What immediate phenomenon, following the initial blast, created intense thermal pulses globally?

Answer

Superheated ejecta raining down as it re-entered the atmosphere

The kinetic energy drove pulverized rock and vaporized material high into the atmosphere. As this material rained back down, its re-entry created an intense thermal pulse across the globe, igniting widespread wildfires.

What immediate phenomenon, following the initial blast, created intense thermal pulses globally?

#Videos

Could Humans Survive the Dinosaur-Killing Asteroid ... - YouTube

Meteorextinctionhumansurvivaldinosaur