Environment and Climate Change Canada (ECC) has introduced a new national weather alert system designed to enhance clarity regarding weather risks for Canadians. The revamped system features a color-coded scheme that aims to help individuals quickly assess the severity of extreme weather events. "This new system is part of the ongoing modernization of our public weather program and aligns with best practices worldwide, including those promoted by the World Meteorological Organization," the weather service stated on Wednesday.

The new alert system categorizes weather warnings, advisories, and watches into three colors: yellow, orange, and red. Each color represents a different level of seriousness associated with the weather event. The ECC explained that the shift to color-coded alerts will assist people in understanding not only what weather is expected but also its potential impacts.

To illustrate the system's effectiveness, the ECC referenced past severe weather events that would have warranted a red alert. These include the 1998 ice storm in Ontario and Quebec, the 2020 snowstorm in St. John’s, Newfoundland, and the 2021 atmospheric river in British Columbia, which caused significant damage.

Yellow alerts will be the most frequently issued. They will indicate that hazardous weather may lead to moderate, localized, and short-term impacts. For example, a yellow alert for wind might state: "Yellow Warning – Wind," suggesting potential short-term utility outages and risks from flying debris.

Orange alerts will signify severe weather likely to cause major and widespread damage, with effects that could last several days. An orange alert for wind could indicate widespread utility outages and structural damage to buildings.

Red alerts will be issued sparingly, reserved for extremely dangerous weather that poses life-threatening risks. A red alert for wind may predict long-lasting utility outages and significant structural damage.

Meteorologists at Environment Canada will utilize a new "Alert Colour Matrix" to determine which alert to issue. This matrix will incorporate the latest atmospheric data and assess the confidence level of forecasts, ranging from low to very high. It will also evaluate the potential impact on people and property, from low to extreme.

Canadians can access the latest forecasts and severe weather alerts through the WeatherCAN mobile app, available for free on both Android and iOS devices.

Looking ahead, Environment Canada plans to launch several initiatives over the next year to enhance severe weather alerts, provide more context for daily forecasts, and extend the outlook for potential extreme weather. Federal Environment and Climate Change Minister Julie Dabrusin emphasized the importance of clear and accurate weather alerts, stating, "By improving how severe weather is reported, we are helping Canadians better understand and prepare for potential impacts."