引用自 maxrobux：

new ideas: shock wave comes back after destorying to mushroom cloud,Wilson cloud , and make forming clouds around mushroom cloud

What is a wilson cloud?

google it

Wilson Clouds, otherwise known as Ring Clouds, are clouds that form around the sides of an explosion, usually following the shockwave, pushing back clouds in the way. Here's an example.
https://youtu.be/DwRF5liTGB4?t=11
When the white clouds form around the explosion, those are wilson clouds.

Time Stamp: 11s

See how the area was filled with clouds but then the sky cleared?

Would have been great if they actually updated it