Even with the varying weather conditions, including rain, warmer temperatures, followed by snow, the snowpack has increased by 6.9 cm while the snow water equivalence has decreased by 21.3 mm since the previous snow survey on February 28, 2025, reports the North Bay-Mattawa Conservation Authority (NBMCA) who measures snow depth and water content as part of its Flood Forecasting and Warning Program.
“The combined average snow depth is 55.7 cm and water equivalence is 116.3 mm at the three snow course locations”, said Angela Mills, NBMCA Water Resources Specialist. “This is within range of normal for early to mid-March, in contrast to last year’s near record low for the same period.”
NBMCA is now measuring the snowpack weekly, to monitor conditions leading up to and during the spring freshet. This is a supplementary survey; more data is required for comparison to historical conditions. Historical data will be included in the next snow survey which takes place March 14. A Snow Survey page on our website is available with more snow survey program information and this season's measurements. https://nbmca.ca/watershed-management/snow-survey/
Snow is measured for depth and water equivalence at three locations in the watershed.
North Bay Golf and Country Club (Chippewa Creek Watershed, North Bay)
|
Current Snow Depth for March 7, 2025 |
55.3 cm |
|
Current Snow Water Equivalence for March 7, 2025 |
121.0 mm |
|
Snow Depth for March 8, 2024 |
3.5 cm |
|
Snow Water Equivalence for March 8, 2024 |
18.0 mm |
Corbeil Conservation Area (La Vase River Watershed, Corbeil)
|
Current Snow Depth for March 7, 2025 |
54.7 cm |
|
Current Snow Water Equivalence for March 7, 2025 |
105.0 mm |
|
Snow Depth for March 8, 2024 |
1.8 cm |
|
Snow Water Equivalence for March 8, 2024 |
9.0 mm |
Shirley Skinner Conservation Area (Kaibuskong River Watershed, Chisholm)
|
Current Snow Depth for March 7, 2025 |
57.0 cm |
|
Current Snow Water Equivalence for March 7, 2025 |
123.0 mm |
|
Snow Depth for March 8, 2024 |
1 1.9 cm |
|
Snow Water Equivalence for March 8, 2024 |
10.0 mm |
The North Bay-Mattawa Conservation Authority (NBMCA) was founded in 1972 by the Province of Ontario. NBMCA is one of 36 Conservation Authorities in Ontario responsible for watershed management on behalf of local municipalities, stakeholders, and the province.
The public can follow NBMCA on the web at nbmca.ca, on X (Twitter) (@theNBMCA), Facebook (@theNBMCA) and Instagram (nbmcainfo).
For more information, contact:
Angela Mills, Water Resources Specialist (705) 497-4668
Paula Loranger, Community Relations Coordinator (705) 474-5420