SUN DOG POLAR VORTEX Blizzard Brutal Cold Minnesota Whiteout Conditions Unusual Weather

Polar vortex: extremely cold weather hitting New England and most of US this week - TomoNews

WATCH: What extreme winter weather from the polar vortex looks like around the world

Who Let The 'Sun Dogs' Out? Polar Vortex Brings Unique Atmospheric Phenomenon To Midwest

Polar Vortex Brings Life-Threatening Low Temps to Midwest and Northeast

Historic freeze Brutal Cold Midwest Whiteout Conditions Minnesota Plus Extreme Cold

Polar vortex packs a mean punch across Midwest, Northeast

Polar Vortex: Arctic blast to spread through midwest to deep south

Deadly polar vortex brings temperatures as low as -29C to US Midwest

Dominating the Polar Vortex! Blizzards of new

Minnesota teacher does fun science experiment with water and the polar vortex

UK Weather: What is a polar vortex?

'Polar Vortex' Will Make Chicago Colder Than Antarctica