Wind direction arrows are a common feature of weather maps, and they can confuse newcomers to meteorology. These isobars are often printed with letters on a map to help you identify the difference. The arrows also join places that have equal air pressure (isobars). In addition, the arrows indicate the typical clockwise movement around high-pressure systems and anti-clockwise movement around low pressure. Weather maps often display arrows that indicate the direction of the wind. For example, a line pointing to the north with three feathers on the right side indicates a wind blowing from the south with a ![]() The orientation of the line shows the direction of the wind, while the number and shape of the flags or feathers indicate the wind speed. Wind barbs consist of a line with “flags” or “feathers” that indicate the direction and speed of the wind. ![]() Wind direction on a weather map is typically indicated by symbols called wind barbs or wind arrows.
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