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As a potent weather system sweeps across eastern Ontario and southern Quebec, authorities are warning residents to brace for significant freezing rain. Environment Canada has issued an orange alert for freezing rain, forecasting accumulations between 10 to 40 millimetres within a 24-hour period, affecting major urban centres such as Ottawa, Gatineau, Montreal, and Quebec City.
The Threat of Freezing Rain
Meteorologist Ross Hull from Global News emphasised the potential hazards posed by even minimal freezing rain. “If we see 10 mm of ice, it can lead to serious infrastructure issues, including power outages and falling tree limbs,” he remarked. While Ottawa and Montreal are expected to experience freezing rain, regions further north might be hit harder, with Hull cautioning that these areas could see even greater ice accumulation.
Winter Weather Warnings Across the Region
In addition to freezing rain, the Saguenay-Lac-Saint-Jean region is bracing for a winter storm, which will bring strong winds alongside snow and ice pellets. Forecasts predict an accumulation of 30 to 40 centimetres of snow through Wednesday and into Thursday evening. Hull noted that variations in temperature and rainfall could lead to different conditions across the region, making it crucial for residents to stay vigilant and prepared.
“If power outages occur, people will have to contend with cold temperatures, and the ice isn’t likely to melt anytime soon,” Hull added, reinforcing the need for readiness.
Rainfall and Flooding Concerns
The forecast is not solely focused on freezing rain, as southern Ontario is under a yellow rainfall warning. Precipitation is expected to reach between 20 to 40 millimetres, compounded by saturated or frozen ground that cannot effectively absorb the water. This situation raises the risk of flooding, prompting the Toronto and Region Conservation Authority to advise residents to avoid rivers, shorelines, and nearby trails until Thursday evening. Authorities are also warning of potential ponding on roads, particularly in low-lying areas and underpasses.
A Continued Winter Grip
For those hoping the worst of winter is behind them, Hull offers a sobering reminder: a clipper system is on the horizon, which may bring additional snowfall to parts of southern Ontario. “We’re not done with snow just yet, and that may disappoint many,” he stated, indicating that regions could experience another 2 to 5 centimetres locally, with higher totals possible in certain areas.
Why it Matters
This weather event underscores the ongoing challenges posed by winter storms in Canada, particularly in urban areas where infrastructure can be severely impacted by freezing rain. The combination of ice accumulation and the potential for flooding presents significant risks to public safety, transportation, and power supply. As communities prepare for these harsh conditions, the importance of staying informed and ready cannot be overstated.
