St. Clair Region Conservation Authority flood outlook in effect
The St. Clair Region Conservation Authority (SCRCA) has issued an early notice of potential flooding in the region.
The flood outlook is in effect until 4 p.m. Thursday unless otherwise updated.
Thunderstorms on Wednesday afternoon brought approximately 80 millimetres of rainfall to the watershed in Sarnia and 55 mm in Warwick, the authority said on its website.
Environment and Climate Change Canada is forecasting the potential for further thunderstorms into mid-day Thursday, which could bring an additional 30 to 50 mm of rain with a peak rainfall intensity of up to 50 mm per hour.
That could lead to increased runoff and localized flooding, ponding on roads and flash flooding, particularly in urban areas, the authority said in a news release.
Coupled with the heavy rainfall Wednesday, water levels and flows are expected to increase and may elevate into low-lying areas surrounding rivers and streams.
The authority is reminding people to avoid watercourses and flooded areas due to dangerous conditions, slippery banks and swift moving water.
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