We, who are in the orchard business, have been using this phenomenon for over 40 years.
We have large wind machines powered by 454 Chevies or 460 Fords to power the wind machines.
We have known about the warm inversion layer of air that lays over the colder air at night for that long. The wind machines break through the inversion and bring the warmer air down to the cold surface air and mix it. This can raise the surface air temp. 1 to 5 or more degrees.
Many nights that is enough to keep the fruit buds from freezing.
Even on the coldest night in the dead of winter there is a warmer layer of air, most nights above the inversion. When trying to save peach, nectarine or apricot buds, that may be helpful in saving the crop.
For what it is worth.
Pleased to meet ya.
Do you still light smudge pots, too?