What does "WND" represent in a METAR report?

In a METAR report, "WND" refers to wind speed and direction, which is crucial for understanding atmospheric conditions at an airport or weather station. The full code provides detailed information; for instance, it indicates both the wind direction, typically expressed in degrees from true north, and the wind speed, often measured in knots. This information is vital for pilots and meteorologists, as it influences flight operations, safety, and the dispersion of weather systems.

This choice encompasses all the essential aspects of wind reporting in aviation weather, making it the most informative option available. Other choices do not cover the dual aspects of wind reporting—such as wind direction and speed—thereby lacking the comprehensive detail needed to fully grasp METAR wind data.