Clouds and radiation Home > About Antarctica > Ice and atmosphere > Atmosphere > Clouds and radiation More information Noctilucent clouds Noctilucent or ‘night shining’ clouds are a summer, polar phenomena. Polar stratospheric clouds Polar stratospheric clouds play a central role in the formation of the ozone hole in the Antarctic and Arctic. Ozone The ozone layer is vital to life on earth. Learn about what ozone is, the ozone hole, and how ozone effects the… Next pageWinds, waves and temperatures This content was last updated 4 years ago on 3 November 2020.