***THIS STORM WATCH IS NOW ARCHIVED.***
LAST UPDATE: 12:40 PM, Wednesday July 20 2022
NEXT UPDATE: 2:00 PM, Wednesday July 20 2022
Discussion
Severe thunderstorms are expected across Southern Ontario tomorrow. It is expected that the thunderstorms will develop late in the afternoon through the evening hours. This is a potentially dangerous situation. Stay tuned for updates.
It is expected that there will be widespread development of severe thunderstorms throughout the late afternoon through the evening hours. These severe thunderstorms will bring multiple threats, including heavy rain, up to toonie size hail, damaging wind gusts of 110 km/h or greater, and the risk for multiple tornadoes.
Plan ahead. Have a plan in place and know where to go in the event that a Tornado Warning is issued. Have multiple ways to receive weather alerts (including TV, Radio, Phone, Weatherradio).
Environment Canada Thunderstorm Outlook
Environment Canada has parts of Southwestern and Central Ontario under their "High" threat category. They state that damaging wind gusts of 110 km/h and toonie size hail are the main threats. They also state that a few tornadoes are possible, and a "significant tornado" cannot be ruled out.
Severe Weather Outlook
Our Severe Weather Outlook highlights a large area of Southwestern and Central Ontario under our High/Red risk category.
Under the High/Red risk category, the threats will include heavy rain, large hail, damaging winds of 110 km/h or greater, and the potential for a few tornadoes. There will also be a risk for localized flooding.
Under the Moderate/Orange risk category, the threats will include heavy rain, large hail, damaging winds of 100 km/h or greater, and the potential for an isolated tornado. There will also be a risk for localized flooding.
Weather Alerts in Effect
A Tornado Watch is now in effect. More details are available here.