Relationship between the Visual Appearances of Thai Supercooled Convective Clouds and their Maximum Cloud Liquid Water Contents
AbstractA relationship between the visual "hardness" of a cloud and its maximum cloud water content has been derived for the supercooled convective clouds of Thailand. The measurements were made in 610 clouds over 70 days of cloud studies. The sampling temperatures ranged between -6°C and -10°C. Cloud liquid water was estimated using a Johnson-Williams type hot wire. Cloud hardness was rated several weeks after the cloud flight, using flight video tapes. The study verifies the common assumption that "harder" clouds have higher cloud water contents. The linear correlation coefficient is 0.75. The potential utility of these results in tropical third-world countries is discussed.
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