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Decoding Japanese METARs

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Decoding Japanese METARs

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Old 13th Dec 2018, 13:21
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Decoding Japanese METARs
Anybody know what the items "1ST005 4ST010 7AC100" mean in the remarks section of the METAR below?

RJCC 121100Z 34015KT 9999 FEW005 SCT010 BKN100 M03/M05 Q1013 RMK 1ST005 4ST010 7AC100 A2993
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Old 13th Dec 2018, 13:27
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I think it’s an expansion of the METAR giving cloud type and cover in octas. 4ST010 = 4 octas stratus at 1,000’, 7AC100 = 7 octas altocumulus at 10,000’...
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Old 13th Dec 2018, 13:36
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Originally Posted by FullWings
I think it’s an expansion of the METAR giving cloud type and cover in octas. 4ST010 = 4 octas stratus at 1,000’, 7AC100 = 7 octas altocumulus at 10,000’...
That makes sense, thank you!
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