The Rain Bomb : How a “microburst” fell from the sky in Australia. (Jim Festante, 2/28/15, Slate)
http://www.slate.com/articles/video/video/2015/02/rain_bomb_water_ball_microburst_explanation_in_australia_video.html
A daily photo of clouds (hopefully) from Hanover, NH #cloudspotting03755 From Orrin C. Judd, Cloud Appreciation Society member 28482