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52:3 ·
Signs like these are used in meteorology to indicate winds of different strengths. The strength of the wind is shown by the number of bars on the side of the arrow. The signs shown here denote weak winds and storm respectively. |
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52:3 ·
Signs like these are used in meteorology to indicate winds of different strengths. The strength of the wind is shown by the number of bars on the side of the arrow. The signs shown here denote weak winds and storm respectively. |
