Weather Blog Cloud Streets Over the Laptev Sea The striking cloud formation developed over Arctic waters north of Siberia in July 2025 as frigid air met warmer open water. Read More… About Author OTW Observer See author's posts Post navigation Previous Met Office issues yellow thunderstorm warning for London this weekendNext Cloud Streets Over the Laptev Sea 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