Polar Vortex Forecast 2025 24 Hour Weather. The weakest polar vortex years (dark green dots) occur in easterly qbo winters. It sounds backward, but it turns out it's after the polar vortex weakens, stretches or splits that winter weather over europe and north america could become more cold and snowy.
The jet stream is a fast moving ribbon of air around 5 to 7 miles (8 to 11km) above the. The latest forecast says a major disruption of the polar vortex is on its way, but the stratosphere has been acting up for a while.
