin is forecast to become the season’s first hurricane by Thursday, the National Hurricane Center says.

A strengthening tropical storm in the Atlantic is capturing attention, and for good reason. "Erin is forecast to intensify ...

Tropical Storm Erin has a long path that includes becoming the first hurricane of the year by this weekend as it moves ...

The National Hurricane Center expects the storm to strengthen over the next several days and says it could become a hurricane by late Thursday.

The U.S. could see the landfall of its first hurricane this year in the coming weeks, as Tropical Storm Erin continues to ...