Will Polar Vortex Winds Decrease In 2025 Predictions. Below is the image of the polar vortex in the lower stratosphere at the 50mb pressure level (20km/12.5miles) 3 weeks ago. How will the polar vortex movement intensify the january cooldown over the united states?
It is present in winter, and is not a new phenomenon, scientists have known. A weaker polar vortex usually means a weaker jet stream, which increases the chance of a more dynamic.