Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.
The polar vortex can be a powerful source of winter weather, but it's not the only cause of severe cold and snow in regions better known for warmth and sunshine. The Gulf Coast states are still ...
A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.
The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...
A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
Snow and ice will develop in Texas and Louisiana Monday night before ... Life-threatening' cold temperatures generated by a polar vortex will be fueling Winter Storm Enzo, bringing potentially ...