ONTARIO: Thunderstorm Forecast for Tuesday, July 25, 2023

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FORECAST DISCUSSION

A few pop-up thunderstorms may develop along the Lake Ontario shoreline from Kingston and through the Golden Horseshoe on Tuesday afternoon. One or two of these storms have the potential to become marginally severe with nickel-sized hail, 90 km/h wind gusts and heavy rainfall as the main threats. The strongest severe risk is in the west end of the GTA through Hamilton and Niagara region.