## Abstract Cloud particles of diameters greater than about 100 ΞΌ can be sampled from an aircraft by exposing within the cloud a thin aluminiumβfoil surface to the airstream and counting and sizing the indentations made on it. A series of flights has been made through cumulus clouds using this tech
The physics of precipitation in cumulus clouds
β Scribed by Roscoe R. Braham
- Publisher
- Springer
- Year
- 1956
- Tongue
- English
- Weight
- 701 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0033-4533
No coin nor oath required. For personal study only.
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## Abstract In a fairβweather cumulus, the largest droplets, which are of 18 microns radius, grow too slowly by differential settling to become precipitation (although the time to reach raindrop size from 50 ΞΌ, for instance, would be comparatively short). Even at 18 ΞΌ their terminal speed is suffic
## Abstract Data collected with a ground radar and an instrumented aircraft during the Small Cumulus Microphysics Study (SCMS) are analysed to examine the physical processes that control the onset of precipitation. On 10 August 1995, the MΓ©tΓ©oβFrance MerlinβIV successively sampled the core of the t
## Abstract The model of the development of the droplet spectrum in cumulus clouds described by Mason and Jonas (1974) has been used to calculate the spectrum in penetrating downdraughts and the changes which occur when a region of dry air resulting from such a downdraught is subsequently forced to