The Raisin Region Conservation Authority (RRCA) is warning about the potential for
flooding based on weather forecasts calling for heavy rain this weekend.
Environment Canada is forecasting sustained above-zero temperatures beginning
March 6. Daytime highs may reach up to 15°C in some areas, which is expected to accelerate snow melt.
The warmer conditions will likely be accompanied by rainfall, with totals of up to 20 mm possible by March 8. The extended forecast also indicates a continued warming trend, with the potential for an additional 20 mm of rainfall between March 10 and 13.
Current water levels are at normal for this time of year in the RRCA jurisdiction. All rivers and streams across the jurisdiction may experience high water levels, fast flowing water
and slippery or unstable banks. Flooding is possible in low lying areas.
In North Glengarry there is a high risk of water backing up in areas typically susceptible to spring flooding downstream of Mill Pond. The water levels of Loch Garry, Middle Lake, and Mill Pond are being actively managed. Sudden increases in dam outflow may be necessary under the forecast weather conditions.
Residents in areas regularly affected by spring flooding should take precautions to protect their
property, such as:
Securing items that might float away as flows increase.
Removing items from sheds, garages, basements, or lower floors that could be subject to
flooding.
Ensuring sump pump is clear, in good working condition, and has a backwater valve.
Ensuring easy access to a portable backup generator and pump.
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