Assertion: cirrostratus | /r/HasProperty | difficult
Facets:
value: to detect capable
type: OTHER
Source sentences:
text: It is difficult to detect and is capable of forming halos when the cloud takes the form of thin cirrostratus nebulosus.
text: Cirrostratus clouds can be difficult to see while cirrocumulus are denser and easy to spot; they look like high-flying cotton balls.