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 Arctic Sea Ice Ties for 10th-Lowest on Record Weather Blog Arctic Sea Ice Ties for 10th-Lowest on Record September 19, 2025 Cooper Creek Replenishes Lake Eyre Weather Blog Cooper Creek Replenishes Lake Eyre September 17, 2025 Australia’s Howick River Weather Blog Australia’s Howick River September 17, 2025
