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Watershed Conditions Statement Advisory

Both Otonabee Conservation and Kawartha Conservation have issued Watershed Conditions statements for our region.

The Watershed Conditions Statements are in response to hazardous conditions that pose a serious personal safety risk, such as expected high than normal water flows in area rivers and streams, and possible slippery and unstable banks.

Warmer weather accompanied by rainfall is expected to begin to move through the watershed on Wednesday, March 13th through Friday, March 15th.  This weather system is expected to bring temperatures well above seasonal values with daytime highs climbing upwards of +10 degrees by Thursday afternoon.  Above zero temperatures are forecast for overnight Thursday and daytime highs climbing to upwards of +10 degrees on Friday.  In addition, rainfall amounts over 10mm 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. This may result in localized flooding in some areas.

Under expected watershed conditions, all local rivers, streams, and lakes should be considered extremely dangerous. The combination of rain, snowmelt and frozen ground conditions will combine to create other hazards such as slippery and unstable banks, unsafe ice, and extremely cold, open water conditions.

No overland flooding is expected. Municipalities and residents can expect localized urban flooding including, ditches and catch basins that will not drain due to blockages, and low-lying areas where rain and snowmelt accumulate.

Area residents to keep away from all watercourses, as well as dams, culverts, bridges and other water conveyance structures, and to observe extreme caution anywhere water can be seen to be accumulating or ponding. Children should be warned of dangerous conditions and caregivers should maintain a close watch on children who are outside.