An arctic blast and a bomb cyclone could hit the Eastern U.S. simultaneously this weekend, causing another winter storm.

Deep penetration of cold temperatures and a coastal storm will bring bomb cyclone and polar vortex into your newsfeeds. Here's why.

Add Yahoo as a preferred source to see more of our stories on Google. A blizzard warning is in effect for Michigan’s Upper Peninsula as a bomb cyclone — a rapidly intensifying winter storm — crosses the Great Lakes region. The system is expected to ...

A weather system may drive bitter cold into Florida, with an expert saying some areas could run 20-25 degrees below normal.

Winter Storm Fern aftermath continues as the East Coast braces for a bomb cyclone and polar vortex, with heavy snow and Arctic air impacting the US.