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Articles sur Weather

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Debris near Lebanon, Tennessee, after tornadoes struck on the night of March 3, 2020, killing more than 20 people across the state. AP Photo/Mark Humphrey

Wild weather: 4 essential reads about tornadoes and thunderstorms

With the onset of spring come thunderstorms, and sometimes tornadoes. Learn how these systems form and why night tornadoes are especially deadly.
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.
The jet stream can have a big impact on how long a plane ride will last. Aeroprints via Wikimedia Commons

Why does it take longer to fly from east to west on an airplane?

When planes fly from east to west, they are flying against a river of air called a jet stream. These air currents can make your flight longer or shorter, depending on which way you are going.
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.
Some places, like Nazaré Canyon in Portugal, produce freakishly huge waves. AP Photo/Armando Franca

What makes the world’s biggest surfable waves?

Some beaches in the world tend to consistently produce huge waves. Places like Nazaré Canyon in Portugal and Mavericks in California are famous for their waves because of the shape of the seafloor.

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