During the unusually cold winter of 2014, the term "polar vortex" got quite a workout, causing many to wonder if it was a new weather phenomenon. Actually, the polar vortex is always with us – just usually with a lower profile. But will that change?
Without question, nature can produce beautiful light shows. Add wind, rain and hail, and you have an awe-inspiring event. But thunderstorms are not to be taken lightly. Here's how to stay safe as Mother Nature displays her strength.