The new year ushered in an arctic blast that has only recently let up. This extreme plunge in temperature is referred to as a ...

The term “polar vortex” usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and keeps some of the ...

A Definition Heatwaves are a phenomenon that many have experienced, especially during the summer months. These events are ...

The polar vortex could be reversing in a sudden stratospheric warming event, with the potential to send Arctic air and storms ...

The lunar eclipse on Thursday will mark the Earth’s passing directly between the Sun and the Moon for the first time in three ...

Weather analysts are divided over the polar vortex’s influence on weather and what that means for the rest of this year’s winter. The polar vortex is an area of low pressure and cold air that ...

Because this is the Polar Vortex Blog, we would love to be able to tell you how the stratospheric polar vortex is doing super cool things that can explain how cold and snowy it’s been in many ...

A severe cold wave, driven by a polar vortex, has struck the central and northern U.S., leading to dangerous temperatures and significant snowfall. At least 13 people have died, with states like ...

A group of people walk toward the pedestrian tunnel that connects Hyde Park to Promontory Point as Presidents Day temperatures dropped and stayed cold across the Chicago area on Monday. Tyler ...

WASHINGTON (AP) — The polar vortex hit its peak across much of America on Wednesday, with an icy grip that made Arctic Greenland seem like a toasty vacation spot in comparison. Even Mars has ...

I'm Mimi Kiley reporting. The term "polar vortex" usually refers to the gigantic circular upper air weather pattern in the Arctic region. It is a normal pattern that is stronger in the winter and ...