Tropical Storm Erin is expected to become a hurricane, according to the NHC's advisory. What's the impact to Palm Beach County and Florida?

Tropical Storm Erin formed in the eastern Atlantic Ocean on Monday, forecasters said. The storm was expected to strengthen later in the week and could become the Atlantic's first hurricane of the season.

Forecasters say Erin will likely become a hurricane by late Thursday and a major hurricane by early Sunday, but it's still too early to determine what sort of impacts the storm could have, if any, on the U.