old.Tohtori
FH is my second home
- Joined
- Jan 23, 2004
- Messages
- 45,210
Punch holes
"Recently meteorologists have penetrated the mystery: punch holes form when airplanes fly through thin layers of high altitude clouds. If water droplets in the cloud are supercooled (below freezing but still liquid), they can suddenly turn to snow when shocked by the passage of the plane. This mini-snowstorm occurs over a circular area much wider than the airplane itself."
"Recently meteorologists have penetrated the mystery: punch holes form when airplanes fly through thin layers of high altitude clouds. If water droplets in the cloud are supercooled (below freezing but still liquid), they can suddenly turn to snow when shocked by the passage of the plane. This mini-snowstorm occurs over a circular area much wider than the airplane itself."