Polar Vortex Forecast 2025 Predictions. The stable phase traps cold air close to the north pole. Below is the polar vortex forecast image in the lower stratosphere at the 50mb pressure level (20km/12.5miles) in early january.

How will the polar vortex movement intensify the january cooldown over the united states? Below is the polar vortex forecast image in the lower stratosphere at the 50mb pressure level (20km/12.5miles) in early january.