By Swikblog News Desk
Calgary’s spring took a dangerous turn overnight as a powerful snowstorm dumped up to 20 centimetres of heavy, wet snow across the city—triggering widespread traffic chaos and hundreds of crashes within hours.
What began as light rain around 4 a.m. Thursday quickly escalated into a full-blown snowstorm, catching commuters off guard during the morning rush. By midday, Calgary police had reported at least 163 crashes between midnight and noon, including 22 injury-related incidents. As conditions worsened through the day, total crashes climbed closer to 200, underscoring just how rapidly the situation spiraled.
From rain to snow within hours
The sudden shift in weather played a major role in the disruption. Early Thursday morning started with light rain, but temperatures dropped quickly, turning precipitation into a rain-snow mix and eventually heavy snowfall.
The storm system then stalled directly over Calgary during peak commute hours, intensifying the impact. A concentrated band of snow stretched from Canmore in the west, through Calgary, and east toward Strathmore—roughly 50 kilometres beyond the city—while southeastern Alberta, including areas near Medicine Hat, saw more rain than snow.
Forecasters had warned of this system a day earlier. Environment and Climate Change Canada issued a special weather statement on Wednesday, predicting up to 20 centimetres of accumulation and cautioning residents about deteriorating travel conditions. By Thursday morning, that warning escalated into a snowfall warning—often referred to as a “yellow warning”—as snow intensified across the region.
Hundreds of crashes bring city traffic to a standstill
The numbers quickly painted a clear picture of the chaos. More than 160 crashes were reported before noon alone, with dozens more added through the afternoon. At least 22 collisions involved injuries, putting pressure on emergency responders already dealing with high call volumes.
Major roads slowed to a crawl as visibility dropped and surfaces turned slick. Wet, heavy snow created particularly hazardous driving conditions, sticking quickly to roads and forming slushy layers that reduced tire traction. Intersections, bridges and highway ramps became high-risk zones for drivers.
City officials said the timing of the storm made it especially disruptive. Spring weather often leads to a false sense of security among drivers, many of whom may have already switched to all-season tires or adjusted their driving habits after warmer days.
“March and April are high accumulation months, whether it is snow or rain,” a City of Calgary mobility spokesperson said, noting that road crews were deployed 24/7 to respond to conditions.
Wider impact across Calgary and beyond
The storm’s effects extended beyond crash numbers. Key highways, including Highway 1 and Highway 2, saw deteriorating conditions, complicating travel across southern Alberta. Public transit faced delays, and overall movement across the city slowed significantly.
For many residents preparing for the Easter long weekend, the timing added another layer of frustration. Travel plans were disrupted, and commuters were forced to adjust schedules or stay off the roads altogether.
Weather events like this carry broader consequences, from increased emergency response demands to economic disruptions caused by delayed deliveries, missed work hours and reduced mobility across the region.
Relief expected—but more snow possible
There is some relief in sight. Forecasters say the storm system is expected to move out of Calgary by Thursday evening, with temperatures rising to around 7–8°C on Friday and holding near 5–7°C on Saturday.
This warming trend should help melt much of the accumulated snow, improving road conditions heading into the weekend. However, the quick thaw could create slushy roads, standing water and slippery patches, particularly during early mornings and late evenings.
And Calgary isn’t done with winter just yet.
Another round of flurries is already in the forecast for Sunday, potentially adding a few more centimetres of snow. The latest storm follows earlier snowfall this week and a recent system that dumped up to 25 centimetres in parts of the city—highlighting an unusually snowy start to spring.
For the latest official updates and warnings, visit Environment and Climate Change Canada or check real-time road conditions on Alberta 511.
Thursday’s storm is a sharp reminder that in Calgary, spring doesn’t mean stability—it means unpredictability. And in just a few hours, a routine morning can turn into a citywide disruption marked by hundreds of crashes, injured commuters and roads pushed to their limits.
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