Winter storm warning issued by Environment Canada


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Environment Canada upped the ante Sunday morning on the heavy weather expected to begin Sunday afternoon.

The agency has issued a full-blown winter storm warning.

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“Heavy snowfall and freezing rain expected (Sunday) into Monday morning,” the agency said in a bulletin Sunday morning.

“Snow mixed with freezing rain will begin late this morning or early this afternoon,” Environment Canada says.

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“Freezing rain will then transition over completely to snow this evening and become heavy at times. The snow will taper to flurries Monday morning.”

The city of Ottawa says it has been watching events closely.

Here is the city’s snowclearing schedule for regular storms.

However, the schedule could be cancelled if the city declares “a significant weather event.”

That declaration suspends regular maintenance standards “until the city formally declares the significant weather event has ended.”

Meanwhile, the city is urging residents to exercise caution over the weekend as roads and parking services supervisors monitor the transportation network, and says clearing all that snow may take a long time.

“Once accumulation starts, crews will be working on clearing and treating sidewalks, priority roads and our winter cycling network in accordance with the council-approved maintenance quality standards,” said Quentin Levesque, the city’s director of roads and parking services, in a statement.

“We are asking for patience as operations may take longer than normal as the snow is expected to be wet and heavy and crews adjust to the variable weather conditions.”

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City snow clearing schedules:

Snow clearing is done using a road-priority system, with high-use, emergency and transit routes cleared first:

Highway 174, the Transitway, major roads and arterials.
After the last snowflake has fallen, these routes may take 2 to 4 hours to complete.

2.5 centimetres accumulation:
Sidewalks in the downtown core and the winter cycling network
After the last snowflake has fallen, these routes may take up to 4 hours to complete

5 centimetres accumulation:
Secondary roads and minor collectors such as Wall Road, Dovercourt Avenue, Donald Street, Springbrook Drive, etc.
After the last snowflake has fallen, these routes may take up to 6 hours to complete

5 centimetres accumulation:
Residential sidewalks
After the last snowflake has fallen, these routes may take 12 to 16 hours to complete

7 or more centimetres of accumulation
Residential roads and lanes such as Billings Bridge, Waverley Street, Smith Road, etc.
After the last snowflake has fallen, these routes may take 10 to 16 hours to complete.

Snow
Steps in snow removal following a storm Photo by City of Ottawa

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