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 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