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Articles sur Snow

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A leap and a plunge into the snow could earn this arctic fox its supper. Jupiterimages/PHOTOS.com via Getty Images

How do arctic foxes hunt in the snow?

Arctic foxes have a few special talents that help them sneak up on unseen prey and pounce.
The polar vortex influences the jet stream, which can bring cold winter weather to the U.S. and Europe. AP Photo/Bill Sikes

What exactly is the polar vortex?

The media often call unusually cold, snowy storms a ‘polar vortex.’ The real polar vortex isn’t coming down to visit the lower 48, but changes to the polar vortex can influence winter weather.
Permafrost is thawing across the Arctic, releasing microbes and organic materials that have been trapped in the frozen ground for thousands of years. NOAA via Wikimedia Commons

Thawing permafrost is full of ice-forming particles that could get into atmosphere

New research shows that permafrost contains huge amounts of particles that make it easier for cloud moisture to freeze. Thawing permafrost is releasing these ice-nucleating particles.
February 1969 afforded a spot of skiing for Nottingham residents. Photographer: Nottingham Post, courtesy: Nottingham Local Studies photographic collection

How British people weathered exceptionally cold winters

Food shortages, festivities and far-off fighting – Britain’s coldest winters were among its most memorable.
This Arctic heat wave has been unusually long-lived. The darkest reds on this map of the Arctic are areas that were more than 14 degrees Fahrenheit warmer in the spring of 2020 compared to the recent 15-year average. Joshua Stevens/NASA Earth Observatory

100 degrees in Siberia? 5 ways the extreme Arctic heat wave followed a disturbing pattern

The Arctic is warming about twice as fast as the planet as a whole, with serious consequences. Scientists have been warning about this for decades.
They may look comfy to sit on but you’d plummet through and hit the ground. Sam Schooler/Unsplash

What would it feel like to touch a cloud?

You might have already felt what it would be like inside a cloud made of condensed water vapor.
Residents of St. John’s, NL dig out after a major storm in January 2020. THE CANADIAN PRESS/Andrew Vaughan

Snow shovelling: Healthy exercise or deadly activity?

Shovelling snow is excellent exercise that works the upper and lower body. However, it’s important to remember that digging out from a storm pushes many people to their maximal fitness capacity.
Snow fell during the AFL match between the GWS Giants and the Hawthorn Hawks at the UNSW Canberra Oval. AAP Image/Lukas Coch

Snow at the footy? Just how unusual was last weekend’s weather?

Cold fronts swept south-eastern Australia, bringing snow and freezing temperatures. While snow is expected to decrease with climate change, cold snaps are likely to keep coming.
The air up high is just really bad at ‘holding’ onto the radiation coming from the Sun, and the warmth passes straight through it on its journey toward the ground. Kevin Spencer/flicr

Curious Kids: why is air colder the higher up you go?

It helps if you imagine the ground here on Earth as a big heater. It keeps us warm, and if you move away from the heater you feel cold.

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