Traditional Culture Encyclopedia - Weather forecast - What is the symbol of the wind?
What is the symbol of the wind?
Symbol: It consists of wind stems and wind feathers.
Wind handle: indicates the direction of the wind, with 8 directions.
Wind feather: 3 or 4 short strokes and triangles indicate strong wind, perpendicular to the right side of the wind pole (northern hemisphere).
1- horizontal 2: 1 vertical line 1 horizontal line.
Grade 3-4: 1 vertical bar, 2 horizontal bars.
Grade 5-6: 1 vertical bar, 3 horizontal bars.
Grade 7-8: 1 vertical bar, 4 horizontal bars.
Above level 8: 1 vertical bar 1 triangle is like a small flag.
Related information:
Wind has both magnitude and direction, so the wind forecast includes wind speed and direction. The magnitude of wind speed is usually expressed by wind grade. The level of wind is determined according to the degree of influence of wind on ground objects. Meteorology is generally divided into seventeen grades according to the magnitude of wind.
In the weather forecast, we often hear the expression "the north wind is 4 to 5", in which the wind refers to the average wind; If you hear the phrase "gust 7", gust refers to the wind with large and small speed, and the wind at this time refers to a wide range of winds.
In fact, in nature, the wind sometimes exceeds 12. For example, the central wind force of a strong typhoon or tornado may be much larger than the magnitude of 12, but the wind above the magnitude of 12 is rare, so the magnitude is generally not specified.
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