[Mike Darancette]

...confirmed that the event occurred 14,650-14,310 years ago at the same time as a period of rapid climate change known as the Bølling warming...

This was followed by the Younger-Dryas (12,800 - 11,500 ya) which was the coldest time of the last 20,000 years. The Diagram shows the spike at ~15,000ya. The world was usually a pretty cold place before ~12kya.

[SunkenCiv]

Thanks MD.