weather

Disastrous duo: heatwaves and droughts

Published: 28Sep2020

Simultaneous heatwaves and droughts are becoming increasingly common in western parts of the United States, according to a new study led by researchers from McGill University. Periods of dry and...

Smog in Montreal

Published: 3Feb2020

A smog warning is still in effect for the Greater Montreal area Monday as high concentrations of pollutants are expected to infiltrate the air. According to Environment Canada, this could "result...

Pollution from Athabasca oil sands affects weather processes

Published: 18Nov2019

Scientists have been looking at pollution affecting the air, land and water around the Athabasca Oil Sands for some time. After looking at contaminants in snow taken from up-to 25 km away from the...

Mars, too, has macroweather

Published: 13Nov2014

Weather, which changes day-to-day due to constant fluctuations in the atmosphere, and climate, which varies over decades, are familiar. More recently, a third regime, called “macroweather,” has...

Harnessing the butterfly effect

Published: 18Aug2015

The atmosphere is so unstable that a butterfly flapping its wings can, famously, change the course of weather patterns. The celebrated “butterfly effect” also means that the reliability of weather...

Macroweather is what you expect

Published: 26Feb2013

While short-term weather is notoriously volatile, climate is thought to represent a kind of average weather pattern over a long period of time. This dichotomy provides the analytical framework for...

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