Last Updated
：2025/11/21
octa
Noun
Japanese Meaning
気象学において、空が曇っている割合を8分割して示す尺度です。1オクタは空の1/8が曇っていることを意味し、2オクタは1/4が曇っていることを示します。
（ plural ）
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(meteorology) The proportion of the sky that is obscured by clouds, in eighths (one octa means that one eighth of the sky is obscured, two octas that one quarter is obscured, and so on).
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octa
The METAR recorded three octa of cloud cover over the airfield at dawn.
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The METAR recorded three octa of cloud cover over the airfield at dawn.
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