We name our servers after weather phenomena and one of our servers happens to be called "Supercell"
Here are some incredible photos of a real Supercell from this past week in Montana, USA.
http://www.dailymail.co.uk/sciencetech/article-1334672/Jaw-dropping-image-enormous-supercell-cloud-Glasgow-Montana.html
If this article gets pulled, I saved the photos and will repost later.