News & Events Archives - CMOS BULLETIN SCMO

MOPITT at twenty-five: celebrating a quarter century of science

Written on July 8, 2025.

– By Paul Jeffery – MOPITT: A brief history Figure 1: Highlighted metrics from MOPITT publications. Figure courtesy of the Canadian Space Agency. National Aeronautics and Space...

Compound Climate Hazards are on the Rise: The Co-Occurrence of Wildfire Smoke and Extreme Heat Events in British Columbia

Written on July 8, 2025.

– By Stephanie Cleland – Figure 1. The number of days with a co-occurring wildfire smoke and extreme heat event between 2010-2022. The number of days are calculated for each community...

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...

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...

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...

The Great Smoke Pall of 1950 and Other “Dark Days” that have Blanketed Eastern North America

Written on September 24, 2023.

– By Kevin Hamilton – The extraordinary 2023 Canadian wildfire season has been in the public eye for much of this spring, but during June 7-8 the event entered a new phase of global...