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Warmer temperatures spark flood warning from conservation authority

February 1, 2024   ·   0 Comments

By Brian Lockhart

The Nottawasaga Valley Conservation Authority is advising that precipitation, above-freezing temperatures, and associated snowmelt are likely to result in above-seasonal water levels over several days beginning Jan. 25.

With temperatures rising above freezing and rain expected, melting snow is expected to run off quickly to local watercourses.

No major flooding is expected, but some waterways may reach or exceed their banks, leading to localized flooding in floodplains, low-lying areas, and places with poor drainage.

In addition, milder temperatures and rain could weaken and cause the breakup of the ice cover where it exits, causing localized water level increases and flooding. Melting snow and runoff will result in increases in flow and possible ice breakup.

At this time of year, there is always the potential for localized flooding from ice jams.

The NVCA is warning people to stay away from watercourses, especially areas previously covered with ice, as conditions can change rapidly. Watercourses will be high and fast-flowing. The banks may be slippery, and the ice cover will not be stable.

Exercise caution if you must be around any bodies of water, rivers, or streams. Avoid areas already experiencing erosion or blockages with debris, including ice jams.

Keep children and pets away from banks, as they can be slippery and unstable.

Nottawasaga Valley Conservation Authority staff will monitor the situation closely and provide an update if conditions change.

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