b'\n_START_ARTICLE_\nPolaarp\xc3\xb6\xc3\xb6ris\n_START_PARAGRAPH_\nPolaarp\xc3\xb6\xc3\xb6ris on madalr\xc3\xb5hkkond pooluse \xc3\xbcmber, mis p\xc3\xb6\xc3\xb6rleb vastup\xc3\xa4eva._NEWLINE_Selle servas asub polaarfront, mis eraldab k\xc3\xbclma arktilist \xc3\xb5hku soojast parasv\xc3\xb6\xc3\xb6tme \xc3\xb5hust. Polaarfrondi \xc3\xbclapiiril asub jugavool \xe2\x80\x93 kitsa ribana \xc3\xa4\xc3\xa4rmiselt tugevalt puhuvad l\xc3\xa4\xc3\xa4netuuled. Polaarfrondi lainelist liikumist nimetatakse Rossby laineteks._NEWLINE_Polaarp\xc3\xb6\xc3\xb6ris v\xc3\xb5ib n\xc3\xb5rgenedes tugevalt sopistuda, viies k\xc3\xbclma arktilist \xc3\xb5hku kaugele l\xc3\xb5unasse, ja jaguneda Berliini fenomeni m\xc3\xb5jul.'