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Snow squalls in southwest Ontario as weekend storm looms

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Digital writers
theweathernetwork.com

Friday, December 13, 2013, 10:59 AM -


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Snow is on the way this weekend for parts of southern Ontario that have yet to break out the shovels - up to 15 cm for parts of the southwest including, potentially, the Greater Toronto Area and areas near the National Capital Region.

Environment Canada issued winter storm warnings for the city of Hamilton and the Burlington-Oakville region Friday afternoon, with both areas on track for a potential 10-15 cm over the weekend, with locally higher amounts possible.

"The heaviest will be on the western shores of Lake Ontario, anywhere from Mississauga to Stoney Creek," Weather Network meteorologist Brian Dillon said.

On Friday, snow squall warnings were in effect for communities around Georgian Bay, the north shores of Lake Huron and Lake Simcoe, and the Peterborough area, with local amounts of 15 to 30 cm per 12 hours possible, while snow squall watches extended further south to a line from Huron County to the western GTA.

Those watches and warnings were dropped in the late morning, but still, some communities from Windsor to past the GTA saw a small amount of snow accumulate before end of the work day.

The weekend storm will move in Saturday morning with snow intensifying throughout the day, bringing 5-10 cm of snow across much of southern Ontario and Quebec, bringing what could be the first significant amounts to areas that had been spared the major lake-effect snowstorms of the past few weeks.

Even before winter storm warnings went up for Hamilton and the Burlington-Oakville areas, Environment Canada issued special weather statements for much of southern Ontario ahead of the system, from Windsor through to the Kingston area, although parts of eastern Ontario could see between 5 and 15 cm as well as the storm moves through those areas Saturday afternoon, on its way to Quebec.

The heaviest-hit areas in the southwest will likely be the Niagara peninsula, areas north of Lake Erie, and the western Golden Horseshoe, with 10-15 cm possible. 

Lake-effect enhancement will be possible for areas along the QEW from Mississauga through to Burlington, meaning those areas could also see up to 15 cm, while Eastern Ontario from Toronto past Kingston may see 5-10 cm, with potential variation in local amounts.

Ottawa is also on track for up to 10 cm, but areas south and west of the national capital.

Making life worse for drivers will be winds of 50-60 km/h on Saturday and Sunday, whipping up the snow to reduce visibility.


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People in Atlantic Canada will be bracing for the arrival of that system on Saturday night through Sunday.

The worst of the system will have tapered off for southern Ontario by Sunday morning, replaced by snow squalls. Those will develop Sunday night, continuing Monday with a northerly bent in Barrie, Collingwood, London and west.

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