The developing cluster of showers and thunderstorms over the Caribbean now has a name. The National Hurricane Center is tracking Invest99L as it moves over the central Caribbean Sea and gives the tropical rainstorm a 90% chance of developing into a ...

If the pressure moves away quickly enough and its trailing cold front follows suit, we will see a stronger Hurricane Sara that will have a greater impact on Florida, according to AccuWeather. Steering breezes could guide the system toward the Florida Keys and the southern part of the Florida Peninsula.

Lots of factors in play but Tropical Storm Sara is expected to form this week and could become a major hurricane threatening the US next week.