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 cluster of showers and thunderstorms over the Caribbean that the National Hurricane Center has named Potential Tropical Cyclone Nineteen has a strong chance of developing into Sara, the next major hurricane of the season by Friday as it moves over the ...

National Hurricane Center is monitoring a broad area of low pressure over the central Caribbean Sea that continues to produce a large area of disorganized showers and thunderstorms.