Climate Archives - CMOS BULLETIN SCMO

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)...

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...

The Billion Dollar Calgary Hailstorm of 13 June 2020, Part I: Overview

Written on September 18, 2024.

– By Paul Joe, Ronald E. Stewart, and Sudesh Boodoo – Abstract A radar analysis of the Calgary hailstorm of 13 June 2020 is presented. Insured damages in the City of Calgary were...

CMOS Congress Outstanding Presentations

Written on August 26, 2024.

On June 3-6, 2024, the 58th annual Canadian Meteorological and Oceanographic Society Congress was held virtually with help from the Winnipeg Centre and the BC Interior-Yukon Centre. The theme of...

A Way Forward on the Climate Crisis

Written on May 14, 2024.

– By Geoff Strong and Richard van der Jagt – Time is short for gaining control over our climate before it hits a tipping point, after which we lose the opportunity to turn things...

Impact of different types of La Niña development on the precipitation in the Maritime Continent

Written on April 8, 2024.

– By Shanshan Zhong, Yuzhi Zhang, and Leishan Jiang – Research motivation The Maritime Continent (MC), located in the tropical region (10°S-20°N, 90°E- 150°E) , is the largest center of...

Weaving Indigenous and western ways of knowing can help Canada achieve its biodiversity goals

Written on February 20, 2024.

– By Lydia Johnson and Diane Orihel – This article was originally published on the Conversation under the Creative Commons License. The health of wildlife in Canada is socially,...