Weather Blog A Cosmic Explosion Over Siberia On June 30, 1908, an incoming fireball exploded kilometers above Earth’s surface, scorching and toppling large numbers of trees. Read More… About Author OTW Observer See author's posts Post navigation Previous The day 35C ‘is possible’ in London as Met Office predict hottest day of year forecastNext London to be hotter than Ibiza today as temperatures set to reach 33C 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