Environment Canada has ended its a severe thunderstorm warning for London, Ont., Parkhill and eastern Middlesex County but a special weather statement remains in effect.
On Wednesday afternoon, the national weather agency said it was tracking a line of a severe thunderstorms stretching from Wellburn to Mount Carmel capable of producing heavy rain.
Rainfall amounts of 50 to 75 mm and the heaviest thunderstorms in the system arrived around 6:30 p.m.
Environment Canada warned heavy downpours may lead to flash floods and water pooling on roads.
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Forecasters are calling for the showers and thunderstorms to end late Wednesday evening with sunny skies expected throughout Thursday.