Check out these omnious mammatus clouds.
They swallowed up the sky over Colorado prior an intense hailtorm that covered the Denver Metro Area in hail.
A freakish hailstorm pounded enormous hail stones on the Denver Metro Area on May 8, 2017. Prior this powerful storm, the sky suddenly darkened and filled up with wild mammatus clouds.
Here some impressive pictures of this weird weather phenomenon:
Have you ever seen such omnious mammatus clouds?