The National Hurricane Center began advisories Wednesday on a system it forecasts to become the season’s next tropical depression or storm. Long-range forecast models predict it will intensify into a hurricane and threaten Florida by the middle of next week.

The National Hurricane Center is monitoring Potential Tropical Cyclone 19, which could impact Florida sometime next week | See the latest:

A tropical disturbance building in the Caribbean Sea has been designated as Potential Tropical Cyclone 19 by the National Hurricane Center, and is forecast to strengthen into a tropical storm – known as Tropical Storm Sara – over the next few days.