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Old 02-18-2014, 12:15 AM
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DarkSky DarkSky is offline
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Location: St. Catharines, ON [Niagara]
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Default Re: "Volcano Eruption Causes Tornadoes!"

Very cool. Dust devils actually. Caused by air rising off the heated ground. In the summer they're normally caused by hot air at ground level rising rapidly. The pyroclastic flow was what caused it in this case. Really neat though!

Large fires have been known to cause the same thing:
- DarkSky (St. Catharines, ON (Niagara) )

Last edited by DarkSky; 02-18-2014 at 12:18 AM.
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