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Stuck with a wet spring in Ontario and Quebec


More rain on the way
More rain on the way

Lisa Varano, staff writer

May 16, 2011 — The wet weather is back, and it's not going anywhere.

Thick fog in Mississauga on Saturday
Thick fog in Mississauga on Saturday

Looking at the forecast, people in Ontario and Quebec are seeing something familiar: Rain.

It's been a wet spring. “That has been the pattern and it's not going to break yet. The first part of the week will be wet,” says Greg Stephens, a meteorologist at The Weather Network.

Southern Ontario, eastern Ontario and southern Quebec saw over 35 mm of rain over the weekend, and could get another 10 to 20 mm of rain through Tuesday.

“We've been trapped under an upper trough. It has been holding over the region this spring. That's why we've been cloudy, and rainy, and cooler than usual,” says Stephens.

Low pressure systems have been bringing moist air from the Gulf of Mexico to Canada, Stephens adds.

The wet forecast is a concern south of Montreal, where people are worried about the risk of more flooding in the Richelieu Valley. Several communities along the Richelieu River had been forced to leave their homes due to floodwaters in recent weeks.

Water levels had been dropping after a stretch of sunny and mild weather, but began to rise slightly after a weekend of heavy rain. Officials say no significant flooding is likely.

Rain over the weekend
Rain over the weekend

Southern Ontario also enjoyed a break from the rain, but it was brief. Winds from the south boosted temperatures on Friday ahead of a cold front, which triggered thunderstorms and dropped temperatures. Southwestern Ontario was again at risk of thunderstorms on Saturday as warm and cold air masses clashed.

With moist air, and dewpoints and temperatures around the same, there was a risk of patchy fog from Windsor to Kingston. Flight delays were reported Saturday at the airport on Toronto Island.

Wind and rain made for unpleasant conditions for more than 10,000 runners during the GoodLife Fitness Toronto Marathon on Sunday.

With files from Andrea Stockton

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