Assertion: cirrus | /r/HasProperty | formed
Facets:
value: from atmospheric turbulence
type: CAUSE
Source sentences:
text: Cirrus clouds are formed when water vapor undergoes deposition at high altitudes where the atmospheric pressure ranges from 600 mbar at 4,000 m (13,000 ft) above sea level to 200 mbar at 12,000 m (39,000 ft) above sea level.
text: Cirrus clouds are formed when water vapor undergoes deposition and becomes ice crystals at the high altitude where they are formed.
text: A cirrus cloud is formed from atmospheric turbulence resulting from strong vertical alteration of wind direction.
text: Cirrus clouds are formed when water vapor freezes into ice crystals at altitudes above 8000 meters (26,000 ft).