Polar Vortex Explained and How Long it will Last

*(Via NBC News) – Move over, haboob. See you next summer, heat dome. The weather phenomenon hogging all the attention now is “polar vortex.” Twenty-six states are under wind-chill warnings or watches, and the polar vortex is to blame, breaking loose from its North Pole confines and plunging the country in a deep, dangerous freeze. […] …read more