- New Tecumsth-Essa-Innisfil
- southern Dufferin County-Orangeville-Grand Valley
Environment Canada meteorologists are tracking a severe thunderstorm that is possibly producing a tornado. Damaging winds, large hail and locally intense rainfall are also possible.
- Dufferin County-southern Grey County
- Toronto-Newmarket-Georgina-northern York Region
- New Tecumseth-Essa-Innisfil
- Dufferin County
Conditions are favourable this afternoon for the development of severe thunderstorms which may produce brief tornadoes.
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