Houston has been experiencing below-average temperatures as a polar vortex ushers in cooler conditions across the state.
A mass of air called the polar vortex has escaped the Arctic and plunged southward. Some scientists see the fingerprints of climate change.
"Polar vortex" sounds cool ... Unusual winter storms and frigid temperatures smacked a large region of the US from Texas to Florida. Snowfall and cold triggered flight cancellations and school ...
The unseasonable chill that has swept through the eastern half of the US defies last year's mild winters and the South's ...
A winter storm sweeping through the U.S. South on Tuesday was dumping snow at levels millions of residents haven't seen ...
A strong polar vortex in the stratosphere has brought subzero temperatures to the Midwest, Mid-Atlantic and deep into the ...
A rare winter storm is getting set to slam the Gulf Coast and South, with cities from Texas to Florida under Winter Storm Warnings.
People in Texas and much of the U.S. South are facing record snowfalls and icy conditions, with both New Orleans and Houston ...
Frigid temperatures engulfed the South on Monday ahead of a winter storm that’s expected to spread heavy snow and disruptive ...