Add Yahoo as a preferred source to see more of our stories on Google. The powerful mid-latitude cyclone spinning off the West Coast of the U.S. on Nov. 19, 2024. A formidable bomb cyclone is churning ...

A formidable bomb cyclone is churning off the Western U.S. The comma-shaped storm is a suped-up mid-latitude cyclone, which is quite different than the tropical cyclones (like hurricanes) that form ...