"Oh, so that massive wave of dust must be quite commonplace to building collapse. Can you provide any images or footage of this pyroclastic flow from other collapsing buildings?"
Actually, since you're the one suggesting that a massive wave of dust is not common when a building collapses, the onus would be on you to prove it. Nevertheless, there is plenty of evidence that building collapses result in dust clouds.
A building on Reade Street between Church and Broadway streets collapsed this morning, ripping almost clear apart from the building next door. Following the collapse, the street and sidewalks, as well as all vehicles parked nearby, were covered in dust.
www.maacenter.org
There is no cause listed as of yet. Nobody knows what caused this because there was no evidence to conclude that it WAS NOT A DEMOLITION. Plus, it's such a small footprint - and that fine dust covers everything. If a molecular de-cohesion weapon were being used this might account for such fine particulates. Explosives qualify. I wonder what other similarities to 911 this particular collapse has to thermal imaging and HAARP activity days prior?
It appears to be a crapped-out old building, which doesn't surprise me that it could collapse, but I leave open the idea that it was deliberately demolished, particularly as there is no data to confirm or deny this instance.
A portion of Kenny's Tile building collapsed and injured three workers. The collapse dispersed thick dust and debris into the air.
www.justicenewsflash.com
Again, no conclusions since the forensics hasn't even been completed. Plus, this one has no images for comparison. "The collapse dispersed thick dust and debris into the air" tells us nothing about the actual area of effect. Sloppy, but I'll include this instance for comparison - there are a number of 2009 building collapses that never make the national news.. Interesting.
Witnesses said moments before a four-story Clinton Hill building collapsed in late June, the structure began to shake ominously, shedding bricks and sending up a plume of dust.
knowledgebase.findlaw.com
#14 | Posted by JOE at 2010-02-15 01:29 PM
Witnesses said moments before a four-story Clinton Hill building collapsed in late June, the structure began to shake ominously, shedding bricks and sending up a plume of dust.
One witness said the Myrtle Avenue building "just folded" moments after occupants fled onto the street. Four people were treated for minor injuries in the collapse that left more than a dozen people homeless.
The building next door sustained serious damage. A city councilmember at the scene told reporters that she expected the adjoining building would be condemned as a result of the damage to it.
This also doesn't really indicate pyroclastic flow, just dust, but the initial plume prior to collapse is interesting.
Otherwise, none of these really have the video to compare - so you need to try again. Look for existing building disasters and show me ANY evidence of flow from anything other than demolition. You won't find it, because this particular particle wave is initiated with explosives which pulverize key structural components. Squibs always show dust spitting through windows at high speed. Dust that was cement a moment prior. So find any evidence that indicates squibs are not required for pyroclastic flow, then we can compare them further.