Reader Michael sent me this gif from Colossal, showing a “roll cloud” that came over Chicago with the cold front last evening:
Roll clouds are also called “arcus clouds,” and Wikipedia tells how they form. It’s too complicated to summarize, so just click the link if you want to learn about them and their relatives the “shelf clouds.”
Since I always try to end the day with an animal, here’s a gif on the same page, showing a cool Kikkerland Design animal tool, with 7 functions, that you can buy for only $20:
Kikkerland has cool stuff. I just bought insect magnets from them.
Cool cloud gif!
Many years ago, I saw a low cloud like that come over the farm, much lower than the rest of the clouds and accompanied by wind. It was spooky.
super cool! That cloud looks like you could surf on it!
Yep- I thought it as a tsunami when half looking at the page opening