From what I understood on the morning news shows.

[Warpy]

17. When they said they weren't finding much,

I had a vague idea of what that fire had been like. Chances are good that many people won't be found

Conflagrations spread by high winds are different from ordinary fires. In a conflagration, the fire is spread by superheated wind, itself, no sparks or embers are needed. People caught in them go into thermal shock long before the fire reaches them.