Alerts are issued by Environment and Climate Change Canada.

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⚠️ Warning
A hazardous weather or environmental event poses a significant threat to public safety and property, and is certain or imminent.

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🟠 Watch
Where conditions are favourable for the development of weather or an environmental hazard that poses a significant threat to public safety and property, but the occurrence, location, and/or timing of the expected hazardous condition(s) is still too uncertain.