The snowpack across the watershed is dense and is expected to melt with the above freezing temperatures forecast for today (Dec 16) and tomorrow, combined with approximately 10 mm of rain overnight. Last week’s Watershed Conditions Statement – Flood Outlook remains in place through Wednesday when temperatures are forecast to return to below freezing.

NBMCA measures snow depth and water content as part of its Flood Forecasting and Warning Program

“Average snow depth for all sites is 17.4 cm (normal) and average water equivalence is 37.3 mm (normal),” said Angela Mills, NBMCA Water Resources Specialist. In 2023, the average snow depth for the three sites was 11.0 cm and water equivalence was 25.3 mm at this time of year” she added.

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)
*Data prior to Dec. 2011 collected at the former Northeast Mental Health Centre, Hwy 11                                 

Current Snow Depth for December 16, 2024

18.3 cm (normal)

Current Water Equivalence for December 16, 2024

43.0 mm (normal)

Snow Depth last year for December 16, 2023

14.6 cm

Normal Snow Depth

4.1 cm to 21.7 cm

Highest recorded snow depth for December 16 since 2012*

32.2 cm in 2018

 Corbeil Conservation Area (La Vase River Watershed, Corbeil) 

Current Snow Depth for December 16, 2024

   16.0 cm (normal)

Current Water Equivalence for December 16, 2024

   27.0 mm (normal)

Snow Depth last year for December 16, 2023

   10.2 cm

Normal Snow Depth

   8.1 cm to 29.3 cm

Highest recorded snow depth for December 16 since 1988

   43.2 cm in 1995

Shirley Skinner Conservation Area (Kaibuskong River Watershed, Chisholm) 

Current Snow Depth for December 16, 2024                

 17.9 cm (normal)

Current Water Equivalence for December 16, 2024

 42.0 mm (normal)

Snow Depth last year for December 16, 2023

Normal Snow Depth

 8.1 cm

 9.9 cm to 32.6 cm

Highest recorded snow depth for December 16 since 2007

 41.1 cm in 2010

The North Bay-Mattawa Conservation Authority (NBMCA) was founded in 1972 by the Province of Ontario and the NBMCA’s member municipalities. 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