When interpreting a METAR wind direction, which north is used as the reference?

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Multiple Choice

When interpreting a METAR wind direction, which north is used as the reference?

Explanation:
Wind direction in METAR is presented as the direction from which the wind blows, using degrees relative to true north. This provides a stable, universal reference because magnetic north changes with location and over time due to magnetic variation. By anchoring the observation to true north, METAR data remain consistent worldwide. Magnetic north would introduce variability, so the standard reference is true north.

Wind direction in METAR is presented as the direction from which the wind blows, using degrees relative to true north. This provides a stable, universal reference because magnetic north changes with location and over time due to magnetic variation. By anchoring the observation to true north, METAR data remain consistent worldwide. Magnetic north would introduce variability, so the standard reference is true north.

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