Weather Blog Greenland’s Bejeweled Ice Sheet In early July 2025, around halfway through the island’s annual melting season, blue meltwater ponds dotted the western side of the massive ice sheet. Read More… About Author OTW Observer See author's posts Post navigation Previous 4-day heatwave health alert as temperatures in London soar to 32CNext Exactly when it will be hottest as third heatwave batters London 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