Watershed Conditions Statements
April 14, 2022
Flood Outlook — Lower Ottawa River | Perspective de crue – Cours inférieur de la rivière des Outaouais 2022
Water Conditions Statement: Flood Outlook — Lower Ottawa River April 14, 2022 — A Flood Outlook Statement is being issued for areas along the Lower Ottawa River (Arnprior to Hawkesbury). Based on forecasted precipitation and anticipated snow melt, levels and flows along the Ottawa River are expected to increase over the next few days as a result of the onset of the spring freshet in the Ottawa River basin. Snow cover varies significantly across the 146,300 km2 Ottawa River basin, with most southern areas having no snow cover at all. A large portion of snow cover in the northern regions…
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Watershed Conditions Statements
(WCS – R08/2022) April 6, 2022 – The Rideau Valley Conservation Authority is continuing with a HIGH WATER SAFETY message for all areas. Although water levels and flows are now declining for most areas of the Rideau Valley Watershed, except for the lakes which are discussed below, the forecasted rain will cause water levels and flows to increase in the coming days. The short-term forecast indicates as much as 40 mm of rain may fall between Thursday, April 7 and Saturday, April 9. The snow has melted across the entire watershed. Although no significant flooding is anticipated, water levels and flows are expected…
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Watershed Conditions Statements
(WCS – R06/2022) April 1, 2022 – The Rideau Valley Conservation Authority is issuing a HIGH WATER SAFETY message for all areas. Water levels and flows are declining for most areas of the Rideau Valley Watershed, except for the reservoir lakes which are discussed below. The short-term forecast indicates mostly above zero temperatures and limited precipitation, although there is a possible rain event coming later next week. The snow has melted across the lower watershed, but some snow remains in the upper watershed, near Perth. Parks Canada staff who manage the water levels for the Rideau Canal are carefully watching the water levels…
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Watershed Conditions Statements
(WCS – R06/2022) March 25, 2022 – The Rideau Valley Conservation Authority is terminating the FLOOD WATCH for the Village of North Gower but a FLOOD OUTLOOK continues for all the low-lying areas around the smaller creeks and streams in the Rideau Valley Watershed, including any connected creeks or ditches. The current short-term weather forecast indicates cooler, mostly below zero temperatures, for the next five days with limited precipitation. Although much of the snow has already melted, some snow remains in the watershed, especially in the upper watershed areas. Parks Canada staff who manage the water levels for the Rideau Canal have indicated that the water…
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Watershed Conditions Statements
March 22, 2022
Continued Snowmelt and Forecasted Rain Will Keep Water Levels Elevated Across Rideau Valley Watershed
(WCS – R05/2022) March 23, 2022 – The current short-term weather forecast indicates mostly above zero temperatures until Sunday and possibly 30 – 50 mm of rain from Thursday to Saturday. Although much of the snow has already melted, some snow remains in the watershed, especially in the upper watershed areas. The forecasted rain and on-going snowmelt are expected to keep water levels elevated and cause some flooding in all low-lying areas, especially those identified below. Parks Canada staff who manage the water levels for the Rideau Canal have indicated that water levels in upper watershed lakes will continue to rise…
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Watershed Conditions Statements
March 15, 2022
Warm Temperatures and Possible Rain Will Cause Increased Water Levels Across Rideau Valley Watershed
(WCS – R04/2022)March 15, 2022 – The current short-term weather forecast indicates warm daytime temperatures this week, with Thursday’s temperature above 10 degrees Celsius, and night-time low temperatures near zero. The short-term forecast also indicates that a substantial rain event could occur on Sat. March 19. Current conditions at several RVCA and Park Canada snow course sites indicate near normal amounts of snow for this time of year. If the temperatures come as forecast in the coming days, significant snowmelt is expected across the Rideau Valley watershed. This will increase water levels and cause some flooding in all low-lying areas, especially…
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Watershed Conditions Statements