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Potential value of satellite cloud pictures in weather modification projects (1972)

Biswas, K. R.

In: CASI

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Publication Date: 2019-06-27

Description: Satellite imagery for one project season of cloud seeding programs in the northern Great Plains has been surveyed for its probable usefulness in weather modification programs. The research projects and the meteorological information available are described. A few illustrative examples of satellite imagery analysis are cited and discussed, along with local observations of weather and the seeding decisions made in the research program. This analysis indicates a definite correlation between satellite-observed cloud patterns and the types of cloud seeding activity undertaken, and suggests a high probability of better and/or earlier decisions if the imagery is available in real time. Infrared imagery provides better estimates of cloud height which can be useful in assessing the possibility of a hail threat. The satellite imagery appears to be of more value to area-seeding projects than to single-cloud seeding experiments where the imagery is of little value except as an aid in local forecasting and analysis.

Keywords: METEOROLOGY

Type: NASA-CR-128321 , R-72-9

Format: application/pdf

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Use of meteorological satellite observations in weather modification programs (1973)

Biswas, K. R. ; Smith, P. L., Jr. ; Dennis, A. S.

In: CASI

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Publication Date: 2019-06-27

Description: The potential value of weather satellite data in field operations of weather modification is appraised. It was found that satellites could play a useful role in operational weather modification projects, particularly in the recognition of treatment opportunities. Satellite cloud photographs and infrared observations appear promising in the identification of treatment opportunities in seeding orographic cloud systems for increased snowpack, in seeding convective clouds for increased rainfall, in identifying hail threats, and in tracking and observing hurricanes as an aid to timing and location of seeding treatments. It was concluded that the potential value of satellite data in the treatment and evaluation phases of operational projects is not as great as in the recognition of treatment opportunity.

Keywords: METEOROLOGY

Type: NASA-CR-131876 , REPT-73-6

Format: application/pdf

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