[Raycpa]

It is interesting and the biblical flood story could be inferring a similar event.

[Othniel]

A big hailstorm could also account for the flash freezing of mammoths. A flood could, too. When the "fountains of the deep" opened up, and water shot a couple of dozen miles in the air, got supercooled, then fell back to earth, lowering the temperatures beyond the norm.