The FOX 5 Storm Chaser is out on the roads monitoring conditions. Dow plunges nearly 700 points in response to good economic news. We can explain. 14 Aldi Secrets You'll Wish You Knew Sooner Judge ...

Seasoned storm chaser and climate scientist Anton Seimon explains how tornadoes are formed. Plus, meteorologist Eric Holthaus discusses what's behind this year's deadly outbreak. WSJ's Christina ...