Flood Forecasting and Warning

Status: Water Safety Statement

Special Statement for St. Lawrence River

Tuesday, August 8, 2017 (3:00 PM)

Status: Water Safety Statement

The Raisin Region Conservation Authority is continuing the water safety statement for the St. Lawrence River. The International Lake Ontario – St. Lawrence River Board has reduced the outlfow (through the dam) from 10,400 m³/s to 9,910 m³/s to mitigate high velocities upstream of the dam.

A Water Saftey Statement indicates high flows or other factors that could be dangerous for recreational users. Flooding is not expected.

Information on flows in the St. Larence River can be found on the International Board’s Facebook page at https://www.facebook.com/InternationalLakeOntarioStLawrenceRiverBoard and more detailed information is available on its website at http://ijc.org/en_/islrbc .


About Flood Forecasting and Warning in the RRCA

The Ontario Ministry of Natural Resources and Forestry (MNRF) is responsible for flood related emergencies. Flood forecasting and warning has been delegated to Conservation Authorities. If a local emergency is declared, MNRF will work directly with the municipality and in consultation with the Conservation Authority.

The Raisin Region Conservation Authority monitors precipitation and water levels throughout Cornwall, South Glengarry, and large portions of North Glengarry and South Stormont.

About Flood Forecasting Notices

No flood conditions exist.

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.

In the event of a flood status of anything other than normal, the RRCA will issue a media release and advise our member municipalities.

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