Environment Canada has issued rainfall warnings for the Greater Toronto Area and a large part of southern Ontario on Tuesday.
The warnings were issued at around 9:30 a.m. The weather agency said rainfall amounts of up to 75 millimetres are possible with rainfall rates of 40 mm an hour.
Environment Canada warned that heavy downpours can cause flash floods and water pooling on roads as well as localized flooding in low-lying areas.
The rainfall warnings extend from the London area, through Kitchener, and into Toronto. Durham Region is under a severe thunderstorm watch.
Images in Toronto show significant downpours with ponding and pooling on local roads. Sewers were also seen overflowing from the excess rain.
During an Ontario government transit-related announcement outside, the rain caused major pooling on top of the tent forcing staff to push the water off.
Global News meteorologist Anthony Farnell said there is a significant flood threat with the “thunderstorms training over the same area dropping 50 to 80 mm of rain on saturated soil.”
The Toronto and Region Conservation Authority (TRCA) has upgraded the flood watch for all rivers in the Greater Toronto Area because of the line of thunderstorms.
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