Tropical Storm Priscilla forms in the Pacific Ocean off the coast of Mexico.

A record-breaking and astonishingly expansive marine heat wave is underway in the Pacific Ocean, stretching from the water ...

A marine heat wave spanning much of the North Pacific Ocean is already influencing weather in North America and is poised to make its mark on winter. But forecasters have another global weather ...

Someone always portrays it just to the water temperatures in the equatorial Pacific. And a lot of it is more than that.” ...