Tropical Storm Barbara formed off the southern coast of Mexico on Sunday morning, and forecasters say it's expected to become the first hurricane of the season in the Eastern Pacific.

A tropical storm is a tropical cyclone that has maximum sustained winds between 39 and 73 mph – an upgrade from a tropical depression.

The National Hurricane Center said that Tropical Storm Barbara reached 40 mph, officially designating it as a tropical storm.

A busy start to the hurricane season in the eastern Pacific Ocean got even busier Saturday morning as the National Hurricane Center has now added a third area to watch for possible tropical ...

The NHC is now monitoring three areas off the western Mexico coast that could see tropical development in the coming days, ...

Two areas of thunderstorms off the western Mexican coast could eventually become tropical storms Barbara and Cosme.

Laboratoire de Chimie de Coordination, Institut de Chimie, UMR 7177 CNRS, Université de Strasbourg, 4 rue Blaise Pascal, F-67070 Strasbourg Cedex, France, and IFP-Lyon, Rond Point de l’Echangeur de ...

Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. These metrics are regularly updated to ...

Republican Chairman Bill Rivenbark surprised both sides of the aisle by siding with two Democrats on a proposed budget. The ...