Active AlertsPoint Petre, ON

Conditions are favourable for the development of dangerous thunderstorms that may be capable of producing damaging wind gusts, large hail and heavy rain.

Hazards:
Damaging winds with gusts in excess of 110 km/h possible.
Quarter to ping pong ball size hail.
Torrential downpours with local rainfall amounts up to 50 millimetres.
Risk of a tornado.

Timing:
This afternoon to this evening.

Additional information:
Thunderstorms are expected to develop mid to late this afternoon along and ahead of an advancing cold front. There still remains some uncertainty with how strong thunderstorms could become due to some lingering cloud cover across the region which could inhibit how much instability builds in. Latest trends in observational data and models still indicate that sufficient instability should build leading to a robust severe weather threat.

The primary concern with any thunderstorms will be for strong and potentially damaging winds along with large hail and torrential rain. That being said, conditions could become favourable for some thunderstorms to be able to produce a tornado.

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Utility outages are possible. Significant damage to property, buildings and trees is possible. There is a risk of serious injury.

Large hail can cause significant damage and injury.

Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain.

Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to ONstorm@ec.gc.ca or post reports on social media using #ONStorm.

For more information: https://www.ontario.ca/page/be-prepared-emergency.

Be prepared for severe weather. If threatening weather approaches, take cover in a basement or interior room. If outside, protect yourself from flying debris and hail. When thunder roars, go indoors! Lightning kills and injures Canadians every year.

Emergency Management Ontario recommends that you take cover immediately if threatening weather approaches.