Polar Vortex Forecast 2025 24 Europe. In contrast, a weak/disrupted polar vortex creates a weak jet stream pattern. An active mjo over the indian ocean is likely to lead to some ‘minor displacement’ of the polar vortex and likely cross polar flow from siberia to n america.

When the polar vortex weakens, cold waves move towards europe and‌ north america, bringing extreme cold even to generally milder areas. All states of the polar vortex have a different impact on our.