MONDAY: Environment Canada Forecasting a Tornado Risk for Monday, August 29, 2022

NOTE: You can click on the map to open a zoomable image which will be easier to read.

Environment Canada has highlighted a tornado risk for Monday, August 29th, 2022 in the “D” zone of the map, which includes parts of Southwestern Ontario, Central Ontario, and Northeastern Ontario. They’ve also highlighted a “Moderate” severe risk in “C” zone that covers much of southern Ontario. And Eastern Ontario seems to be left out for Monday’s severe risk on their forecast. However, seeing as we’re two days away from this event, the placement could shift some.

Environment Canada writes: “Organized areas of thunderstorms are expected to develop Monday afternoon and evening ahead of a cold front. These thunderstorms have the potential to become severe with wind gusts near 90 km/h, toonie size hail and 50 mm of rain. While there is a great deal of uncertainty, there appears to be the potential for tornadic development.”

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We at Instant Weather are working on our preliminary forecast for Monday’s storms and we’ll be posting it ASAP. To get notified when we post the forecast, download our free app Instant Weather on Apple or Android or subscribe to our premium Text Message Alerts via PayPal (easiest for our team) or if you’re not on PayPal, you can subscribe directly via our website either monthly or annually. We send out Environment Canada alerts instantly and also our own Instant Updates™ for rotation, tornado reports, damage reports, violent wind gusts, severe weather forecasts, livestream notifications, etc.

Below are location specific details from Environment Canada’s forecast. To clarify, these details are only currently available via an email list and are occasionally posted to their twitter account:

Location: Northern portions of southwestern Ontario as well as central Ontario.

Impacts: Strong wind gusts can toss loose objects, damage weak buildings and break branches off trees. Large hail can damage property. Localized flooring in low-lying areas is possible. Power outages are possible. Scattered lightning strikes.

Confidence: Low.

Description: Organized areas of thunderstorms are expected to develop Monday afternoon and evening ahead of a cold front. These thunderstorms have the potential to become severe with wind gusts near 90 km/h, toonie size hail and 50 mm of rain. While there is a great deal of uncertainty, there appears to be the potential for tornadic development.


Location: Portions of southwestern Ontario and the Golden Horseshoe.

Impacts: Strong wind gusts can toss loose objects, damage weak buildings and break branches off trees. Large hail can damage property. Localized flooring in low-lying areas is possible. Power outages are possible. Scattered lightning strikes.

Confidence: Low.

Description: Organized areas of thunderstorms are expected to develop Monday afternoon and evening ahead of a cold front. These thunderstorms have the potential to become severe with wind gusts near 90 km/h, nickel size hail and 40 mm of rain.


Location: Portions of northern and eastern Ontario.

Impacts: Strong wind gusts can toss loose objects and break branches off trees. Small hail can damage plants and crops. Isolated to scattered lightning strikes.

Confidence: Low.

Description: Thunderstorms are expected to develop Monday afternoon and continue into Monday evening. Some of these thunderstorm have the potential to be accompanied by strong wind gusts and small hail.


More details ASAP!

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