Weather Blog Making Sense of Holes in the Clouds Scientists speculated about these holes for decades, but it’s now well understood that cavum clouds are caused by airplanes. Read More… About Author See author's posts Continue Reading Previous: Flood alerts issued across London as Met Office shares weather warningNext: Erupting Volcano causes Yellow Alert… Related Stories What Was Behind Idalia’s Rapid Intensification? Weather Blog What Was Behind Idalia’s Rapid Intensification? March 10, 2025 A Bejeweled Plateau Weather Blog A Bejeweled Plateau March 9, 2025 Alfred’s Strange and Destructive Journey Weather Blog Alfred’s Strange and Destructive Journey March 7, 2025