Polar Vortex 2025 Forecast Map. In its january to march 2025 outlook, the nws said polar vortex winds were expected to remain strong through january, meaning there was a low to medium (20 to 50. This contains the colder air into the arctic circle, creating milder conditions for.
In its january to march 2025 outlook, the nws said polar vortex winds were expected to remain strong through january, meaning there was a low to medium (20 to 50. Below is the polar vortex forecast image in the lower stratosphere at the 50mb pressure level (20km/12.5miles) in early january.