Tropical Storm Erin's path puts some homeowners at heightened risk, as the storm starts building into a hurricane tracked by meteorologists.

Hurricane Erin further weakened to a Category 3 storm early Sunday morning as it churned over the Atlantic Ocean north of the Caribbean. Forecasters with the National Hurricane Center in Miami later said the storm is "likely to strengthen again.

It quickly powered up from a tropical storm to a Category 5 in a single day, the National Hurricane Center said.