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DETERMINATION OF MASS OUTFLOW FROM A THUNDERSTORM COMPLEX USING ATS III PICTURES.

机译:使用aTs III图片确定雷暴复合体的质量流出量。

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Presented in this paper are some preliminary results of the Tornado Watch Experiment, 1968. Two excellent cases of tornado outbreaks over the Midwest were photographed at 14-min intervals by ATS III. One of the cases occurred on April 19and was studied together with aerological and surface data,radar pictures,and cloud displacement computation from ATS pictures. It was found that there was little evidence of mesoscale divergence of high-cloud velocities prior to the storm formation. As the storm grew rapidly, a significant divergence at the anvil level modified the field of jetstream-cloud velocities. This preliminary study resulted in a number of new questions to be answered in the future rather than solving previously unanswered questions. It is expected that the 1969experiment to be conducted again by NASA and ESSA will include acquisition of radar and synoptic data so that our effort can be expanded toward the solution of complicated phenomena of severe-storm formation over the Midwest. (Author)

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