While glacial lake outburst floods can be catastrophic in populated ... At the end of the last Ice Age, Lake Missoula had an outburst that was 2,500 times larger than the recent Catalina event.

If a sudden break in the ice jam occurs, the flooding can quickly transition ... Here is another history lesson about Montana ice jams: Glacial Lake Missoula was essentially formed by a massive ...

When mountain permafrost thaws and glaciers melt, glacial lakes can become lethal flood risks for anyone downstream.