In this standardized list of ten cloud types, the ninth was the cumulonimbus .
To be on "cloud nine" meant you were on the tallest cloud in existence, physically and metaphorically "on top of the world". cloud nine - Wiktionary, the free dictionary Cloud Number Nine
Floating on Cloud Number Nine: From Science to Song The phrase "on cloud nine" (or sometimes "cloud number nine") is more than just a catchy idiom for extreme happiness. It is a linguistic artifact that bridges the worlds of 19th-century meteorology, diverse cultural traditions, and modern pop music. The Scientific Roots: Scaling the Skies In this standardized list of ten cloud types,
The most widely accepted origin story for the phrase traces back to the first edition of the in 1896. It is a linguistic artifact that bridges the
Cumulonimbus clouds are towering giants that can reach altitudes of 10 kilometers (over 30,000 feet), making them the highest-reaching clouds in the atmosphere.