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There's the potential for more severe thunderstorms in parts of southern Ontario Wednesday. Big pattern change expected on Thursday.

More severe thunderstorms in southern Ontario as Toronto attempts to dry out

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    Digital writers

    Thursday, July 11, 2013, 6:16 AM -

    The Toronto region was able to dodge another heavy rainfall after a special weather statement had warned of the possibility of ''torrential downpours and damaging winds'' Tuesday night.

    There is still however, the potential for some severe thunderstorms to develop in the city. 

    Storms moved into southern Ontario Wednesday afternoon, bringing large hail to Stratford and Zurich and heavy rain to St. Marys.

    Trees have been downed in London -- one of them landing on a house. No injuries have been reported.

    In Marden, north of Guelph, numerous hydro poles toppled over due to powerful wind gusts. 

    The greatest risk for storms stretches from Windsor to Ottawa with the most activity expected through the afternoon and evening hours. 

    Any storms that develop will have the potential for damaging winds and hail.  While the tornado threat is not high, an isolated tornado cannot be ruled out.

    "Locally heavy rain is possible, but given the forward moving speed of any storms that do develop, flash flooding is less likely," says Dayna Vettese, a meteorologist at The Weather Network.

    Wednesday's thunderstorm risk

    Wednesday's thunderstorm risk

    That's good news for the Toronto region, which continues to recover from flooding and massive power outages

    On Monday, 126 mm of rain was reported at Toronto's Pearson International Airport, beating the previous daily rainfall record of 121.4 mm set back in 1954, when Hurricane Hazel hit. 

    As of Wednesday morning, Toronto Hydro said about 5,000-10,000 customers remained without electricity in the city's west end, down from about 300,000 at the peak of the blackouts.

    The utility says rotating outages may still be needed Wednesday to prevent overloading.

    Torontonians are being asked to reduce energy consumption by turning off unnecessary lights, refraining from using washing machines, dryers etc.

    Toronto’s five westernmost subway stations (from Jane to Kipling) also remain closed due to flooding and shuttle buses were being used to transport commuters. 

    Thursday and beyond 

    A cold front pushing through the region Wednesday night will help to clear the area with a freshening breeze from the northwest.

    "A significant pattern change will occur as the region dries out from a wet start to summer," says Vettese. "Initially dry and fresh conditions will give way to a return to heat over the weekend and into next week with increasing humidity. However, conditions are likely to remain mainly dry for an extended period into the start of next week."

    THUNDERSTORM RISK CONTINUES: Tune into The Weather Network on TV as we continue to bring you the latest updates on the flood situation and potential for more storms.

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