The Lake Simcoe Region Conservation Authority advises that warmer weather accompanied by rainfall is expected to begin to move through the watershed on Thursday, Feb. 9. This weather system is expected to bring temperatures well above seasonal values with daytime highs climbing above +6oC. In addition, rainfall amounts around 15-20 mm are predicted on Thursday.
Currently, portions of the watershed have a considerable snow pack. Due to the duration of the expected thaw, a significant reduction of this snow pack will occur. The expected rainfall coupled with the amount of ice and snow in storm drainage systems will increase the potential for blockage and ice jams, especially in the vicinity of culverts and bridges.
Also, warmer than normal temperatures will reduce or eliminate ice cover in creeks and rivers, resulting in dangerous ice conditions. While widespread flooding is not expected, the possibility for flooding in various low-lying areas of the watershed exists due to the expected rainfall and melting of the snow pack. Children and pets should be warned to stay away from all watercourses and slippery banks.
This watershed conditions statement will be in effect through Saturday, Feb. 11.
For further information, contact duty officer Bhavika Patel, P.Eng., at 905-895-1281.