Updated: Severe thunderstorm watch is now updated to a warning

Updated Aug. 27 at 1 p.m.

As of 12:30 p.m., Environment Canada upgraded their alert to a severe thunderstorm warning.

Severe thunderstorm warnings are issued when imminent or occurring thunderstorms are likely to produce or are producing one or more of the following: large hail, damaging winds, torrential rainfall.

Original story:

Greater Sudbury and vicinity is under a severe thunderstorm watch as well as a rainfall warning issued earlier on Tuesday.

Environment Canada said as of around 11 a.m. that conditions are favourable for the development of dangerous thunderstorms..

Thunderstorms are expected to develop today and track east. These thunderstorms may be accompanied by wind gusts of 100 km/h and nickel sized hail. There is also a risk of tornadoes. Heavy rain is also expected with these thunderstorms. Please refer to the Rainfall Warnings and Special Weather Statements in effect for details about rainfall. 

Large hail can damage property and cause injury. Very strong wind gusts can damage buildings, down trees and blow large vehicles off the road. Remember, severe thunderstorms can produce tornadoes. Water-related activities may be unsafe due to violent and sudden gusts of wind over bodies of water. Lightning kills and injures Canadians every year.

Severe thunderstorm watches are issued when atmospheric conditions are favourable for the development of thunderstorms that could produce one or more of the following: large hail, damaging winds, torrential rainfall.