What is a Katabatic Wind?
Heavier gases sink, lighter gases rise. That is how a hot air balloon works: the warm air expands making it lighter than the surrounding air…
Heavier gases sink, lighter gases rise. That is how a hot air balloon works: the warm air expands making it lighter than the surrounding air…
My thanks to a helicopter pilot for this fascinating email and for permission to share it. And for adding the ‘ptarmigan altimeter’ to my collection!…