The National Hurricane Center is tracking two systems in the Atlantic basin, including a new one moving into the Gulf.

Tropical Storm Erin took a westward shift as it is expected to gain strength and become a hurricane by Aug. 14 or Aug. 15.

See latest spaghetti models for Tropical Storm Erin. Erin is expected to become a hurricane by the end of the week and a ...

The National Hurricane Center said Tropical Storm Erin is expected to begin strengthening today, Aug. 13 and become a ...