Summary
An arctic blast is predicted to hit the northeastern part of the United States over the weekend, bringing very cold temperatures. The National Weather Service and meteorologists indicate that temperatures could fall below zero in several areas. These cold conditions are linked to multiple waves of arctic air moving south from Canada.
Key Facts
- A fresh arctic air blast is expected in the northeastern U.S. from December 12 to 14.
- Wind chills could drop below zero, especially during the night.
- High temperatures might reach only the single digits and teens, with lows near zero.
- States likely to experience below average temperatures include Maine, New York, and Pennsylvania, among others.
- The cold is related to multiple waves of arctic air associated with the polar vortex.
- The polar vortex is a pool of low pressure and cold air around the poles that can expand in winter, pushing cold air south.
- Forecasters note that a second wave of Arctic air is moving south through the Midwest and East.
- Another cold wave is expected to move south by December 13-14, affecting areas like New York City with below-freezing temperatures.
