Weba large tree on leslie and dundas sts. Snapped a hydro pole and trapped a ups truck after a thunderstorm rolled through toronto wednesday afternoon. Webenvironment canada issued a severe thunderstorm warning for toronto, halton, hamilton, niagara and barrie tuesday evening as part of the weather system. Webwatch severe thunderstorm uprooted trees, damages nearby homes and power lines video online, on globalnews. ca Webextensive damage has been reported after a cluster of severe thunderstorms brought heavy winds and torrential rain to parts of the city’s west end on. Webpower has been mostly restored to thousands of residents who were left in the dark after a series of powerful thunderstorms swept through the city on wednesday. Webtrees and power lines were knocked down by ferocious winds in a system that first developed near sarnia, ont. , and then moved east to the ottawa area and.