Assertion: cirrostratus | /r/HasProperty | sign
Facets:
Source sentences:
text: Cirrostratus cloud sometimes signals the approach of a warm front if it forms after cirrus and spreads from one area across the sky and thus may be signs that precipitation might follow in the next 12 to 24 hours or as soon as 6–8 hours if the front is fast moving.
text: Cirrostratus clouds sometimes indication they come within reach of a humid front if they form after cirrus and extend from one region across the sky, and thus may be signs that precipitation might follow in the next 12 to 24 hours or as soon as 6–8 hours if the front is fast moving.
text: Cirrostratus clouds sometimes signal the beginning of a warm front and thus may be signs that precipitation might follow in the next 12 to 24 hours .