Polar Vortex 2025 Map Europe. How cold blasts are paradoxically caused by global warming, as freezing polar vortex sweeps u.s. A strong/stable polar vortex usually means strong polar circulation and jet stream.
A weaker polar vortex usually means a weaker jet stream, which increases the chance of a more dynamic. The polar vortex forming for the winter 2024/2025 presents characteristics that could lead to extreme weather conditions, with a high risk of cold waves coming from siberia.