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Published on Jan 7, 2011
This video is from a mountain valley near the town of Barreal, Argentina in the San Juan Province. The evevation at this site is around 6,000 ft with mountain peaks of 14-18,000 ft surrounding the valley.
I am interested to hear opinions about the classification of the vorticies in the clip.
Glossary of Meteorology:
Dust Devil—A well-developed dust whirl; a small but vigorous whirlwind, usually of short duration, rendered visible by dust, sand, and debris picked up from the ground.
Tornado -- 1. A violently rotating column of air, in contact with the ground, either pendant from a cumuliform cloud or underneath a cumuliform cloud, and often (but not always) visible as a funnel cloud.
So what do you think? Dust devil? Landspout (Non-mesocyclone tornado)?