Hurricane Rafael has made landfall in Cuba as a Category 3 storm. It is expected to continue into the Gulf of Mexico, weakening but potentially threatening the southeastern United States. Only when tropical cyclones in the Atlantic Ocean encounter the right ingredients for long enough do they strengthen to the point of designation.

Follow along here for updates on what could become Hurricane Sara. Hurricane season isn't over yet, and forecasters say a system in the Caribbean could strengthen into Hurricane Sara next week and travel along an uncertain path in the Gulf of Mexico into late November.

As the Atlantic hurricane season comes to a close, another potential tropical storm is forming in the Caribbean. "A tropical wave over the central Caribbean Sea is producing an area of disorganized showers and thunderstorms,

The National Hurricane Center said Wednesday it is tracking a system in the Caribbean that could soon strengthen into Hurricane Sara.

A tropical wave in the Western Caribbean sea will likely organize into either tropical storm or hurricane Sara. Here’s what we know so far.