[Real Cynic No More]

I am an engineer. You have done us a great service by posting this engineering analysis.

[imberedux]

Thank you. The rumors, disinformation and lies were begining to bug me.

[AGAviator]

Fires in high-rises often create a "blowtorch" effect, where they make a vacuum which sucks additional air in. If this happened because the fires started in confined spaces, this could have super-heated the combustion.