Severe Storms and Tornado Threat Loom Over Central and Eastern U.S.Severe weather outbreak forecast across the central and eastern U.S. this weekend, with thunderstorms, hail, and potential tornadoes expected.
It's freezing. How global warming could be causing polar vortex disruptionsEscaping Arctic air is causing prolonged cold weather outbreaks in the U.S., linked paradoxically to climate warming.