While the term "polar vortex" might seem like a new phenomenon, the phrase has only recently become popularized in weather forecasts, especially when it reaches into the southern plains states like ...

A polar vortex is currently hitting the United States, with schools closed in many areas and at least four deaths caused by ...

The polar vortex of ultra-cold air usually spins around ... Up to 5 inches is expected farther north near the Oklahoma state line, the weather service said. Mark Reid said Wednesday that he ...

The polar vortex of ultra-cold air usually spins around ... Up to 5 inches is expected farther north near the Oklahoma state line, the weather service said. Mark Reid said Wednesday that he ...

An 'Arctic outbreak' will send polar air streaming south, affecting up to 250 million people across 40 states.

These severe cold events occur when the polar jet stream – the familiar jet stream of winter that runs along the boundary ...

(AP) — The plunging polar vortex brought subfreezing temperatures Tuesday to some of the southernmost points of the U.S., threatening to dump snow on parts of Texas and Oklahoma in the coming ...

The polar vortex of ultra-cold air usually spins around ... Up to 5 inches is expected farther north near the Oklahoma state line, the weather service said. Mark Reid said Wednesday that he ...

especially when it reaches into the southern plains states like Oklahoma and Texas. Depending on the severity of the polar vortex's disruption, states that normally have mild winters can ...