Polar Vortex - How it's formed & When it is dangerous | In-depth Explained
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- เผยแพร่เมื่อ 12 พ.ค. 2020
- In this video we'll learn what is polar vortex, i'll explain how it is formed and when it is dangerous. The science behind the polar vortex is that it occurs in the upper level of the Troposphere and extends up to Stratosphere. It is a low pressure cold wind that affects the regions Canada, the north eastern side of United States, Europe, and Russia during spring and summer season.
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There are so many other videos explaining this concept, but this is by far the best explanation on Polar vortex.
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Beautiful . I was able to understand it better because of your video on sub tropical high. As you were repeating the concept I was revising it and to my joy was able to recall everything. Credit goes to your simple and informative videos. So thank you for not only creating this video but the other video as well.
Another excellent explanation:
In the stratosphere, the temperature rises with altitude. Below the stratosphere, in the higher regions of the troposphere, the temperature drops with rising altitude. This reversal is caused by the ozone layer, which absorbs the ultraviolet light of the sun (Figure 1) and prevents it from entering and heating the troposphere. An increase in temperature contributes to the lowering of the pressure in the stratosphere and, therefore, the vortex force swirls the air counterclockwise and inward toward the pole. This helps to keep this cold and swirling body of air near the poles, and this phenomenon, we call the "polar vortex."
Below the stratospheric polar vortex, which forms only in the winter, is another vortex in the troposphere (up at around around 5 miles or 8 km) that operates year-round. It's larger in diameter and its boundary winds are more commonly called the "polar jet stream." This second vortex is usually referred to as the "polar vortex." The large difference in temperature between the air of the polar vortex and air further to the south, in the mid-latitudes, drives the polar jet stream
lines taken from this Link : www.controlglobal.com/articles/2019/understanding-the-polar-vortex-process/
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Polar Vortex is what i had asked for,
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In other words, the equatorial low and the polar high are thermally induced whereas the sub-polar low and the sub-tropical high are dynamically induced.
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Best discussion on polar vortex as in compare to other various youtube video.Thank you.
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Very good video. But, I need to know about when & why the jet stream reaches further south in the winter. Please make a follow-up video to cover this topic. Thank you.
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Sir, if you want more views on your videos, then also mention the sub topics which you are addressing inside a video (while explaining a larger topic). Ex here, title of video is "Polar vortex", but you've also very beautifully explained "Tricellular Model of Atm Circulation", so mention them also, it will then come in search results of those also who are searching for "Tricellular Model" and not Polar Vortex as such.
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