Inhabitants of Kazan saw over the city "a nuclear mushroom"

In the evening on August 2 inhabitants of Kazan observed the unusual phenomenon. In the sky over the city there was big "a nuclear mushroom", transfers the <2> Tatarstan 24 edition. Social networks captivated a photo and video with a bright cloud. In spite of the fact that this show frightened many, to it there is a logical explanation — this usual cumulus cumulonimbus cloud which call "anvil". It takes such form when rests against a stratosphere at about 12 kilometers from the earth. The cloud cannot grow above therefore spreads, getting that form of an anvil. Recently "cloud tsunami" covered the Indian city Haridwār...