There are also weather symbols used to describe a weather observation system. The small circle in the middle of the observation plot describes current cloud cover. Connected to that circle is the wind barb. This explains which direction the wind is blowing, and the current wind speed. To the left of the wind/cloud circle is a weather symbol. This explains what form of precipitation is falling at that location. The line of numbers to the left of the wind/cloud circle includes current temperature, visibility, and dew point. The line of numbers to the right include barometric pressure, recent pressure trend, and amount of precipitation that has fallen in the last six hours.
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