A cursory glance at the weather channel this year, however short it's been, might have you wondering if Mother Nature's a little angry with us. 2018 is kicking off with polar vortex returns, winter storm warnings, and bomb cyclones. That's enough war zone lingo to have us asking whether the White Walkers are about to reign winter hell on us. So if you're bundled up inside today, or preparing for the anticipated weeks of freezing weather to come, we thought it'd be best to start you on the right foot.