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FLOOD WARNING STATEMENT –TERMINATION

  Water levels and flows are returning to normal throughout the watershed.

May 23, 2023 MISSISSIPPI AND CARP RIVER WATERSHEDS— The Mississippi Valley Conservation Authority is TERMINATING the FLOOD WARNING issued May 3rd.  Levels and flows are declining throughout the Mississippi and Carp watersheds. Based on the current weather forecasts, that trend is expected to continue.

Levels are slowly returning to seasonal conditions on Dalhousie and Mississippi Lakes. Flows in the Mississippi River are slightly above normal for this time of year and are excepted to return to seasonal conditions in the coming weeks.

No further updates to this FLOOD WARNING will be issued.

 Please visit the MVCA’s website for more information on:

  • Water levels and flow data: mvc.on.ca/water-levels
  • Watershed Conditions Messages: mvc.on.ca/watershed-conditions-message.

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Contact: Jennifer North

Water Resources Technologist
613-253-0006 ext. 243
jnorth@mvc.on.ca               www.mvc.on.ca

Newsrooms please note:


A Watershed Conditions Statement is NOT a flood warning. Its purpose is to raise public awareness about a change or potential change in watershed conditions.

See below for watershed conditions terminology:

Watershed Conditions Statement: general notice of weather conditions that could pose a risk to personal safety or which have the potential to lead to flooding. There are two variations of these:

  • Water Safety Statement: High flows, unsafe banks, melting ice or other factors could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.
  • Flood Outlook Statement: Early notice of the potential for flooding based on weather forecasts calling for heavy rain, snow melt, high wind or other conditions that could lead to high runoff, cause ice jams, lakeshore flooding or erosion.

Flood Watch: Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services and individual landowners in flood-prone areas should prepare.

Flood Warning: Flooding is imminent or already occurring in specific watercourses or municipalities. Municipalities and individuals should act to deal with flood conditions. This may include road closures and evacuations.

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Water Conditions Statement Update #5:

FLOOD WARNING DOWNGRADE - Lower Ottawa River

May 18, 2023 â€“ The Flood Warning for the Ottawa River issued on May 10, 2023 has been downgraded to a Water Safety Statement. 

Water levels along the Lower Ottawa River from Gatineau to the Grenville/Hawkesbury area are expected to continue decreasing over the coming days. 

Based on Ottawa River Regulating Committee forecasts, Ottawa River water levels are declining, and the rate of decline is slowing as they reach normal summer targets. There is no snow remaining in the watershed and reservoirs are now targeting summer levels. No significant rain is forecasted for the next couple of days.

Residents are advised to stay away from watercourses where flows are high and where banks might be unstable. Parents are encouraged to explain dangers to children. 

The Mississippi Valley, Rideau Valley, and South Nation Conservation Authorities monitor water levels and weather forecasts with the Ministry of Natural Resources and Forestry as part of the Flood Forecasting and Warning Program. Updates are provided as conditions change. 

This Water Safety Statement will remain in effect until Thursday, June 1 at 5:00 p.m. No further updates will be issued unless forecasted levels or conditions change.

For more information regarding the Ottawa River, visit www.ottawariver.ca.   

To view current flood warnings across Ontario, visit: www.ontario.ca/law-and-safety/flood-forecasting-and-warning-program.

Mississippi Valley Conservation Authority

Contact: Jennifer North

Water Resources Technologist
613-253-0006 ext. 243
jnorth@mvc.on.ca               www.mvc.on.ca

Definitions:

  • Water Conditions Statement: Water Safety: indicates that high flows, melting ice or other factors could be dangerous for such users as boaters, anglers, and swimmers but flooding is not expected.
  • Water Conditions Statement: Flood Outlook: gives early notice of the potential for flooding based
    on weather forecasts calling for heavy rain, snow melt, high winds, or other conditions.
  • Flood Watch: potential for flooding exists within specific watercourses and municipalities.
    Municipalities, emergency services and individual landowners in flood-prone areas should prepare.
  • Flood Warning: flooding is imminent/occurring within specific watercourses and municipalities.

