Polar Vortex Convention 2025. Below is the image of the polar vortex in the lower stratosphere at the 50mb pressure level (20km/12.5miles) 3 weeks ago. Polar vortex is proud to host some great game companies showcasing titles from their catalogs.

Convention policies & code of. The beginning of 2025 will be marked by the year’s first polar vortex, bringing snow, storms, and frigid temperatures that will impact the majority of the country and millions of americans.