Heavy rainfall over the mountains and across parts of Alberta has put the province's river systems under strain, prompting a flood warning for the Elbow River in Calgary and a high stream advisory for the Bow River. With more rain still in the forecast, authorities have urged residents near the waterways to stay alert as levels rise and conditions remain changeable.
The two rivers meet at the Confluence in Calgary, a low-lying point that draws particular attention whenever water levels climb. Crews and officials have been monitoring the flows closely, mindful of the city's history with flooding and the speed at which mountain runoff can swell the Elbow and Bow after sustained rain upstream.
The same weather system has already left its mark elsewhere in the province. Over the weekend, the rain caused flooding and road closures across the Edmonton region, including in Strathcona County to the east of the city, where some routes were left waterlogged and impassable as drainage systems struggled to keep up with the volume of water.
To manage the situation around Calgary, water is being released in a controlled manner from the Springbank reservoir into the Elbow River as and when the river is able to receive it. Officials noted that several considerations go into the timing of those releases, including water quality, as standing water and sediment have to be weighed alongside the need to ease pressure downstream.
On the ground, the picture has been uneven, with some communities reporting that the worst of the high water appeared to have already passed even as the warning remained in place. Local authorities have continued to watch the forecast carefully, aware that further rainfall could quickly change the outlook and renew the risk in areas that had begun to stabilise.
For now, the flood warning and stream advisory remain a reminder of how rapidly summer storms can turn into a public safety concern in Alberta. Residents have been advised to avoid riverbanks and fast-moving water, to heed any road closures, and to stay informed through official updates as crews continue to manage the flows and assess conditions along the Elbow and Bow.