Wild Wyoming Cloud Wows Weatherwatchers May 20 2014 Storm chasers catches this incredible cloud on film! This was a supercell updraft thunder storm. Time-lapse video shows supercell thunderstorm take shape Extreme.
Mount Sinabung spews pyroclastic smoke as seen from Tigapancur village in Karo district on November 2013 in Medan, Sumatra, Indonesia. Up to residents have been evacuated from five villages in North Sumatra due to the volcanic eruptions of Mount Sinabung.