Polar Vortex Forecast 2025 24 Forecast. 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. Strong, a canadian warming but most of all a stretched pv.

By understanding the potential impacts on regions like houghton and. A blast of arctic air from canada has brought the season’s coldest weather to most of the united states.