Published: Fri, July 06, 2018
Science | By Joan Schultz

Severe thunderstorm watch in effect


Environment Canada has issued a severe thunderstorm warning for Chatham-Kent.

According to Environment Canada, conditions are favourable for the development of risky thunderstorms that may be capable of producing torrential rain.

Environment Canada says the thunderstorm has a potential of becoming "dangerous".

Later this after, scattered thunderstorms are expected to develop across southern Ontario and "given the high heat and humidity a few of these thunderstorms could be intense resulting in localized torrential downpours". Localized wind gusts up to 90 km/h will also be a concern.

The public is also being warned that the intense downpours can cause flash flooding in low-lying areas near streams, creeks, and lakes.

"Lightning kills and injures Canadians every year", a weather statement reads. Oxford, Elgin, London-Middlesex and Windsor-Essex are under a severe thunderstorm watch.

The temperature should approach the all-time record for this date of 35 C (1999) before showers provide some relief.

A cold front sweeping across northeastern Ontario is expected to trigger some fast-moving thunderstorms.

Toronto could see anywhere from 25 to 50 milimetres of rain, according to the statement.

Friday's forecast is mainly sunny with a high of 24 C and a low of 16 C.

The temperature in Toronto sat at around 31 C as of 5:30 p.m., though it feels more like 39 with the humidex.

Heat alerts issued by both Environment Canada and the city remain in effect until further notice.

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