What is "backdrafts"

Usage examples of "backdrafts".

All the rumors of wind, which had until then been anarchic, like all the backdrafts of London come together, like all the car alarms of London (the Blitz which each of us suffers alone)all the rumors of wind now gathered themselves, in riptide.

The mist was shredding, blown by the backdrafts of a swan's frantically beating wings, or by the massive displacement of air caused by huge horses dropping out of the sky with terrible riders on their backs.