it s crawling up the walls of the house. and roll in, it did. oh, my god, their door is in! darla johnson shot this video as it approached this row of townhouses. i got pretty scared this might not stop. high winds helped push massive ice floes off lake ma lox and into the homes of worried neighbors. everyone is calling it an ice tsunami, but it s not an ice tsunami. it s actually an ice shove. an ice shove is a surge of ice that s moved onshore, whether it be a lake body or an ocean body, on to a coastal shoreline, typically caused by wind conditions like it was in this case. the ice is semi melted. it starts pushing from the center out, as it builds it creates its own sail. the wind picks it up, and the momentum carries it ashore. minnesota was not the only area impacted. further north in canada in