Billow cirrus clouds

{
  "id": "MLC-T-MET-003907",
  "term": "Billow cirrus clouds",
  "field": "Meteorology and atmospheric science",
  "definition": "High-level clouds characterized by wave-like or ripple patterns, often appearing as parallel bands or rolls. These formations are indicative of Kelvin-Helmholtz instability, which occurs when there is a strong vertical shear in wind speed across a stable atmospheric layer. They are a type of cirrus cloud, composed primarily of ice crystals.",
  "url": "https://mlchart.com/terminology/meteorology/billow-cirrus-clouds/"
}