Homogeneous ice formation in convective cloud outflow regions

Homogeneous droplet freezing in the warm cirrus regime (230–240 K) is investigated along idealized convective cloud trajectories using a spectral parcel model developed to track droplet freezing events accurately. The novel model is described and used to study ice formation from rapidly ascending (v...

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Veröffentlicht in:	Quarterly journal of the Royal Meteorological Society 2017-07, Vol.143 (706), p.2093-2103
1. Verfasser:	Karcher, B
Format:	Artikel
Sprache:	eng
Schlagworte:	Air parcels Cirrus clouds Cloud condensation nuclei Cloud formation cloud microphysics Cloud water Clouds Condensation Convective clouds Crystals Detrainment Dimensions Droplets Freezing Heat exchange homogeneous freezing Humidity Humidity variations Ice Ice clouds Ice crystals Ice formation Latent heat Nuclei Nucleus numerical simulation Outflow Relative humidity Relative humidity variations Solubility spectral parcel model supercooled cloud droplets Supersaturation Velocity Vertical velocities Water droplets
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