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Items filtered by date: January 2017

Environment Canada is forecasting another low-pressure system to move into southern Ontario, including Kawartha Conservation watershed, this evening.  Rain is expected to start overnight with total rainfall amounts of 20 to 30mm, which will taper off by Wednesday morning as the storm moves out of the region.

WATERSHED CONDITIONS STATEMENT – WATER SAFETY

DATE:     February 28, 2017             
TIME:     2:00 pm               

Message sent on the basis of information received from:
•             Kawartha Conservation Flood Forecasting Network
•             Ministry of Natural Resources - Surface Water Monitoring Centre
•             Environment Canada
•             Trent-Severn Waterway
 
Environment Canada is forecasting another low-pressure system to move into southern Ontario, including Kawartha Conservation watershed, this evening.  Rain is expected to start overnight with total rainfall amounts of 20 to 30mm, which will taper off by Wednesday morning as the storm moves out of the region. Higher amounts may occur in localized areas as a result of thunderstorm activity. Air temperature is expected to stay above seasonal, reaching 14°C tomorrow.

Water levels and flows in local watercourses are elevated in response to the snowmelt and precipitation which occurred over the past weekend. Ground conditions are saturated. Snow cover has diminished considerably, especially at the southern portion of the watershed but pockets of snow still observed in shaded and forested areas.

Under these watershed conditions the forecasted rainfall combined with melting of the remnants of snow and saturated soils will result in increased runoff. While no major flooding is anticipated at this time, water levels and flows in local rivers and streams will continue to demonstrate higher and faster flows. Water accumulation may occur in low-lying areas, road ditches, and areas with poor drainage. All local watercourses should be considered extremely dangerous.

Kawartha Conservation is warning all residents to stay away from all water bodies, as well as water structures such as bridges, culverts, and dams. Children should be warned of dangerous conditions and caregivers should maintain a close watch on children who are outside.

Trent-Severn waterway officials are monitoring this current situation closely and will be adjusting dam settings throughout the system when the situation warrants. Staff from the Ministry of Natural Resources and Forestry are monitoring water levels of Burnt and Gull Rivers.

Municipalities are advised to monitor areas known for minor flooding and be prepared to respond to high water situations as they occur. As local municipalities are first to respond to and assist with flood emergencies, residents are advised to contact their municipalities should a flood threat develop.

This Watershed Conditions Statement-Water Safety will be in effect until Thursday, March 2nd, 2017.  Kawartha Conservation will continue monitoring local watercourses and notify the public and municipalities within its watershed jurisdiction of any changes. If you are aware of or have concerns about flooding, please contact Kawartha Conservation at 705.328.2271 or 705.344.0155 after hours.


Iryna Shulyarenko                                                           Dave Pridham                     
Hydrologist                                                                      Manager, Environmental & Technical Services


Watershed Conditions Statement – Water Safety is a general notice that existing or potential conditions pose a risk to personal safety.  Watershed Conditions Statements - Water Safety may be issued when streams are flowing at or near bankfull levels, when ice conditions are unsafe, or when stream banks are icy, soft and/or slippery.

Published in Flood Messages
Thursday, 23 February 2017 13:44

WATERSHED CONDITIONS STATEMENT - FLOOD OUTLOOK

Unseasonably warm temperatures, up to 13°C, have been observed in southern Ontario including Kawartha Conservation watershed over the past few days. Weather forecasting agencies predict that the daytime temperatures will remain above the freezing mark for the next week, exceeding long-term average values.

WATERSHED CONDITIONS STATEMENT - FLOOD OUTLOOK

DATE:    February 23, 2017           

TIME:    12:00 pm             

Message sent on the basis of information received from:

  • Kawartha Conservation Flood Forecasting Network
  • Ministry of Natural Resources - Surface Water Monitoring Centre
  • Environment Canada
  • Trent-Severn Waterway
 

Unseasonably warm temperatures, up to 13°C, have been observed in southern Ontario including Kawartha Conservation watershed over the past few days. Weather forecasting agencies predict that the daytime temperatures will remain above the freezing mark for the next week, exceeding long-term average values. Furthermore, a low system pressure is predicted to move into southern Ontario later tonight, bringing up to 15 mm of rain on Friday, Feb 24th for the Kawartha watershed.

Under these weather conditions, existing snowpack within the watershed have started melting, currently producing low to moderate runoff. In response, water levels in local rivers and streams have increased moderately, with the majority of watercourses still staying within their banks. According to monitoring observations in our four snow stations, the ground underneath the snowpack is unfrozen. However, as upper levels become saturated, the soil moisture adsorbing capacity is diminishing.

With the forecast weather, local watercourses will continue to demonstrate higher and faster flows, in response to the runoff from the melting snowpack and expected precipitation. While no major flooding is anticipated at this time, water accumulation is likely in low-lying areas, road ditches, and areas with poor drainage. Rivers and streams may reach or exceed in some locations, their bankfull conditions.

Under these circumstances, all local rivers, streams, and lakes are extremely dangerous. Riverbanks are slippery and unsafe. Ice cover, where it exists, is becoming unstable and hazardous. Kawartha Conservation is warning all residents to stay away from water bodies, as well as water structures such as bridges, culverts, and dams. Children should be warned of dangerous conditions and caregivers should maintain a close watch on children who are outside.

Trent-Severn waterway official are monitoring this current situation closely and will be adjusting dam settings throughout the system when the situation warrants. Staff from the Ministry of Natural Resources and Forestry are monitoring water levels of the Burnt and Gull rivers.

Municipalities are advised to monitor areas known for minor flooding and be prepared to respond to high water situations as they occur. Residents are advised to contact their municipalities should a flood threat develop. Local municipalities are first to respond to and assist with flood emergencies.

This Watershed Conditions Statement - Flood Outlook will be in effect until Monday, February 27th, 2017.

Kawartha Conservation will continue monitoring local watercourses and notify the public and municipalities within its watershed jurisdiction of any changes. If you are aware of or have concerns about flooding, please contact Kawartha Conservation at 705.328.2271 or 705.344.0155 after hours.

Iryna Shulyarenko                                                           Dave Pridham                   

Hydrologist                                                                       Manager, Environmental & Technical Services

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

Published in Flood Messages