Down slope on the face of mountain ranges they are not uncommon. Away from mountains they are fairly rare. I was in one on a winter night where it rose from 25 to 65. You could hear pavement cracking.
We had frost in Michigan’s Upper Peninsula a couple nights ago. Inland, low-lying area. No wind. dropped to about 30 and frosted briefly. Frost in Late July. Weather is interesting.
So, in other words, a “heat burst” is actually an ordinary chinook?
We used to call those cold fronts and warm fronts. Hard becoming a dinosaur
A Foehn Wind.