Weather Blog A Spectacle of Color off the Shetland Islands Phytoplankton imparted brilliant blues and greens to North Sea waters near the Scottish archipelago in June 2025. Read More… About Author OTW Observer See author's posts Post navigation Previous Nearly 600 heat-related deaths this week due to heatwave, London university predictNext London heatwave update as BBC Weather forecasts sudden temperature dip after 33C sunshine Related Stories Seeing Blue During Schirmacher’s Summer Melt Season Weather Blog Seeing Blue During Schirmacher’s Summer Melt Season March 30, 2026 NISAR’s View of Mount Rainier Weather Blog NISAR’s View of Mount Rainier March 27, 2026 NISAR Views Mount St. Helens Weather Blog NISAR Views Mount St. Helens March 27, 2026