"This near infrared image from June 05, 2014, shows gravity waves above a powerful thunderstorm cell over western Kansas. The storm was about three hundred miles away from my observatory so the thunderstorm itself was below my horizon."
"There are many stills of this phenomenon but not many time-lapses that show their complex motions," he says. "I posted a movie extract of the storm on vimeo. Note also the sprites that pop up sporadically."
"The mesosphere is not well studied and it holds much Nature yet to be discovered," concludes Ashcraft. "To me it is a vast ecological zone full of beauty." http://spaceweather.com/