This triangle rain cloud from yesterday.

Image from i.redditmedia.com and submitted by camerondnls2
image showing This triangle rain cloud from yesterday.

shiftdnb on June 13rd, 2018 at 11:33 UTC »

There’s one guy underneath it and it’s following him everywhere

Beckels84 on June 13rd, 2018 at 11:51 UTC »

That's cloaking the alien mother ship.

EDIT_thanks4thegold on June 13rd, 2018 at 12:29 UTC »

Towering cumulus (TCu) a.k.a. cumulus congestus