Watershed Conditions Statements
April 19, 2019
Flood Warning -- Ottawa River - Arnprior to L'Original
APRIL 19, 2019 OTTAWA RIVER FROM ARNPRIOR TO L'ORIGINAL — The Rideau Valley Conservation Authority (RVCA), in conjunction with the Mississippi Valley Conservation Authority (MVCA) and South Nation Conservation Authorities (SNC) is issuing a FLOOD WARNING for the areas under our jurisdiction along the Ottawa River. Significant rainfall (20 to 40 mm) has fallen over the Ottawa River basin since Thursday and an additional 20 to 35 mm of rain is expected by Saturday evening. The current snowpack throughout much of the Ottawa River basin remains at twice its normal depth for this time of the year. Soils are saturated and warm…
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Watershed Conditions Statements
APRIL 18, 2019 OTTAWA RIVER FROM ARNPRIOR TO HAWKESBURY — Rideau Valley Conservation Authority (RVCA) in conjunction with the Mississippi Valley (MVCA) and South Nation Conservation Authorities (SNC) is issuing an update FLOOD WATCH for the areas under our jurisdiction along the Ottawa River. The Ottawa River Regulating Committee warns that levels and flows on the Ottawa River from Lac Coulonge down to the Montreal region are expected to rise extremely rapidly starting this Friday due to forecast rainfall and snowmelt runoff. Major flood levels are expected to be exceeded over the weekend. Later on, flows and levels similar…
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Watershed Conditions Statements
April 17, 2019
Significant Rain in Forecast Will Again Cause Water Levels to Increase Across the Rideau Valley Watershed
The current forecast is calling for rainfall amounts of 50 to 65 mm, with possibly more, from Thursday to Saturday across the Rideau Valley Watershed which will cause water levels and flows to increase above current conditions throughout the watershed. Flood conditions are expected start on Friday or Saturday in many areas depending on where the rainfall occurs and total amounts received. Some specific areas of concern are highlighted below. A FLOOD WARNING is being issued for the following areas: Properties around Bob’s Lake, Christie Lake and Tay River in the upper Rideau Valley Watershed. In these areas, the water…
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Watershed Conditions Statements
April 17, 2019
Flood Watch - Ottawa River – Arnprior To Hawkesbury
APRIL 17, 2019: OTTAWA RIVER FROM ARNPRIOR TO HAWKESBURY — Rideau Valley Conservation Authority (RVCA) in conjunction with the Mississippi Valley Conservation Authority (MVCA), South Nation Conservation Authorities (SNC) and Ministry of Natural Resources & Forestry (MNRF) Kemptville District, cautions residents along the Ottawa River that water levels are expected to increase significantly over the weekend and into next week. Levels are not expected to reach those observed at the height of the flood in 2017 at this time. The Ottawa River Regulation Planning Board has stated, “With significant rainfall forecasted later this week, levels will exceed minor flood levels…
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Watershed Conditions Statements
April 15, 2019
Recent Heavy Rain Causing Water Levels to Increase in Upper Watershed and Other Localized Areas
April 15, 2019 – The heavy rainfall on Sunday and Monday, with amounts up to 40 mm, is causing the water levels to increase in all waterways across the Rideau Valley Watershed. The areas most affected include: Properties around Bob’s Lake, Christie Lake, Tay River and Wolfe Lake in the upper Rideau Valley Watershed. In these areas, the water levels are approaching flood levels. Parks Canada staff are closely monitoring the water levels in Bobs Lake and Christie Lake, and operations at the Bolingbroke Dam will take place as required, to balance the levels in Bobs Lake and Christie Lake. …
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Watershed Conditions Statements
April 11, 2019
Forecast Rain Expected to Increase Water Levels in Bobs Lake, Christie Lake, Tay River and Wolfe Lake
April 11, 2019 – The current weather forecast is calling for up to 30 mm of rain between Friday and Monday, and then more rain later next week. This anticipated rain, plus meltwater from the remaining snow pack, will increase the water levels in Bob’s Lake, Christie Lake, Tay River and Wolfe Lake. The water levels in the three lakes and the Tay River are currently above average and increasing because of snowmelt runoff. Waterfront property owners in these areas should be prepared for possible flooding in the upcoming days. Parks Canada staff are closely monitoring the water levels in…
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Watershed Conditions Statements
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