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Bursts of snow disrupt travel in southern Ont. until Friday

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Ontario remains in the pathway of two big developing storms for the Atlantic provinces  as a slow moving Colorado Low continues to bring unsettled conditions and snow flurries to the region through Friday.

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"We have the Fujiwhara Effect with two storm cores dancing around each other," says Weather Network meteorologist Erin Wenckstern. "That's interesting for southern Ontario because the storm off the East Coast finds itself retrograding back into the area for the end of the week making for a bit of a forecaster's nightmare."

These "dancing features" will lead to periodic bursts of snow over southern Ontario with travel interruptions possible through Friday. 

Impact on the roads

Although highly significant snowfall accumulations aren't expected, heavy bursts of snow could impact road conditions and commute times. 

That was the case in southwestern Ontario Wednesday morning as a band of heavy snow and poor visibility prompted a winter weather travel advisory for the region. 

London area police have been urging drivers to slow down as roads quickly became snow covered and slushy early Wednesday. Oxford County reported several collisions including one multi-vehicle crash due to the poor driving conditions.

"It's snowing and nobody is slowing and it's a little frustrating," tweeted Sergeant Dave Rektor with OPP West early Wednesday. "We need people to slow down and drive according to the roads and weather conditions...Folks, it's still winter, so keep that in mind." 



Nuisance snow in the GTA through Friday

Snow accumulations across the Greater Toronto area will likely be in the nuisance range of 0-3 cm, primarily on elevated or grassy surfaces. 

"Amounts in the higher end of this range (around 3cm) will be most common for the higher terrain above the escarpment, where temperatures will be just a bit cooler," says Weather Network meteorologist Michael Carter. 

Snowfall amounts could increase for areas along the Huron shores with some lake enhancement possible Thursday. 

In parts of eastern Ontario, there's the chance 5-10+ cm of snow through Friday as the Colorado Low meanders over the Great Lakes before it slowly gives up its energy to a nor'easter along the Atlantic coast.

Despite this multi-day threat for wet snow, an overall lack of Arctic air means that temperatures will remain near seasonal for the rest of the week as temperatures stay in the +2oC to +3oC range.

Travel outlook for the start of March Break (Florida vacationers beware)

As many Ontarians gear up for the start of March Break this weekend, Mother Nature looks to cooperate...here at home that is. 

"Drier weather is expected for the start of March Break, so no major weather related travel issues Friday afternoon through the weekend across southern Ontario," Carter says.

That's good news for those with air travel plans as Toronto's Pearson Airport typically sees over 100,000 travelers pass through on the first Friday and Saturday of March Break. A typical day at Toronto Pearson sees about 87,000 passengers travelling through the airport. 

For those planning to head south however, keep an eye high surf due to the nor'easters spinning off shore. Weather Network meteorologist Jaclyn Whittal explains below. 

March, you're moody: Rollercoaster ride continues

As temperatures are set to remain seasonal this week, signs point to a significant warm-up around the mid-month mark. 

"However, this warm-up may be rather short-lived as there are indications that late March will bring a return to seasonal or possibly below seasonal temperatures," says Carter.  "This March looks to fit that temperamental reputation with typical back and forth swings in temperature that should come close to offsetting each other."

The final numbers for March temperatures as a whole will likely be near to just above normal, Carter adds. 

Check for up-to-date detailed analysis on the weather in the Golden Horseshoe, here



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