Storm chaser Alex Schueth manages to capture a timelapse of Asperatus clouds rolling through the sky like ocean waves in Lincoln, Nebraska. This ominous-looking cloud type is so rare that it didn't even have an official classification until
Sprites in Oklahoma. Sprites are electrical discharges that come out of the top of thunderclouds, opposite ordinary lightning bolts which plunge toward Earth. Sprites can tower as high as 90 km above ground.
March 2013 - This cloud appeared over Royal Palm Beach, Florida moments after the announcement of the new Pope Francis of the Catholic Church. (We've also seen at least 2 horrific clouds coming out of the destruction on Clouds are all over.