Watershed Conditions Statements
December 21, 2022
WATER SAFETY STATEMENT - Significant Precipitation Event Will Cause Increased Water Levels Across Rideau Valley Watershed
(WCS – R09/2022) December 21, 2022 – Caution is advised as a major winter storm makes its way to the Rideau Valley this week. Environment Canada’s short-term weather forecast indicates precipitation will begin as rain or snow late Thursday, Dec. 22 before transitioning to rain on Friday. Rainfall amounts of up to 40 mm are forecasted for Friday before the temperature drops below zero. Falling temperatures will be accompanied by strong winds along with more snow. Water levels and flows are generally low to average for this time of year across the Rideau Valley Watershed. Although no significant flooding is anticipated,…
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Watershed Conditions Statements
April 27, 2022
Updated: 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 27, 2022 — The Flood Outlook Statement issued on April 14th is still in effect for areas along the Lower Ottawa River (Arnprior to Hawkesbury). Water levels and flows on the main stem of the Ottawa River are expected to increase in most locations over the next few days in response to combined snowmelt from the northern part of the basin and recent rainfall. Levels are expected to be similar to those experienced about one week ago in most locations before starting to decline. Reservoirs throughout the basin are being…
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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
