
What is the polar vortex and why is there talk of its weakening: what it means for winter in Italy
Atmospheric circulation. Credit: Severe Weather Europe With the recent drop in temperatures, even in Italy we have started talking about “polar vortex” and its weakening as possible cause of the harsh winter that awaits us. But what does all this mean? The polar vortex is a sort of permanent cyclone over the Earth’s polespowered by very low temperatures. When this ...








