ONTARIO: Thunderstorm Forecast for Tuesday, June 13, 2023
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FORECAST DISCUSSION
The potential for non-severe thunderstorms will carry over from Monday evening into the early hours of Tuesday across Eastern and Central Ontario. Isolated storms are also possible in Deep Southwestern Ontario as we head into the late afternoon and evening hours.
Based on the latest data, the environment is favourable for a few of these storms to reach severe levels with sizable hail and strong wind gusts. There is also the potential for funnel clouds which in rare cases, can touch down and become a landspout tornado.
Landspout: A landspout is a type of tornado that forms under a weak thunderstorm. Unlike traditional tornadoes, which develop from supercell thunderstorms and are associated with a rotating updraft called a mesocyclone, landspouts form from non-supercell storms and do not have a mesocyclone. These tornadoes are generally weaker and shorter-lived than their supercell counterparts but can still pose a threat to property and life, with wind speeds occasionally reaching up to 160 km/h.
