Weather Blog A Series of Rare Disturbances in the Stratosphere The polar vortex elongated and weakened over Antarctica, causing rare warming events. Read More… About Author See author's posts Post navigation Previous London weather forecast shows when hot summer weather will endNext BBC Weather and Met Office can’t agree on how grim London weather will be for rest of the week Related Stories Megaberg Ends Its Long Odyssey at Sea Weather Blog Megaberg Ends Its Long Odyssey at Sea April 13, 2026 Earthset From the Lunar Far Side Weather Blog Earthset From the Lunar Far Side April 10, 2026 Watching the Artemis II Mission Unfold at JPL’s Space Flight Operations Facility Weather Blog Watching the Artemis II Mission Unfold at JPL’s Space Flight Operations Facility April 9, 2026