The polar vortex is aways around - it just normally stays near the North Pole. But when it descends into our area, get ready for really cold weather.

This vortex consists of powerful westerly winds in the stratosphere, about 10 to 30 miles about the North Pole, ... the vortex may slow or “wobble”. In these events, the polar jet stream, ...

Definition: The polar vortex is a flow of wind aloft that is always present above the cold, North and South Pole areas. In the Northern Hemisphere this results in a counter-clockwise flow of air ...

Chain reaction could unleash cold polar vortex across United States through April Don't put away those coats just yet, weather forecasters tell North Americans By Brian Lada, Accuweather.com ...

When strong atmospheric waves in the troposphere, the layer in which we live, breach the stratosphere, the vortex may slow or “wobble.” In these events, the polar jet stream, which rests ...

CLEVELAND (WJW) — The effects of a Polar Vortex will pay a visit to NE Ohio later this weekend.. While it won’t bring record cold temps, it will bring our coldest air of the winter. Highs only ...

When the Polar Vortex is in a weakened state, a jet stream wobble sending polar air into the mid-latitudes becomes more likely. ... 101 5th Street North, Fargo, ND 58102 ...

As it weakens, it can wobble. When it wobbles, just like that top, it can slide off the pole... slide off the North Pole and it moves into the mid-latitudes, the Great Lakes region, the Upper Midwest.

They detected a slight deviation in polar motion occurring roughly every 8.5 years, indicating the potential presence of an "inner core wobble," similar to the wobble of a spinning top.