Abstract

Large amount of both historical and modern indices calculated from radio-souding data was developed for the storm prediction. In this work we processed 75 storm indices and other parameters, which could potentially be connected with the storm development. First part of the article is devoted to the effectivity of particular indices with special emphasis on the comparison of various modifications of the convective available potential energy (CAPE). Afterwards there were examined possibilities of the use of various combinations of indices and other parameters, and benefits of these combinations for the thunderstorm forecast. The forecast of the afternoon storms based on midday soundings is analysed in detail, as for this time point, a combination of indices has apparently the biggest benefit.

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