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Snowstorm for Southwestern, South Central, the Extreme South and the GTA on Wednesday


Snowfall Forecast, for Southern Ontario. Issued: February 26th, 2019.

We are closely tracking an impactful snowstorm with the risk of 10-20cm of snow across portions of Southern Ontario, including the GTA, on Wednesday. Alongside this system, we are watching the risk of lake-enhanced snowfall totals across the Southern GTA into the Golden Horseshoe.

Blue or '1':

Areas in the blue or marked with a '1' can expect less than 5cm of snow. This includes much of the northern portions of Southern Ontario, the Far East, the Extreme South and portions of Northeastern Ontario. Areas in the Extreme South including Amherstburg, Leamington and Pelee Island can expect less than 5cm of snow. Areas north and east of a line from Morrisburg to Kemptville to Denbigh to Bancroft to Dorset to Rosseau to Manitoulin Island can expect less than 5cm of snow.


Green or '2':

Areas in the green or marked with a '2' can expect between 5 to 15cm of snow. In the Extreme South including the shores of Lake Huron such as Grand Bend, Goderich, Sarnia, St. Thomas, Chatham and Windsor, snowfall totals between 4 and 8cm are likely. In Eastern Ontario including Brockville, Kaladar, Apsley, Washago, Haliburton, and Perth can expect between 4 to 8cm of snow, local amounts towards 12cm. The remaining green or marked '2' areas can expect a widespread 5 to 10cm of snow. Areas around the yellow or marked '3' region such as Fort Erie, Dunnville, Woodstock, Arthur, Newmarket, Peterborough, Belleville as well as the Dundalk Highlands such as Orangeville or Shelburne extending towards Collingwood, locally higher totals towards 15cm are possible.


Yellow or '3':

Areas in the yellow or marked with a '3' can expect between 10 and 20cm of snow. This includes much of the GTA, the shores of Lake Ontario and Golden Horseshoe. Areas including Niagara Falls, Grimsby, Hamilton, Brantford, Kitchener, Brampton, Burlington, Oakville, Mississauga, Toronto, Vaughan, Cobourg, and Picton are included in this area. Areas between and including Toronto, Oakville, Hamilton and Grimsby including areas just inland off of Lake Ontario, locally higher totals towards 25cm are possible. In the past, events similar to this one have overachieved to snowfall totals between 20 and 30cm, therefore, in the 'Area of Interest' we are highlighting this risk. It's too low of a risk for the next level on the forecast map but is an area to watch.

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