Watershed Conditions Statements
July 02, 2017
Rain Causing High Flows on Tributary Streams
Heavy rain that has fallen on the Rideau River watershed over the last week has caused some smaller streams to overtop their banks.Rainfall on July 1 was varied over the watershed with 42 millimetres measured at the Ottawa Airport, 31 mm at Franktown in the upper Jock River watershed but less than 10 mm in Kemptville and Westport.Flooding is not expected on the Rideau or the major tributaries, Tay and Jock Rivers and Kemptville Creek. However, safety is an issue around smaller streams that have fast flows with wet and muddy banks, for example, Stevens and Sawmill Creek. Parents need…
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Watershed Conditions Statements
June 02, 2017
Flood Watch Terminated For Rideau Watershed
Rain forecast for Sunday and Monday can be expected to cause levels throughout the watershed to turn upward; however, no flooding is expected. Rain, possibly 20 to 25 millimetres, can be expected to raise levels in watershed rivers and lakes but not to flood stage similar to what occurred last weekend. Level and flow increases are expected to last for two or three days before returning to gradual declines toward long term averages. With water levels declining and no flooding expected, the Flood Watch, maintained over the last week for the Tay River, is terminated. Conservation Authority staff will continue…
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Watershed Conditions Statements
May 26, 2017
Flood Warning Withdrawn for Lakes on Tay River
Water levels are finally receding on Christie and Bobs Lakes both of which have had high water since the two bouts of heavy rain three weeks ago.Bobs Lake levels were high from the spring runoff in April. The rain recorded at Bolingbroke, about 90 millimetres over the four days from May 4 through 7, was similar to what fell over much of the eastern parts of Ontario. The increase of Bobs lake levels made it necessary for Parks Canada staff to release water through the Bolingbroke Dam. Christie Lake has been the unfortunate recipient of the excess water from…
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Watershed Conditions Statements
May 15, 2017
Flood Warning Extent Reduced
Water levels have continued to recede over the weekend and are not expected to be affected significantly by rain forecast for later this week. This has led to a reduction of the coverage of the Flood Warning. The Flood Warning is now limited to the upper Tay River where outflow from Bobs Lake has continued but there has yet to be a significant drop of the water level. Several properties around Christie Lake are still flooded. Sections of the Christie Lake North Shore Road has been under water for several days. Flow of the Tay through Perth is declining slowly…
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Watershed Conditions Statements
May 12, 2017
Weekend Rain Expected To Have Minor Impact
Water levels have declined through the week and are not expected to be affected significantly by rain forecast for the weekend. With no rain through the week water levels have had time to decline. On the Ottawa, levels below Chaudiere Falls have gone down more than 50 centimetres (cm). The Long Reach on the Rideau has dropped 30 cm. The Flood Warning will remain in effect through the weekend because of 20 or more millimetres of rain forecast for Saturday and Sunday. However, to have an impact, the rain would need to be from a widespread system with heavy rain…
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Watershed Conditions Statements
Flood levels on both the Ottawa and Rideau River systems can be expected to decline through the week following peak flows on Monday. No rain is in the forecast for today or tomorrow. During that time, water levels can be expected to decline slowly. However, the Flood Warning will remain in effect because of up to 40 millimetres of rain forecast to start on Thursday or Friday. The impact will depend on how much levels have subsided, how widespread the weather system is and how intensely the rain falls. The areas the RVCA monitors on the Ottawa River, Lac Deschene,…
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Watershed Conditions Statements
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