All Regions Arctic Sea Ice Below Average in Winter 2023 The end-of-winter sea ice extent in March 2023 was the fifth lowest in the satellite record. Read More… About Author OTW Observer See author's posts Post navigation Previous Seaweed Twice as long as The United States!Next Fast Start to the Hurricane Season… Related Stories Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat All Regions Europe Overnight temperatures during London heatwave as Met Office forecasts record-breaking heat June 19, 2026 New Met Office London heatwave warning for hottest ever June day – Exact date it will end All Regions Europe New Met Office London heatwave warning for hottest ever June day – Exact date it will end June 19, 2026 Met Office London heatwave verdict for this weekend with warning over major difference to May All Regions Europe Met Office London heatwave verdict for this weekend with warning over major difference to May June 17, 2026