In Memoriam: Wayne Evans

Dr. Wayne Evans, Adjunct Professor in the Centre for Research in Earth and Space Science (CRESS) at York University from 1976 onwards, passed away in Seattle, Washington on April 27th, 2019. Although he never held a faculty position at York, during his time at Environment Canada and Trent University he maintained continued collaborations with CRESS, and contributed a great deal to its research activities.

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Photo shows a smiliing Bob Kochtubajda, caucasian man, balding with glasses, for his article on the 2014 wildfire season in the NWT

Extreme 2014 wildfire season in the Northwest Territories

– By Bob Kochtubajda1, Ron Stewart2, Mike Flannigan3, Barrie Bonsal1, Charles Cuell4, and Curtis Mooney1

1. Environment and Climate Change Canada; 2. University of Manitoba, Winnipeg, MB; 3. University of Alberta, Edmonton, AB; 4. CHMR Climate Resilience Consulting, Kaslo, BC.

Media reports around the world have highlighted the extreme and unprecedented nature of wildfires in recent years (e.g. Chile 2017, Portugal 2017, Greece 2018, California 2017 and 2018). In Canada, the 2016 Fort McMurray wildfire was the third largest in Alberta’s history and became the costliest natural disaster in Canadian history,

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banner image showing 3 maps of a seasonal forecast for north america based on CanSIPS and CFSv2 combined forecasts.

The White Space Project: A Geographically Continuous Seasonal Forecast for North America

– By Marko Markovic1, Zeng-Zhen Hu2, Bertrand Denis1, Arun Kumar2 and Dave DeWitt2

(1) Environment and Climate Change Canada, Meteorological Service of Canada, 2121 Transcanada Highway, Dorval, Canada; (2) Climate Prediction Center, NOAA/NWS/NCEP, College Park, Maryland, USA.

The CanSIPS-CFSv2 seasonal forecast, or “The White Space Project,” is a joint effort by Environment and Climate Change Canada (ECCC) and National Oceanic and Atmospheric Administration (NOAA) to deliver a geographically continuous seasonal forecast over the North American continent.

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William (Bill) Andrew Gault, 1939-2018

William (Bill) Andrew Gault was born in Ottawa on May 25, 1939 and received his B.Sc. from Carleton University in 1961. In 1967 he completed a thesis entitled “A Study of the Twilight Airglow Emissions of Sodium, Lithium, And Potassium”. His career was dedicated to the development of new instruments for the observation of the aurora and airglow

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Microscopic image of different kinds of pollen. Some are small and round, others are larger and with spikes.

Pollen, Chemistry and Clouds

– By Ellen Gute, Abbatt Research Group, University of Toronto –

Clouds are a crucial part of our Earth’s atmosphere as they redistribute water resources and contribute to the atmosphere’s radiative forcing (Pruppacher and Klett 1997; Lohmann 2006). Ice is present in many clouds and is known to play a central role in precipitation formation. Despite the important role in climate, processes associated with clouds represent some of the largest uncertainties in climate models

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Atmospheric Phenomena: From Green Flashes to Red Sprites

– By Jim Young, RWDI and Jim Young Atmospheric Services Inc. –

Summer is here with its long warm days and clear nights, for a lot of the time. And what could be better than an atmospheric phenomenon or two to point out to your friends. You may become the hit of an evening beach party.

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The MOPITT Terra spacecraft launch showing the Atlas IIAS lift-off on 18th December 1999 (Photo credit: Jim Drummond)

MOPITT, Atmospheric Pollution, and Me: A Personal Story

– By Jim Drummond, Principal Investigator for the Measurements Of Pollution in The Troposphere (MOPITT) instrument on the Terra satellite –

It’s 1987 and I have just bought my first personal computer – an IBM PC clone running at a stunning 8MHz! I’m also on sabbatical at the National Center for Atmospheric Research (NCAR) in Boulder, Colorado,

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