A system off the African coast could become the seventh named storm (probably Tropical Storm Gabrielle) in the central Atlantic.

Tropical Storm Mario formed off the coast of Mexico in the Eastern Pacific Ocean Friday morning, threatening heavy rain and some potential for flash flooding along the coast's higher terrain.

Tropical Storm Mario forms off the Pacific coast of Mexico and is forecast to bring rain and possible flooding ...

A tropical depression has formed in the Pacific and slow strengthening is expected over the next couple of days, the National ...

Tropical Storm Mario has formed off the Pacific coast of Mexico. Forecasters say it could bring wind, rain, and possible ...

MIAMI -- Tropical Storm Mario formed Friday off the Pacific coast of Mexico and was expected to bring wind, rain and possible ...

Tropical Storm Mario formed on Friday, Sept. 12, off the Pacific coast of Mexico, according to an afternoon advisory from the ...

A massive earthquake and subsequent tsunami off Russia in late July tested an experimental detection system that had deployed ...