A polar vortex is bringing arctic air into the country next week. Forecast maps show when freezing temperatures will sweep ...
A polar vortex has triggered freeze warnings across Texas, leading to dangerous conditions for people and infrastructure.
A recent study explains how warmer temperatures at the top of the planet destabilize the jet stream and allow colder air to ...
An area stretching from Texas to Tennessee braced Wednesday for the possible arrival of freezing rain and snow even as some other parts of the U.S. hit by the plunging polar vortex this week ...
Large portions of Texas were under winter storm warnings or winter weather advisories issued by the National Weather Service (NWS) early Friday.