Communiqué sur les conditions de la rivière - mise à jour no 5 :

LEVÉE DE L’AVERTISSEMENT DE CRUE - Cours inférieur de la rivière des Outaouais

Le 18 mai 2023 - L'avertissement de crue pour la rivière des Outaouais émis le 10 mai 2023 a été rétrogradé à une déclaration de Sécurité aquatique.

On s'attend à ce que les niveaux d'eau le long du cours inférieur de la rivière des Outaouais, de Gatineau à la région de Grenville/Hawkesbury, continuent de diminuer au cours des prochains jours.

Selon les prévisions du Comité de régularisation de la rivière des Outaouais, les niveaux d'eau de la rivière des Outaouais diminuent, et le taux de baisse ralentit alors qu'ils atteignent les cibles estivales normales. Il ne reste plus de neige dans le bassin versant et les réservoirs approchent maintenant les niveaux d'été. Aucune pluie importante n'est prévue pour les deux prochains jours.

Il est conseillé aux habitants de ne pas s'approcher des cours d'eau dont le débit est élevé et dont les berges peuvent être instables. On demande aux parents d'expliquer ces risques à leurs enfants.

Les offices de protection de la nature de la vallée de la Mississippi, de la vallée de la Rideau et de la Nation Sud surveillent les niveaux d'eau et les prévisions météorologiques avec le ministère des Richesses naturelles et des Forêts dans le cadre du programme de prévision et d'alerte des crues. Des mises à jour sont transmises au fur et à mesure de l'évolution des conditions.

Cette Déclaration Sécurité Aquatique restera en vigueur jusqu'au jeudi 1er juin à 17 h. Aucune autre mise à jour ne sera émise à moins que les niveaux ou les conditions prévus ne changent.

Pour de plus amples renseignements sur la rivière des Outaouais, visitez le site www.ottawariver.ca.

Pour consulter les alertes de crues en cours en Ontario, visitez le site
www.ontario.ca/law-and-safety/flood-forecasting-and-warning-program.

Mississippi Valley Conservation Authority

Contact: Jennifer North

Water Resources Technologist
613-253-0006 ext. 243
jnorth@mvc.on.ca               www.mvc.on.ca

DĂ©finitions:

  • ÉnoncĂ© sur les conditions de l’eau : SĂ©curitĂ© aquatique : indique que les dĂ©bits Ă©levĂ©s,
    la fonte des glaces ou d’autres facteurs pourraient être dangereux pour des utilisateurs tels que les plaisanciers, les pêcheurs à la ligne et les nageurs, mais qu’aucune inondation
    n’est prévue.
  • ÉnoncĂ© sur les conditions de l’eau : Perspectives d’inondation : donne un prĂ©avis de la possibilitĂ© d’inondation en fonction des prĂ©visions mĂ©tĂ©orologiques annonçant de fortes pluies, la fonte des neiges, des vents violents ou d’autres conditions.
  • Surveillance des inondations : il existe un risque d’inondation dans certains cours d’eau et municipalitĂ©s. Les municipalitĂ©s, les services d’urgence et les propriĂ©taires fonciers dans les zones inondables devraient se prĂ©parer.
  • Avertissement d’inondation : une inondation est imminente ou se produit dans des cours d’eau et des municipalitĂ©s spĂ©cifiques.

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Normal status indicates that no flood conditions exist. However, even during Normal conditions, the inherent risk to personal safety associated with flowing water still exists.

Watershed Conditions Statement - Water Safety: High flows, unsafe banks, melting ice, or other factors that could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, etc. Flooding is not expected.

Watershed Conditions Statement - Flood Outlook: Early notice of the potential for flooding based on weather forecasts calling for heavy rain, snow melt, high wind or other conditions that could lead to high runoff, cause ice jams, lakeshore flooding, or erosion.

Flood Watch: Flooding is possible in specific watercourses or municipalities. Municipalities, emergency services, and individual landowners in flood-prone areas should prepare.

Flood Warning: Flooding is imminent or already occurring in specific watercourses or municipalities.