South Nation

The Flood Watch issued on April 9, 2020 is being TERMINATED. A Water Safety Statement is in effect as all areas are experiencing high spring flows which are typical for this time of year.

The Ottawa River Regulation Committee has indicated that levels are decreasing along the main stem of the Ottawa River from Pembroke down to the Montreal region as runoff from melting snow in tributaries decreases. It is expected that levels will continue decreasing to normal spring freshet levels as no major precipitation is forecasted over the next few days.

This is an update to the Flood Watch statement issued by South Nation Conservation (SNC) for the St. Lawrence River on April 12^th, 2020.

Weather Forecast:
Scattered showers are possible across Eastern Ontario this weekend, but no significant rainfall is currently in the forecast.

South Nation Conservation (SNC) has upgraded the Flood Outlook Statement issued on March 13, 2020 to a Flood Watch for the St. Lawrence River.

Weather Forecast:
A low-pressure system is moving across Eastern Ontario, with rainfall amounts of 10 to 30 mm starting tonight and continuing into tomorrow, April 13, 2020. Strong wind gusts upwards of 115 km/h are possible.

This statement is an update to the Flood Outlook Statement issued on April 3^rd, 2020.

Weather Forecast:
A low-pressure system is moving across Eastern Ontario, with rainfall amounts of 10 to 30 mm starting on the evening of Sunday, April 12^th and continuing into Monday, April 13^th, 2020.

South Nation Conservation (SNC) is committed to supporting municipalities, partners and people as the Coronavirus (COVID-19) Pandemic unfolds.

In accordance with the Government of Ontario’s Emergency Order on March 31, all outdoor recreational amenities in the province are closed.

The order does not apply to green spaces including parks, trails, and Conservation Areas. SNC has closed facilities with its municipal partners and some Conservation Areas.

April 9, 2020 — A Flood Watch is being issued for areas along the Lower Ottawa River. Water levels and flows from Arnprior to Hawkesbury continue to rise gradually due to on-going snowmelt in the central and northern portions of the Ottawa River basin.

On Monday a spring storm is expected to bring above average temperatures and a significant amount of rainfall. Minor flood levels may be exceeded in low-lying, flood prone areas depending on the temperatures and precipitation received.

This Statement is an update to the Flood Outlook Statement issued on March 27^h, 2020.

Weather Forecast:
Scattered showers may occur across Eastern Ontario next week, but no significant rain event is in the forecast at this time.

Environmental Conditions:
According to the International Lake Ontario – St. Lawrence River Board, although no major weather event is in the current forecast, Lake Ontario’s water levels are above average for this time of year and will likely continue rising slightly next week.

A Water Safety Statement is being issued for areas along the Lower Ottawa River. Based on current snow cover and weather forecast, it’s anticipated that levels and flows from Arnprior to Hawkesbury will remain within the normal range of fluctuations associated with the spring freshet period.

Weather Forecast:
Environment Canada is forecasting rainfall of 25 to 30 mm on Sunday, March 29^th into Monday, March 30^th.

Environmental Conditions:
Water levels across the watershed are normal for this time of year but are expected to increase in the coming days.

Risks:
Rainfall is likely to produce high water levels and possible nuisance flooding in low-lying areas across the watershed.

This statement is an update to the Flood Outlook Statement issued on March 20^th, 2020.

Weather Forecast:
Thunderstorms are possible across Eastern Ontario on Sunday, March 29^th, with total rainfall amounts of up to 25 mm.

Environmental Conditions:
According to the International Lake Ontario – St. Lawrence River Board, Lake Ontario’s water levels are above average for this time of year and will continue to rise next week as a result of Sunday’s weather forecast.