Brett Anderson

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Eastern Storm Snowfall Projections

November 25, 2013; 2:05 PM ET

A significant winter storm will impact a large portion of eastern Canada later Tuesday and through Wednesday night.

The main storm will track up along the Delaware River between Pennsylvania and New Jersey early Wednesday then into extreme southeastern Quebec by Wednesday evening.

East of the storm track the precipitation will be mostly rain as strong southeast winds bring in milder air off the Atlantic Ocean.

In Montreal, Quebec, the storm will start out as snow Tuesday night then likely mix with or change to sleet, freezing rain or rain for a time Wednesday morning before going back to steady snow later Wednesday afternoon.

Obviously, a slight eastward jog of the track will mean mostly snow for Montreal, but a more west jog will lead to a quicker changeover.

Quebec City looks to be in a fairly similar situation to Montreal, though I think there will be slightly less snow as I think there will be less snow on the back end of the storm compared to Montreal.

Ottawa, Ontario, could get the brunt of the heavier snowfall with a favorable-looking track for a significant snowstorm. Ski country north of Montreal should also do quite well.

Keep in mind, the areas outlined in red will see a general 15-30 cm, but there will likely be localized amounts in excess of 35 cm.

I may end up being a little too low for the St. Catharines, Ontario, area as the snow may get enhanced a bit by Lake Ontario due to the developing north wind.

The Toronto to Hamilton corridor should get some snow, especially Tuesday night, which will make roads quite slick, but the worst of the storm should pass well to the east.

Behind the storm, there will be another round of lake-effect snow Wednesday into the first half of Thursday for a similar area that was just recently hit, but not as much due to a shorter duration.

Strong southeast winds and heavy rain will impact the Maritimes, especially Wednesday night with coastal gusts in excess of 80 kph.

The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or


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Brett Anderson
Brett Anderson covers both short-term and long-term weather and storm forecasts for Canada in this blog for