I found out about them today and wow, amazing!!

Mammatus (also known as mammatocumulus, meaning "bumpy clouds") is a meteorological term applied to a cellular pattern of pouches hanging underneath the base of a cloud. The name "mammatus" is derived from the Latin mamma (breast), due to the resemblance between the shape of these clouds and human ( Read more... )

I was out this evening with my friend, on a coffee and little chat. While we were still in town, grey clouds covered sky - those rainy clouds. By the time we were on our ways home - she on the train, me heading towards the bus station, rain started. Lightning slowly ripped the sky and it was followed by a thunder.

Storm progressed very fast, and ( Read more... )