A tornado watch issued earlier Wednesday evening for Rocky View County, including Airdrie and Crossfield, was lifted just before 8 p.m., according to Environment Canada.
The watch had been issued at 5:25 p.m., when the agency warned that “conditions are favourable for the development of severe thunderstorms which may produce tornadoes.” Forecasters also noted the potential for strong winds, large hail and heavy rainfall.
No tornadoes were reported in the immediate area, but residents across Airdrie captured dramatic images of rolling storm clouds and ominous skies as the system passed through.
Tornado watches are issued when atmospheric conditions support the development of thunderstorms that could produce tornadoes. Environment Canada had cautioned that there was a slight risk of an isolated tornado forming in the region early in the evening.
“This is a dangerous and potentially life-threatening situation,” the agency stated in the original alert. “Be prepared for severe weather. Take cover immediately, if threatening weather approaches.”
The recommended safety steps included moving to the lowest level of a sturdy building, away from windows and outside walls. People in mobile homes, tents, trailers or vehicles were urged to seek stronger shelter, or as a last resort, lie in a low spot and protect their heads from debris.
Environment Canada also reminded the public of the risks posed by lightning: “When thunder roars, go indoors!”
What’s the difference between a tornado watch and warning?
According to Environment Canada’s official criteria:
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A Tornado Watch is issued when conditions are favourable for the development of severe thunderstorms with one or more tornadoes.
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A Tornado Warning is issued when a tornado has been reported, or radar or a reliable spotter indicates a tornado is imminent.
Other common weather alerts in Alberta:
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Heat Warning (Calgary–Airdrie region): Issued when daytime highs of 29°C or more and overnight lows of 14°C or more are forecast for two or more consecutive days.
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Short Duration Rainfall Warning: Issued when 50 mm or more of rain is expected within one hour — common in fast-moving summer thunderstorms.
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Weather Advisory: A general advisory issued when an unusual or off-season event doesn’t meet warning thresholds but still poses a hazard. Examples include funnel clouds or the first snowfall of the year.
Photo Gallery: Cloud drama over Airdrie
Check out the towering cells, dramatic anvils, and moody green skies captured by Airdrie residents Wednesday evening.
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