Under what conditions would a municipality declare a Significant Weather Event?

A municipality may declare a significant weather event when the weather forecast or weather condition includes one or more, but is not limited to one or more, of the following conditions:

• Environment Canada has issued an alert under its Public Weather Alerting Program
• Significant snow accumulation during a 24 hour period
• Ice formation that occurs with no warning from the weather forecast
• Extreme cold temperature when de-icing operations will not be effective