Dubbed undulatus asperatus (turbulent undulation), the atmospheric anomaly could be headed where only 80-odd clouds have gone before: into theInternational Cloud Atlas. If it makes the cut, asperatus will be the first new addition in more than 50 years.

Dubbed undulatus asperatus (turbulent undulation), the atmospheric anomaly could be headed where only 80-odd clouds have gone before: into theInternational Cloud Atlas. If it makes the cut, asperatus will be the first new addition in more than 50 years.