CLOCA Notice: Watershed Conditions Statement – Flood Outlook


The Central Lake Ontario Conservation Authority advises that the Surface Water Monitoring Centre of the Ministry of Northern Development, Mines, Natural Resources and Forestry is forecasting a large, slow-moving frontal system to enter the CLOCA watershed tonight and into tomorrow. The front is expected to bring widespread rainfall into the area, with 40-60mm expected before Thursday, and the possibility of embedded thunderstorms contributing an additional 10-20mm. Unsettled weather conditions are expected to follow the passage of the front into Saturday and could contribute even more rainfall.

Thunderstorms produce high-intensity rainfall over a short period of time, which can cause soils to become saturated very quickly, resulting in increased runoff. Consequently, higher than normal water levels and flows can be expected in our streams, especially in the vicinity of culverts and bridges. Localized flooding is not expected, but heavy downpours could result in flooding of low-lying and flood-prone areas.

The Central Lake Ontario Conservation Authority is asking all residents to stay away from all watercourses, shorelines, and structures such as bridges, culverts and dams. Increased wave activity, elevated water levels, fast-flowing water, and slippery conditions along stream banks and Lake Ontario shorelines continue to make these locations extremely dangerous.  Please remind children of these dangers.

This Flood Outlook Statement will be in effect through Sunday, September 26, 2021, or until further notice. The Central Lake Ontario Conservation Authority will continue to monitor the conditions of the streams and will provide updates as required.

Stay up to date by viewing CLOCA’s website.

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