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    Brett Anderson

    Severe Thunderstorm Risk Tuesday

    6/30/2014, 11:18:17 AM

    A potent cold front will clash with a very warm and increasingly humid air mass on Tuesday, leading to another outbreak of strong to severe thunderstorms over parts of Ontario and perhaps extreme southwestern Quebec.

    The image below shows where I expect the highest chance of severe weather Tuesday afternoon and evening and this does include the Greater Toronto area.


    590x393_06301900_sez


    In addition to the storms, it will be sweltering in southern Quebec tomorrow (Tuesday). The combination of actual high temperatures in the 32 degree range (90 F.) and high dewpoints will make it feel more like +38 or +39 C. (~102 F).

    A second front will likely bring another round of showers and storms to eastern Canada on Wednesday followed by a turn to much cooler weather for Thursday and Friday.

    South-central BC will also cook on Tuesday as an upper-level high strengthens to the south and forces the jet stream north. This will allow hot air to spread north into the region Tuesday and Wednesday. The core of the hot weather will shift to the east side of the divide in the western prairies for the second half of the week.


    590x393_06301916_nbv

    The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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    Brett Anderson

    Brett Anderson

    Brett Anderson covers both short-term and long-term weather and storm forecasts for Canada in this blog for AccuWeather.