The National Hurricane Center is tracking two systems in the Atlantic basin, including Invest 98L, which could become a tropical depression before moving onshore in either Mexico or southern Texas.

Tropical Storm Erin is expected to strengthen, but will the storm be a direct hit to Delaware and the East Coast? See models, the latest updates here.

The hatched areas on the National Hurricane Center's tropical outlook map indicate "areas where a tropical cyclone — which could be a tropical depression, tropical storm or hurricane — could develop," said National Hurricane Center Deputy Director Jamie Rhome.

Tropical Storm Erin is not expected to directly hit Georgia, but dangerous rip currents are coming. Here's more.