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 ...

(WLUK) -- At every transitional season, the spring and the fall, powerful mid-latitude cyclones tend to sweep across the United States. And with the most powerful ones, you start hearing terms like ...

(Reuters) - A dangerous weather phenomenon called a bomb cyclone that occurs in mid-latitudes - between Earth's tropics and the polar regions - can bring strong and damaging winds, torrential rains, ...

One of the most powerful bomb cyclones to form in decades hit the U.S. West Coast this week, bringing hurricane-force winds, heavy precipitation and power outages to portions of northern California, ...