Summary
A polar vortex is causing very cold air and potential heavy snow across central and eastern parts of the United States. This weather pattern will persist through mid-December, producing dangerous travel conditions and increased energy demands.
Key Facts
- A polar vortex is bringing Arctic air to the central and eastern U.S.
- The Midwest is already experiencing subzero temperatures.
- There will be three waves of cold air, expected to last until mid-December.
- The cold weather may cause hazardous travel and increased heating needs.
- The polar vortex is a pattern of cold air that usually stays near the poles.
- This unstable polar vortex allows cold air to move southward.
- AccuWeather predicts continued cold temperatures and potential snowfall.
- The cold will affect areas as far south as the central Plains and Southeast.
