Flood Status

Conservation Halton Issues a Watershed Conditions Statement - Flood Outlook at 1:00 PM on September 7, 2018

Conservation Halton advises that Tropical Depression Gordon is forecasted to impact the lower Great Lakes area beginning on Sunday afternoon and overnight into Monday, with numerical weather models suggesting rainfall accumulations between 30 and 60mm. The National Hurricane Centre is indicating that there will be some strengthening of the winds over the next 48 hours as the storm becomes increasingly extra-tropical.

Widespread flooding is not anticipated. Our reservoirs are still in range of our seasonal holding levels and have storage capacity available. However, fast flowing water and flooding of low lying areas and natural floodplains may be expected. Municipalities, emergency services and individual landowners in flood-prone areas should be on alert.

Conservation Halton is asking all residents and children to keep a safe distance from all watercourses and structures such as bridges, culverts, dams and break walls. Elevated water levels, fast flowing water, and slippery conditions along stream banks and shorelines continue to make these locations extremely dangerous. Please alert children in your care of these imminent dangers.

Conservation Halton will continue to monitor stream flow and weather conditions and will issue further messages as necessary.

This Flood Outlook Statement will be in effect through Tuesday September 11, 2018.

For further information or questions regarding this message contact:

Ben O’Reilly, Flood Duty Officer
Engineering
(905) 336-1158 x2258
floodadmin@hrca.on.ca
Karlee May
Digital Media Coordinator
905-336-1158 x2265
kmay@hrca.on.ca

Note: A Watershed Conditions Statement – Flood Outlook is issued as an early notice of the potential for flooding based on weather forecast of heavy rain, snow melt, high wind or other conditions that could lead to high runoff, ice jams, shoreline flooding or erosion.

 

 

Conservation Halton Flood Terminology

The current terminology was adopted by Conservation Halton, other Conservation Authorities across Ontario and the Ontario Ministry of Natural Resources and Forestry (OMNRF) in February, 2012. The change is to ensure flood messages are consistent and in line with severe weather terminology used by other agencies such as Environment Canada and the Weather Network. The terms were developed by a committee of representatives of Conservation Authorities, Conservation Ontario, the Ministry of Natural Resources and Forestry, Environment Canada, and other agencies
The following is the flood and water safety message terminology used by Conservation Halton:

Normal:
Conditions are within normal limits. No flooding is expected.

 

Watershed Conditions Statement:
A 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:

Watershed Conditions Statement - Water Safety:
High flows, unsafe banks, melting ice, or other factors could be dangerous for recreational users such as anglers, canoeists, hikers, children, pets, and others. 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 and 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 take action to deal with flood conditions. This may include road closures and evacuations.