The National Hurricane Center in Miami says Tropical Storm Barbara is strengthening off the southwest coast of Mexico.

Tropical Depression Three-E formed in the Eastern Pacific on Sunday morning and is expected to strengthen into Tropical Storm Cosme in a matter of hours.

Millions of people across the central and eastern U.S. are on alert for powerful storms on Sunday as activity in the tropical ...

Tropical Storm Barbara has formed off the southwest coast of Mexico, the National Hurricane Center in Miami said early Sunday. No coastal watches or warnings were issued.