So what is a polar vortex collapse and why does it affect weather so dramatically? Advertisement Advertisement As the National Weather Service explains, the polar vortex is an area of low pressure ...

A polar vortex is a large area of low pressure and cold air that surrounds the Earth’s poles, according to the National Weather Service. Polar vortexes typically develop in September and ...

You know it's going to be cold when the National Weather Service hoists wind chill ... Credit: Mashable Along the East Coast, this visit by the polar vortex will be like a houseguest who comes ...

"The large polar vortex disruption from the second week of March is ... However, any accumulations would be minor. Specifically, the National Weather Service in Cleveland said a couple of inches of ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout the solar system, on every planet and moon that has enough of an ...

"The large polar vortex disruption from the second week ... Specifically, the National Weather Service in Cleveland said a couple of inches of snow are possible in northwest Pennsylvania, with ...

"The large polar vortex disruption from the second week of March is ... However, any accumulations would be minor. Specifically, the National Weather Service in Cleveland said a couple of inches of ...