Tornado Alley (PROG)

[DesertDrifter]

Many think the Younger Dryas event was due to the rush of fresh water as ice dams let loose the water from the great lakes.and lake agazzi. Massive cold likely killed off the clovis people and many plants and animals.12,900 years ago
when the north Atlantic circulation was interrupted in the manner you described. A.most unwelcome consequence and feedback mechanism of climate change if correct.