Tag: meteorology

Dust devils

You see them mostly on hot, dry days, weaving along the edges of fallow fields: tall, snaking columns of whirling dust. They’re dust devils, and they’re coming under increasing study: not so much because of their effects on Earth but because they’ve also been seen on Mars, where they may threaten future landers. Even on …

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Air

A report this week that air pollution, particularly ground-level ozone, is a more serious problem in Canada than previously thought got me to thinking about this stuff that we breathe. What is air? It’s a question we don’t ask very often, because we generally take air for granted. Air is the mixture of gases comprising …

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Clouds

Cloud-watching is a favorite pastime of prairie people, probably because you can see them coming a long way off (clouds, that is, not people). “Nasty looking clouds over there,” we say, or “Looks like snow clouds blowing in,” or “I see a puppy dog. What do you see?” Whether you’re using clouds to forecast the …

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