By the time the ice accumulates enough to notice via thousands of year old proxies, the civilization is already wiped out. First comes the weather change, then comes the collapse of civilization, followed years later by the ice accumulation. The weather changes are already beginning. The curved and collapsed jet stream. Bringing a blizzard to New Mexico right now.
we’re in
PHX, just finished being at an outside Mall, It’s CHILLY KOLD out.