Polar Vortex Forecast Update Today 2025 Usa. The polar vortex and its dynamics are powering recent and upcoming cold events in the united states. Freezing weather is expected to hit the eastern us in the coming days as the polar vortex moves.
The weakest polar vortex years (dark green dots) occur in easterly qbo winters. ‘be prepared’ the fox forecast center said temperatures will plummet as much as 45 degrees below average in spots,.