Typically, a warm air mass will travel northward along the Mississippi Valley and overrun a shallow layer of cold air trapped at the surface. : 16įreezing rain is common in the eastern half of Canada and New England, generally occurring at the narrow boundary between cold air from the east and north and moist air from the south. The ice storm led to the largest deployment of Canadian military personnel since the Korean War, with over 16,000 Canadian Forces personnel deployed, 12,000 in Quebec and 4,000 in Ontario at the height of the crisis. It led to 34 fatalities, a shutdown of activities in large cities like Montreal and Ottawa, and an unprecedented effort in reconstruction of the power grid. Millions were left in the dark for periods varying from days to several weeks, and in some instances, months. It caused massive damage to trees and electrical infrastructure all over the area, leading to widespread long-term power outages. The North American Ice Storm of 1998 (also known as Great Ice Storm of 1998) was a massive combination of five smaller successive ice storms in January 1998 that struck a relatively narrow swath of land from eastern Ontario to southern Quebec, New Brunswick and Nova Scotia in Canada, and bordering areas from northern New York to central Maine in the United States. (lesser effects in Central New York, western Ontario, and southern New England rain/flooding in the northern Appalachian Mountains)
United States: 16 (plus 12 in floods in Southern States with same system) Around 5 inches (130 mm) ( freezing rain)
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