Atmosphere Archives - CMOS BULLETIN SCMO

Yes, there is selenium in our atmosphere: a quick look into recent discoveries about its biogeochemical cycle.

Written on November 28, 2023.

– By Paul Heine – Figure 1. Schematic flux of atmospheric Se to soils. Selenium (Se) is an element with similar chemical properties compared to elements like sulfur. Just like sulfur, Se...

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 media...

Verification of Summer 2022 Canadian Temperature Forecasts from Four Different Organizations

Written on September 17, 2023.

– By George Isaac – Introduction The Canadian Public has access to weather forecasts from many diverse sources. However, it is difficult for the user to know the accuracy of such forecasts,...

The Evolution of Canada’s Weather Enterprise: 150 years Anniversary Symposium

Written on August 3, 2023.

– By Stella Melo, Mireille Chaput-Dyer and Paul Joe – Abstract The virtual CMOS-MSC Symposium on 150 Years of Weather Services in Canada, took place during the CMOS Congress in 2021. It...

Collaborating to Support Canadian Resiliency at CatIQ Connect

Written on January 9, 2023.

-By Caroline Floyd- Hurricane Fiona, flooding in British Columbia, massive hailstorms in Calgary – catastrophic events have increasingly captured Canadian headlines in recent years. Insured losses to...

The birth of the HAWC

Written on November 7, 2022.

-By Hind Al-Abadleh, Jean-Pierre Blanchet, Adam Bourassa, and Kaley Walker- On October 18, 2022, The Honourable François-Philippe Champagne, Federal Minister of Innovation, Science and Industry announced...

Early Exploration of the High Latitude Stratosphere Part II: Discovery of the Polar Night Jet Stream

Written on August 23, 2022.

Early Exploration of the High Latitude Stratosphere Part II: Discovery of the Polar Night Jet Stream WRITTEN BY CMOS BULLETIN SCMO ON AUGUST 23, 2022. POSTED IN ATMOSPHERE, PAST ISSUES, WHAT’S...

Early Exploration of the High Latitude Stratosphere Part I: Pre-World War II Era

Written on August 18, 2022.

Early Exploration of the High Latitude Stratosphere Part I: Pre-World War II Era WRITTEN BY CMOS BULLETIN SCMO ON AUGUST 18, 2022. POSTED IN ATMOSPHERE, PAST ISSUES, WHAT’S CURRENT. – By...

An overview of field work conducted on high-latitude mineral dust aerosol in the Ä’äy Chù Valley in Kluane National Park, Yukon

Written on August 7, 2022.

– By Arnold Downey – Mineral Dust Aerosol (MDA) is known to have an important influence on several environmental topics. Like all aerosol, MDA plays a role in the radiative balance of the atmosphere,...