> In our RISKS-related archives is also a major six-week complete power-outage > disaster in Quebec in the winter of 1996-1997 when transmission towers froze > and collapsed from the weight of ice under the prolonged hard freeze, and the > outage lasted for months... (Surely, cold weather was not a surprise there.) Prolonged cold weather was not a surprise, but what they hadn't planned for was prolonged *freezing rain*. http://gizmodo.com/that-time-a-canadian-town-derailed-a-diesel-train-and-d-1846307148 [Similar comment from Neil Youngman. PGN]