The Upper Thames River Conservation Authority is warning London residents that localized flooding is possible over the next several days.
A series of Colorado Lows are tracking northeastward and moving across southern Ontario starting Tuesday (Jan. 29). As a result, the authority is predicting widespread rain with the possibility of an occasional thunderstorm.
Rainfall forecast today for Southwest Ontario is 10 to 15 millimetres. An additional 20 to 30 millimetres of rain is forecast for tomorrow, and 20 mm forecast for Wednesday.
Cumulative three-day totals could be greater than 60 millimetres, if the higher forecasts materialize. Snow pack across the watershed contains approximately 10 to 20 millimetres of additional water, and will melt throughout the event as temperatures increase and rain continues.
Although authority officials are saying serious flooding is not anticipated at this time, though water will flow out of bank at low floodplain locations. London locations susceptible to flooding include Harris and Gibbons Parks and the North London Athletic Fields/ Stoneybrook Recreation Fields.
Authority officials are reminding the public that the water is high, fast moving and dangerous and the stream banks are slippery.
Flood control reservoirs at Fanshawe, Pittock and Wildwood are at seasonal levels, retaining over 95 percent of flood control capacity.
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