## Abstract Aircraft observations of droplets greater than 100 ΞΌ diameter in 20 low layer clouds indicate that these drops can occur in concentrations of approximately 0Β·1 per litre to 10 per litre in clouds of 1,000 ft (300 m) to 7,000 ft (2,100 m) thickness. These observations are presented toget
Observations of rain from non-freezing clouds
β Scribed by E. J. Smith; C. H. B. Priestley
- Publisher
- John Wiley and Sons
- Year
- 1951
- Tongue
- English
- Weight
- 865 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0035-9009
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β¦ Synopsis
Abstract
A description is given of observations made in southβeast Australia of medium and heavy rain falling from clouds which were everywhere warmer than 0Β°C. Detailed observations were made visually from aircraft and these were supplemented by measurements of the radar echo intensities and drop size spectra within the clouds.
The clouds were all deep cumulus and were over or near the sea. Great concentrations of relatively large water drops were observed in the upper levels of the clouds.
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A new method for the delineation of precipitation during night-time using multispectral satellite data is proposed. The approach is not only applicable to the detection of mainly convective precipitation by means of the commonly used relation between infrared cloud-top temperature and rainfall proba
## Abstract Observations from aircraft of the Meteorological Research Flight flying near stratocumulus clouds showed steep inversions and hydrolapses directly above the tops of the clouds. Turbulence was encountered below and in the clouds and up to 300 ft above the cloud top. Above this level no t