What are roll clouds? And what they tell us about the atmosphere
The difference between the two is a shelf a cloud does not include the rolling motion. Roll clouds are detached from the ...
来自MSN6 个月
How to identify a shelf cloud. They aren't as dangerous as you might think
As Des Moines was hit with strong thunderstorms Tuesday, pictures of a "shelf cloud" start circulating social media. The images displayed what looked like low hanging clouds under more cloud ...