US EditionCanada introduces new colour-coded system for weather alerts
The new tri-coloured system—yellow, orange, red—reflects forecast impact and confidence to improve public understanding and preparation for 14 types of weather hazards.
- On Wednesday, Environment and Climate Change Canada launched a tri-coloured weather alert system nationwide, replacing the previous two-colour system.
- The agency said it moved to impact-focused alerts, shifting from threshold-based to impact-based forecasting tied to potential impacts and meteorologist confidence, aligning with World Meteorological Organization guidance.
- The update specifies that watches and warnings will use yellow, orange or red to indicate impact levels across 14 common Canadian weather events and hazards.
- Watches and warnings will continue but now carry one of three colours, special weather statements remain displayed in grey, and CityNews will incorporate the new alerts in its reporting, meteorologists including Natasha Ramsahai warned.
- Given past events, meteorologists warned that next month could bring a colder winter than recent years, emphasizing the relevance of the new impact-based alert system, according to officials and Weather Network meteorologist Doug Gillham.
23 Articles
23 Articles
The new warning system offers more geographical accuracy of weather events and is available in three different levels.
What’s a yellow, orange or red weather alert? Explaining the new Environment Canada colour coding system
The Alert Colour Matrix launched Nov. 26, using the colours yellow, orange and red to mark the severity level of an incoming weather system. We break down what the Yellow, Orange, and Red risk levels mean for you in Ontario.
Canada Introduces Colour-Coded System for Weather Warnings
Environment Canada is launching a new colour-coded alert system aimed at safeguarding Canadians during extreme weather events. The goal of the revamped system is to make it easier for Canadians to quickly assess the severity of extreme weather, Environment Canada said in a Nov. 26 press release. “A new colour-coded system will make it easier to quickly understand the severity of extreme weather and its expected risk at a glance,” the government …
Environment Canada introduces new colour-coded weather alerts as winter storm hits Ontario, Quebec
A winter storm is winding its way through northern Ontario and northern Quebec, bringing a combination of heavy snow, whipping winds and lake-effect snow dumps in different parts. The storm coincides with Environment Canada introducing yellow-orange and red weather alerts that coincide with warnings, advisories and watches.
Canada introduces new colour-coded weather alert system
Weather alerts issued by Environment and Climate Change Canada will now be accompanied by a colour indicating possible severity and confidence in the prediction. Alerts will now come with a yellow, orange or red label to indicate the seriousness of an event. The change is being made to make weather ...
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