Current Polar Vortex 2025 Map. The polar vortex strength, as measured by the speed of the winds around the 60n latitude circle and 10 hpa pressure level, remains stronger than average, and is currently. In the coming weeks, ushering in an abnormally cold start to 2025.
Multiple rounds of frigid, arctic air could sweep across the eastern half of u.s. Forecasts suggest it will bring cold air to much of the u.s.