Winter curiosities that will surprise you

winter

El winter It is one of the seasons of the year during which the weather invites you to put on warm clothes and enjoy the landscapes covered by snow. But have you ever wondered why it is less cold when it snows? Or why does the wind whistle?

We are going to talk about these and other curiosities in this article. Find out more about this season that we have just started.

Why does the wind make a sound?

On many winter days - and, really, all year long - the wind can blow quite hard. In doing so, if it runs into an obstacle, for example a blind, it will produce a small acceleration since the zone of passage of the air in movement narrows.

Why is it less cold when it snows?

This, although it seems that not, has a scientific explanation, and it is this: snowflakes, which are made up of ice crystals, trap water vapor as they fall, and that vapor turns into ice. The passage from the gaseous state (water vapor) to the solid (ice) releases heat.

Why are clear winter nights so cold?

If you are fond of astronomy, you are sure to enjoy the magnificent winter skies. They are clear, they look clean, ... but it is breathtakingly cold. Why? Because there are no clouds. The cloud cover prevents the heat received during the day, the infrared radiation, from dissipating, and of course, if there are no clouds, the radiation is lost.

How is the wind chill calculated?

The thermal sensation is the cold or heat that we perceive regardless of the real temperature. This thermal difference between the skin and the environment is determined by the environmental humidity, the speed and direction of the wind, the cloudiness, among others. (you will find more information in this article). So, for example, if the thermometer shows 10ºC, the sky is clear and there is no wind blowing, we would feel a bit cold, 7,5ºC.

people-skiing

Have a good winter 🙂.


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