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 Post navigation Previous Flood alerts issued across London as Met Office shares weather warningNext Erupting Volcano causes Yellow Alert… Related Stories NASA’s Psyche Mission Captures Mars During Gravity Assist Approach Weather Blog NASA’s Psyche Mission Captures Mars During Gravity Assist Approach May 8, 2026 Tracy Arm’s Post-Tsunami Landscape Weather Blog Tracy Arm’s Post-Tsunami Landscape May 8, 2026 NASA Sends Mars Helicopter Blades Beyond Mach 1 Weather Blog NASA Sends Mars Helicopter Blades Beyond Mach 1 May 7, 2026
