Tropical Storm Erin became the season's fifth named storm Aug. 11 and could become a hurricane this week. For St. Johns rain and heat are more immediate concerns.

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," ...

The National Hurricane Center is tracking Tropical Storm Erin, which is expected to become a hurricane later this week.