Mammatus Clouds
Photo: Mark Gallagher Resembling something ou... ...ut of Independence Day, or the arrival of Cthulu, Mammatus Clouds are a meteorological phenomenon caused by... ...ths over the Midwest and eastern areas of the US, mammatus are nonetheless found elsewhere, as our chase acr...
https://www.neatorama.com/2009/09/14/mammatus-clouds-2/
