noun
International Cloud Atlas
Proper noun referring to the World Meteorological Organization's reference publication for cloud classification.
国際雲図帳は、雲の分類の国際的な基準を示している。
The International Cloud Atlas provides the international standard for cloud classification.
Compound of 国際 (international), 雲 (cloud), 図 (chart/diagram), and 帳 (book/register). The reading うんず is a less common reading of 雲図 (cloud chart).