Watershed Conditions Statements
April 28, 2018
Lakes in Upper Rideau Watershed Reaching Flood Level
April 28, 2018 – This message is specific to Bobs and Christie Lakes but may apply to other lakes in the area where remotely accessible monitoring equipment is not installed. Property owners are advised to go to their cottage properties and assess conditions for themselves. Rain overnight has caused levels on Bobs and Christie Lakes to increase to flood levels. Additional rain forecast for today (Saturday) and Sunday will cause further increases. Some relief is expected on Monday and Tuesday. More rain is forecast for later in the week that will slow the decline on both lakes. Levels of Bobs…
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Watershed Conditions Statements
April 24, 2018
More Rain Expected to Raise Water Levels Again
April 24, 2018 – Water levels are expected to rise again in the Rideau River watershed as a result of meltwater from the last of the snow, flow from thawing soil and rain forecast for Wednesday and Thursday. Daytime temperatures are expected to approach 20 degrees over the rest of the week and stay above freezing at night. This will cause the remaining snow in the upper watershed to melt and, along with thawing water from the soil, begin to work its way down through the system. Rain in the order of 20 to 30 millimetres is forecast for the…
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Watershed Conditions Statements
April 18, 2018
Long Reach of Rideau River at Risk of Access Flooding
April 18, 2018 – The snow and ice accumulation over the last several days raises the possibility of flooding in parts of the Rideau system as warmer conditions arrive on Friday. Rain and some melting has caused streamflows to increase throughout the watershed. Daytime temperatures above 10 degrees through the coming weekend and into next week can be expected to melt the remaining snow and ice. There is the potential for this meltwater to cause access issues in the low-lying communities on the Long Reach of the Rideau between Kars and Kemptville. Tributary streams such as Stevens and Cranberry Creeks…
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Watershed Conditions Statements
April 11, 2018 – A weather system out of the mid-west U.S. has the potential to bring several forms of precipitation in significant amounts in to eastern Canada over the next week. Snow, rain and freezing rain may fall beginning tonight with showers or flurries. Tomorrow, rain is forecast to fall through the afternoon. Rain is expected to begin again late on Friday morning and continue into Saturday, changing to snow in the early morning finishing with as much as 20 centimetres. Rain is presently expected to resume on Sunday and continue into Monday. If the full amount of forecast…
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Watershed Conditions Statements
April 03, 2018
Flows in Rideau Valley to Fluctuate from Latest Weather
April 3, 2018 – Rain in the order of 20 millimetres is forecast for today and into the night that will cause water levels throughout the Rideau valley to increase beyond levels reached after rain on Saturday. How much levels increase will be limited by dropping temperatures and the changeover from rain to freezing rain or snow overnight and tomorrow. Peak flows from this weather are still expected to be less than average for the spring freshet. These may not be the actual freshet maximum flows. The Long Reach of the Rideau River, between Manotick and Kemptville, could have levels…
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Watershed Conditions Statements
March 29, 2018
Below Average Spring Freshet Expected
March 29, 2018 – Barring a rain event not presently in weather forecasts, it is appearing that the spring freshet of 2018 in the Rideau valley may have already occurred on March 2 as a result of the above normal temperatures in the latter half of February that removed all of the snow. The snow that fell after the early March thaw, has gradually declined over the month with several sunny days and above freezing daily temperatures. With little snow and minor rainfall forecast, there is not expected to be enough runoff to cause significant increases in water levels in…
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Watershed Conditions Statements