(AP) — The plunging polar vortex brought subfreezing temperatures ... the Gulf Coast and pushed the low temperature in El Paso, along Texas' border with Mexico, to 31 degrees (minus 0.5 Celsius ...

A developing winter storm is threatening to drop snow, sleet and freezing rain on parts of Texas, Oklahoma and Arkansas ...

The colder-than-normal temperatures in Houston are part of a larger pattern of Arctic air sweeping through Texas and much of ...

About a week after a polar vortex brought snow and freezing temperatures to Texas, another cold snap is expected in time for ...

DALLAS - Most of the nation is in good shape on Wednesday and will be warmer on Thursday. The arctic air is coming, but not ...

People living "basically anywhere from the Rockies eastward" will see extremely cold temperatures over the next several days, ...

One of the key players in these dramatic shifts is something called the polar vortex. The polar vortex is a massive area of cold air located high in the atmosphere, typically spinning over the ...

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 began ...

DALLAS (AP) — An area stretching from Texas to Tennessee braced Wednesday ... week prepared to go another round with the plunging polar vortex. Arkansas' capital, Little Rock, closed schools ...

Answers as to why these strange temperatures and weather events are prevalent may be found in the polar vortex. The polar vortex is a large area of low pressure and cold air surrounding both of ...

The polar vortex will soon elongate over North America ... below-freezing temperatures could reach the Gulf Coast including Houston, Texas, New Orleans, La., and parts of northern Florida.