When the edges of these clouds look especially crisp, it’s a sign that heavy rain or snow may be imminent. Wispy cirrus are ice clouds When cumulonimbus clouds grow high enough into the ...

How are clouds’ shapes made? A scientist explains the different cloud types and how they help forecast the weather. Just4Kids.

The video, shared in the r/weather subreddit, shows what appears to be a thick, lingering trail cutting across the clouds ... into what are essentially wispy cirrus clouds that remain for hours.