Weather: Environment Canada issues ‘thunderstorm watch’ for the capital

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Environment Canada has issued a severe thunderstorm watch for a large portion of Eastern Ontario and Western Quebec.

“Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts and heavy rain,” the agency said in a release.

Any such storm could result in heavy rainfall totalling 40 to 70 mm, and with wind gusting up to 90 km/h.

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“Scattered thunderstorms are expected to develop early this afternoon and continue into early this evening,” the release said.

The storms could occur as far away as Cornwall and Kemptville.

“Strong wind gusts can toss loose objects, damage weak buildings, break branches off trees and overturn large vehicles. Heavy downpours can cause flash floods and water pooling on roads.”

Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches, Environment Canada said.

Earlier, the agency’s forecast for Thursday was for clouds with a 60 per cent chance of showers. The total local precipitation was forecast at 20-30 mm.

The temperature is expected to hit a high of 25 C, with the Humidex “feels like” rating of 31.

Rain
Walking in the rain in the Byward Market. Photo by Tony Caldwell /Postmedia

The inclement weather prompted Veterans Affairs to move D-Day memorial ceremonies Thursday from the War Memorial to the Cartier Drill Hall.

A planned flyby of two CF-18 Hornet aircraft was also called off due to the inclement weather.

Fog patches are also expected overnight and the low should hit 15 C.

Friday’s looking mainly cloudy with 60 per cent chance of showers and a risk of a thunderstorm in the afternoon.

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Winds are expected to hit 20 km/h, gusting to 40 late in the morning.

The high is expected to hit 20 C, with moderate UV index levels of 5.

The forecast is for a 30 per cent chance of showers later in the day, with a low of 20 C.

The weekend forecast is not looking positive with a 60 per cent chance of showers Saturday and a high of 17 C.

There’s a 30-per-cent chance of showers Saturday night, and the low should be around 12 C.

More clouds are in the outlook for Sunday, with 40 per cent chance of showers. The high should be 18 C.

A 40-per-cent chance of showers is expected and the high should be 18 C.

The low is expected to be 13 C.

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