Associated PressUS weather to go nuts with blizzard, polar vortex, heat dome, atmospheric river all at once Associated Press, March 13, 2026
News'Life-threatening cold' expected as polar vortex stretches across U.S. after deadly weekend flooding Associated Press, February 17, 2025
Associated PressPolar vortex keeps a huge swath of the US in its icy grip Associated Press, January 6, 2025
