Assertion: cirrostratus | /r/HasProperty | formed
Facets:
value: from the merging of cirrocumulus elements
type: CAUSE
value: as with other kinds of cirrus
type: OTHER
value: during periods of peaceful weather
type: TEMPORAL
Source sentences:
text: Cirrostratus clouds are formed during periods of peaceful weather, but their formation normally indicates that a period of fine weather is coming to an end.
text: As with other kinds of cirrus, it is formed when a moist air mass is lifted to a level where it cools to saturation and forms ice crystals.
text: When cool and dry air meets moist and warm air, cirrostratus clouds are formed.
text: But they can also be formed from the merging of cirrocumulus elements as well.