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Pyroclastic Flow followed by series of Tornados, Sinabung Volcano

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Published on Feb 2, 2014

The pyroclastic flow deposits red-hot material on the slope of the volcano. After a few minutes, air heated by the deposit establishes a convective regime and due to the speed of the rising air a series of small tornados (also spelled tornadoes) are formed.
During daylight it is difficult to imaging how hot the deposit is. To see a pyroclastic flow deposit glowing at night from same location as present video one can view:
www.youtube.com/watch?v=LDJ4hmw9i6I

Note: Video is played at 2x normal speed as flow is actually not very fast and video would otherwise be too long for most viewers.

Copyright 2014, Photovolcanica. Please do not reupload this material on youtube or other platforms. Unauthorized copies will be removed.

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