Blog - CMOS BULLETIN SCMO

Ocean Science, Ships and Sovereignty

Written on June 27, 2025.

– By Douglas W.R. Wallace – The sudden, but not unexpected, decommissioning in January 2022, of the Canadian Coast Guard’s East Coast research vessel CCGS Hudson, following a long...

The possible role of icebergs in the origin of the North Atlantic Cold Blob

Written on June 27, 2025.

– By David Allan and Richard Allan – Many people with an interest in ocean science will have come across the Cold Blob or ‘warming hole’, a region between the main North Atlantic...

Call for Papers – 2025 CMOS-CGU Joint Congress

Written on February 10, 2025.

Abstract submission deadline: February 16, 2025 The overall theme of the Congress is Resilient Futures. The Congress will bring together a wide range of scientists and other professionals with a...

Documenting Environmental Change in Nunatsiavut through Inuit Knowledge: The Nunatsiavut Sea Ice Observer Program

Written on January 26, 2025.

– By Emma Harrison – “On this date in 1988, I crossed over Lake Melville on a snowmobile. I hope I’m totally wrong, but all indications are we’re heading into another late season.” ...

Synoptic-scale weather patterns associated with extreme precipitation regimes during the eastern North American winter

Written on November 11, 2024.

– By Yeechian Low – Introduction and Motivation Figure 1: a): Map of eastern North America, depicted by the brown shading in the black box. b): Total precipitation (shaded, in mm)...

Lessons learnt from Beyond the Horizon: a remotely operated field campaign

Written on November 11, 2024.

– By Muriel Dunn and Martin Ludvigsen – Figure 1: Field campaign took place in Mausund (blue start) while researchers and vehicle operators were participating from Trondheim (red...

Particulate Matter: A Milton Case Study

Written on October 6, 2024.

Introduction Particulate matter (PM), including PM1, PM2.5, and PM10, represents a risk to human health at elevated levels. Xu et al. suggest that PM concentrations can vary greatly due to...

The Billion Dollar Calgary Hailstorm of 13 June 2020, Part III: Hail Size and Weather Modification Aspects

Written on September 18, 2024.

– By Paul Joe – Abstract On 13 June 2020, a hailstorm caused $1.2B of damage in a 10-15 km2 area in northeast Calgary within a 20 minute period. A radar-based overview of the storm’s...

The Billion Dollar Calgary Hailstorm of 13 June 2020, Part II: Explosive Growth, Merging and the Meso-Front

Written on September 18, 2024.

– By Paul Joe, Ronald E. Stewart, and Sudesh Boodoo – Abstract An overview of the Calgary billion dollar hailstorm of 13 June 2020 was previously presented. This extreme storm was...