雨氷
The Canadian Hurricane Centre issued its first preliminary statement for Hurricane Sandy on October 25 from Southern Ontario to the Canadian Maritimes, with the potential for heavy rain and strong winds. On October 29, Environment Canada issued severe wind warnings for the Great Lakes and St. Lawrence Valley corridor, from Southwestern Ontario as far as Quebec City. On October 30, Environment Canada issued storm surge warnings along the mouth of the St. Lawrence River. Rainfall warnings were issued for the Charlevoix region in Quebec, as well as for several counties in New Brunswick, and Nova Scotia, where about of rain was to be expected. Freezing rain warnings were issued for parts of Northern Ontario.