Recent findings indicate that the Arctic's traditional role as a planetary cooling agent is faltering, with hotspots and ...

It's a good deal warmer early Thursday morning than it was the last couple mornings around Chicagoland, and temperatures will ...

As cold temperatures remain in Southeast Texas, the phrase "arctic ... cold air sinks, and the Earth's atmosphere is always trying to reach equilibrium, although it never does," Tingler told ...

But what does “normal” actually mean ... lake-effect snow The U.S. will continue to see cold air outbreaks in winter, but as the Arctic and the rest of the planet warm, the most frigid ...

The U.S. will continue to see cold air outbreaks in winter, but as the Arctic and the rest of the planet warm, the most frigid temperatures of the past will become less common. That warming trend ...

"This occurs fairly regularly during wintertime and is often associated with large outbreaks of Arctic air in the United States," NWS has said. Like the jet stream, the polar vortex spins around ...

Highs will be in the low 40s.Wednesday morning will be just as Tuesday minus the wind chill. Highs will get to the middle 40s.Thursday evening into Friday will turn cloudy and rainy. Wintry ...

A snow and ice storm across the middle of the country added to the winter chill. Forecasters ... U.S. will continue to see cold air outbreaks in winter, but as the Arctic and the rest of the ...

The U.S. will continue to see cold air outbreaks in winter, but as the Arctic and the rest of the planet warm, the most frigid temperatures of the past will become less common. That warming trend ...