What does A02 mean on a METAR?

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Multiple Choice

What does A02 mean on a METAR?

Explanation:
In METAR coding, the remark AO2 shows that the station is automated and equipped with a precipitation sensor capable of differentiating precipitation types (rain, snow, etc.). This means the weather sensor can not only detect that precipitation is occurring but also identify its type, without needing a human observer. If it were AO1, the station would be automated but without a sensor that can distinguish precipitation types. So AO2 is the best answer because it explicitly describes both automation and a capable precipitation-sensing capability.

In METAR coding, the remark AO2 shows that the station is automated and equipped with a precipitation sensor capable of differentiating precipitation types (rain, snow, etc.). This means the weather sensor can not only detect that precipitation is occurring but also identify its type, without needing a human observer. If it were AO1, the station would be automated but without a sensor that can distinguish precipitation types. So AO2 is the best answer because it explicitly describes both automation and a capable precipitation-sensing capability.

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