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Canada Ontario: Warm surge will chase away snow this weekend

10:40  07 december  2019
10:40  07 december  2019 Source:   theweathernetwork.com

‘Wintry mix’ expected to bring freezing rain and snow to Southern Ontario

  ‘Wintry mix’ expected to bring freezing rain and snow to Southern Ontario Environment Canada has issued a special weather statement for Sunday advising residents in Hamilton, Burlington, Niagara and the GTA of a "wintry mix."Environment Canada has issued a special weather statement for Sunday, advising residents in Hamilton, Burlington, Niagara and the GTA of a "wintry mix.

Lake-effect snow will follow parts of southern Ontario into the weekend , but it will have a hard time sticking around. If you're waiting for a window to finish your outdoor holiday decorating, it's coming up on Sunday, but it will be a short-lived shot of mild air. More on the weekend warm -up, plus a look at

Two more rounds of snow expected this weekend , starting Saturday morning. After a brief break Saturday, the second system moves in "Milder air from the southeast U.S. will surge north into our region during mid week with temperatures rising above freezing for a day or two for southern Ontario

Lake-effect snow will follow parts of southern Ontario into the weekend, but it will have a hard time sticking around. If you're waiting for a window to finish your outdoor holiday decorating, it's coming up on Sunday, but it will be a short-lived shot of mild air. More on the weekend warm-up, plus a look at how quickly things snap right back into winter, below.

WEATHER HIGHLIGHTS:

  • Bands of lake-effect snow southeast of Lake Huron and Georgian Bay linger into Saturday
  • Sunny and milder Sunday, making for the best chance to put up Christmas lights or decorations
  • Stay up-to-date on the ALERTS in your area

THROUGH SATURDAY MORNING -- LAKE-EFFECT SNOW SQUALLS LINGER

Gusty winds from the north-northwest will keep the lake-effect snow machine churning into Saturday for areas southeast of Lake Huron and Georgian Bay. Environment Canada has issued a snow squall watch for much of Huron and Bruce counties, as well as Barrie, Collingwood, Orilla, Midland and the surrounding area.

Hwy. 401 westbound closed near Kingston after 30-vehicle pileup

  Hwy. 401 westbound closed near Kingston after 30-vehicle pileup As many as 20 people have been injured in a Sunday afternoon crash on Highway 401 near Kingston, Ont., involving approximately 30 vehicles. The crash happened around 3 p.m., forcing Ontario Provincial Police to close the highway's westbound lanes from Joyceville Road to Highway 15. © (Frédéric Pepin/CBC) Ontario Provincial Police closed a westbound stretch of Highway 401 near Kingston, Ont., on Dec. 1, 2019, after a major pileup. OPP say it involved approximately 30 vehicles.

More on the warm -up to round out the weekend , plus a look at how quickly things snap right back into winter, below. Conditions improve with sunny and near seasonal weather by Saturday, but Sunday looks like the ideal travel or shopping day of the weekend as temperatures get a boost ahead of the

More snow is likely this weekend as a larger, more potent storm takes shape following the storm late this week . AccuWeather meteorologists still expect a surge of warm air during the storm along the Atlantic coast as a counterbalance to the cold plunge that will first unfold over the Midwest.

a close up of a map © Provided by The Weather Network

"Under the heaviest snow squalls, visibilities will be significantly reduced, and snowfall amounts of 10 to 15 cm will be possible," EC warns. "Visibility may be suddenly reduced at times in heavy snow.

SUNDAY -- THE BEST DAY FOR OUTDOOR DECORATING

Conditions improve with sunny and near seasonal weather by Saturday, but Sunday will be the weekend showstopper. Gusty winds from the southwest will give temperatures a boost ahead of the next incoming system, with afternoon highs edging toward double-digit territory.

a close up of a map © Provided by The Weather Network

"If you still plan to put up lights for Christmas, this is your day to do so," says Weather Network meteorologist Dr. Doug Gillham.

  Ontario: Warm surge will chase away snow this weekend © Provided by The Weather Network

LOOK AHEAD -- SNAP BACK TO WINTER NEXT WEEK

The milder air won't be with us for long, however, as another Colorado low looms for the start of next week. At this point, however, it looks like that system will bring mainly rain for southern Ontario, but its strong cold front will send temperatures tumbling by Tuesday. Heavy bands of lake-effect snow are once again expected in the snowbelt regions as we head into Wednesday.

FROM THE MET DESK

As for December overall, "changeable" will be the best way to describe the pattern shaping up in the coming weeks.

"But changeable patterns are often active patterns, and we expect that this December will have more winter storms than we saw last December," says Gillham.

Read more on the 'wild card' month of December, here

Messy weather expected as Environment Canada issues rainfall warning .
With the city expecting between 20 to 30 ml of rain on Saturday, the day might be best spent decorating for the holidays inside. With the temperature hovering near zero, some areas should expect freezing rain or freezing drizzle. Environment Canada has issued a rainfall advisory as localized flooding is possible.A storm has been working its way through New York state and moved into Quebec Saturday morning — with parts of Ottawa already seeing light drizzle.The rain will be heaviest this morning and has the chance to turn to snow at times this evening.

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