There's a small chance that a system in the southwestern Atlantic could form into Tropical Storm Sara in the next 48 hours.

Tropical Storm Rafael formed in the Caribbean on Monday, a storm that's predicted to intensify into a hurricane and threaten ...

An Atlantic storm that could become Tropical Storm Rafael—if Tropical Storm Patty is officially named in the Caribbean—has a 10 percent chance of forming.

The season’s 17th named storm formed late Monday afternoon in the Caribbean and is expected to become a hurricane sometime ...

The 18th named storm of the Atlantic hurricane season was gaining strength Tuesday morning after forming in the Caribbean.

Subtropical Storm Patty formed early Saturday in the North Atlantic near the Azores and was spinning eastward toward the ...

Tropical Storm Rafael formed in the Caribbean on Monday and is forecast to become a hurricane on Tuesday. It could approach ...

Tropical Storm Rafael is forecast to become a hurricane in the northwestern Caribbean near the Cayman Islands before making ...

A new tropical system has formed. Potential Tropical Cyclone 18 has formed in the South-Central Caribbean. Hurricane Watch ...

Rafael is the 17th named storm of the Atlantic hurricane season, and it will be the 11th hurricane if it strengthens further, ...

Given "significant uncertainties," forecasters with the National Hurricane Center are uncertain about the storm's path and ...

Early Saturday morning, the National Hurricane Center named Subtropical Storm Patty in the Northern Atlantic. The storm is ...