The polar vortex has been turning “in reverse” over the Arctic for several weeks: what effect on the weather?

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The polar vortex has been turning “in reverse” over the Arctic for several weeks: what effect on the weather?

At the beginning of March, the sudden warming of the climate caused a reversal of the direction of circulation of the polar vortex. This type of phenomenon can have an effect on weather conditions around the world. What is the consequence? ...