Catalan Vòrtex polar Cited by user Jaumellecha on 12 Aug 2023 Un vòrtex circumpolar, o simplement vòrtex polar, és una gran regió d'aire fred i rotatiu que envolta les dues regions polars de la Terra.
English Polar vortex Cited by user Dawnseeker2000 on 25 Dec 2018 A polar vortex is an upper level low-pressure area lying near the Earth's poles. There are two polar vortices in the Earth's atmosphere, overlying the North and South…