A yellow Air Quality Warning indicates a moderate health risk, typically corresponding to an AQHI rating of 4 to 6. While most people can continue their normal activities, individuals who are more sensitive to air pollution may wish to reduce prolonged or strenuous outdoor activity.
An orange snowfall warning means that a significant snowfall event is expected or already occurring, with the potential to cause substantial disruptions and dangerous conditions. If an orange snowfall warning has been issued for your area, you should be prepared for difficult travel, heavy snow accumulation and possible disruptions to transportation and daily activities. Orange … Read more
An orange blizzard warning in Canada means severe blizzard conditions are likely to cause significant impacts that may be major, widespread or prolonged. Strong winds and blowing snow can severely reduce visibility, create dangerous travel conditions and cause major transportation disruptions. Orange is the middle level in Canada’s colour-coded weather alert system and indicates a … Read more
An orange freezing rain warning in Canada means freezing rain is expected to cause significant impacts that may be major, widespread or prolonged. Significant ice accumulation can create dangerous travel conditions, damage trees and power lines, cause power outages and disrupt transportation and daily activities. Orange is the highest warning level for freezing rain in … Read more
An orange wind warning in Canada means strong winds are likely to cause significant impacts that may be major, widespread or prolonged. Potential conditions can include fallen trees, power outages, property damage and dangerous driving conditions. The severity of the impacts depends on wind speed, duration, location and local conditions. This guide explains what an … Read more
An orange winter storm warning in Canada means a combination of severe winter weather is likely to cause significant impacts that may be major, widespread or prolonged. Heavy snow, freezing rain, ice and strong winds can create dangerous travel conditions, major transportation delays and significant disruptions to daily activities. The severity of the impacts depends … Read more
An orange severe thunderstorm warning in Canada means severe thunderstorms are likely to cause significant impacts that may be major, widespread or prolonged. Potential hazards can include damaging winds, heavy rainfall, large hail and dangerous lightning. Severe thunderstorm conditions can develop and change quickly, creating risks to people, property and transportation. This guide explains what … Read more
An orange rainfall warning in Canada means heavy or prolonged rainfall is likely to cause significant impacts that may be major, widespread or prolonged. Potential conditions can include flooding, dangerous travel, property damage and major disruptions to transportation and daily activities. The severity of the impacts depends on rainfall amounts, intensity, duration, existing ground conditions … Read more
A yellow snowfall warning means that significant snow is expected or already falling in your area, with conditions that could make travel and everyday activities more difficult. If a yellow snowfall warning has been issued for your area, you may experience snow-covered roads, reduced visibility and travel delays. While yellow is the lowest level in … Read more
A yellow blizzard warning in Canada means blizzard conditions are expected to cause moderate, localized or short-term impacts. Strong winds combined with falling or blowing snow can significantly reduce visibility and create hazardous travel conditions. Although yellow is the lowest level in Canada’s colour-coded weather alert system, a yellow blizzard warning should still be taken … Read more