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Tornadoes last night on the Prairies, and a chance of storms in many provinces.

Morning briefing: Four things about Sunday

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    Daniel Martins
    Digital Reporter

    Sunday, July 27, 2014, 8:10 AM -

    Many Canadian provinces will be seeing some kind of thunderstorms today, with the Prairies actually seeing tornadoes on Saturday!

    For Sunday, the biggest risks of severe weather will be in southern Ontario, with some also on the Prairies and in Atlantic Canada.

    Here's a roundup of what to expect for today.

    Atlantic Canada

    Showers slowly cleared out of Newfoundland Saturday morning, while the rest of the region saw calm weather, but on Saturday, parts of the Maritimes should a humid day, accompanied by thunderstorms.

    Aside from those storms and showers, most of the day is looking pleasant, with a mix of sun and cloud, but the coming week could look very different.

    "Several systems will develop early next week and will follow the jet stream northeast, possibly bringing significant amounts of rain to Atlantic Canada and Quebec."


    Ontario saw some showers and mild storms roll through the region Saturday, although serious severe weather did not seem to be in the cards.

    Early Sunday morning, non-severe thunderstorms moved through cottage country and north of the Greater Toronto Area. While not severe, frequent lightning and estimated rainfall of up to 30 mm per hour was recorded east of Barrie, according to radar estimates. Storms also extended east to Peterborough.

    "Sunday is a similar pattern, but the chance for more widespread severe is present, though only for extreme southern portions of southern Ontario," Weather Network meteorologist Tyler Hamilton said early morning.

    That's part of a large zone of potential severe weather identified by meteorologists in the midwestern and northeastern United States Sunday.

    Ontario is just on the edge of the zone, with the red areas in the map above carrying a two per cent tornado risk, while in the U.S., more than 50,000,000 people are at the five per cent tornado risk mark.

    Monday, meanwhile, is looking showery and unsettled during the first half of the day, with possible clearing in the evening for the G.T.A.

    BEAT THE TRAFFIC: How will your commute be affected? Rely on Beat the Traffic for real-time traffic updates that matter to you. Visit www.beatthetraffic.com and download the app on iTunes or Google Play and get there sooner!


    Soon after Environment Canada ended a cold core funnel advisory for parts of Manitoba, tornado warnings were issued for the Ritchot, De Salaberry and Hanover areas, later expanded to include MacDonald and Morris.

    Environment Canada says three possible tornadoes occurred, judging by debris fields and widespread reporting on social media.

    Southern Manitoba was forecast for possible thunderstorms on Saturday, but on Sunday, the risk is further west in Saskatchewan, Alberta and northern B.C.

    TUNE IN: Watch the Weather Network on TV for updates on these storms. If it's safe to do so, upload your pictures and videos here.

    British Columbia

    Cooler and slightly wetter weather was a boon for firefighters in British Columbia this past week, with many fire-related evacuation orders rescinded by Friday.

    But there are still tens of thousands of hectares burning, and although wildfire risk is much lower than it was last weekend, Hamilton says that's likely to change, thanks to a new weather pattern coming down.

    No precipitation is expected for Vancouver and much of the south coast for at least a week, but an omega block is likely to appear during the early part of the week, which will lead to a relatively stagnant pattern, potentially causing diminished air quality and rising forest fire danger.

    "Although recent rain has diminished the fire risk in the short term,it will be on the rise by early next week," Hamilton says.

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