Study of the Development of an Extremely High Cumulonimbus Cloud (Andhra Pradesh, India, September 28, 2004)

T. W. Krauss, A. A. Sinkevich, N. E. Veremey, Yu. A. Dovgalyuk, and V. D. Stepanenko

Development of a cumulonimbus cloud with its top above 18 km in central India is analyzed. The process is observed with a radar. A 1.5 D numerical model is used to simulate the cloud development. The cloud produced very low radar echo, which implies that large cloud particles were absent. Both observations and simulation show that an extremely intense growth of the cloud was associated with its merge with feeder cells. The seeding of feeder cells caused a change in the direction of the cloud movement.

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