Weather Blog Antarctic Iceberg Downsizes Iceberg A-23A continued to lose sizable pieces of ice during the 2025 austral winter, but it remained the planet’s largest freely floating berg. Read More… About Author OTW Observer See author's posts Post navigation Previous When heavy rain and thunderstorms in London will end before a week of beaming sunshineNext Storm Floris weather warning – Met Office verdict on chances of it hitting London Related Stories Tropical Storm Arthur Weather Blog Tropical Storm Arthur June 19, 2026 Desert Field Test With NASA Advanced Rover Prototype Weather Blog Desert Field Test With NASA Advanced Rover Prototype June 18, 2026 El Niño Is Underway Weather Blog El Niño Is Underway June 18, 2026