also: なみじょううん
undulatus; wave cloud
A meteorological term for a cloud formation with a wavy, undulating pattern. Used in weather reports and scientific contexts.
Beautiful undulatus clouds are spreading across the sky today.
The weather forecaster explained the formation of wave clouds.
Stratocumulus, a low-level cloud that often exhibits undulatus formations; 波状雲 is the pattern, not a specific cloud genus.
Standard kanji spelling; the reading はじょううん is the most common.
Alternate reading; less common than はじょううん.
Compound of 波状 (wave-shaped) and 雲 (cloud). The reading はじょううん uses the on'yomi for the first two characters, while なみじょううん mixes kun'yomi and on'yomi.