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.

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Arnold and Mabel Beckman Laboratory of Chemical Synthesis, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125 Article Views are the ...

That’s why you need a plan early — because these storms move quickly," he added. NHC is changing how it tracks hurricanes. Here's what Texans should expect in 2025 When is hurricane season?

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Florida is No. 1. That's not good when it comes to hurricane season predictions. See forecast Why does NHC say 'tropical cyclone' on its maps instead of hurricane or tropical storm? Tropical ...