Characteristics of Mountain-Induced Thunderstorms and Cumulus Congestus Clouds from Budget Measurements

David J. Raymond Physics Department and Geophysical Research Center, New Mexico Institute of Mining and Technology, Socarro, NM 87801

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Marvin Wilkening Physics Department and Geophysical Research Center, New Mexico Institute of Mining and Technology, Socarro, NM 87801

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Abstract

Apparent mass, moisture and energy sources associated with individual cumulus congestus and thunderstorm clouds are measured using an instrumented aircraft. The results for thunderstorms are similar to those obtained by other investigators. Cumulus congestus clouds differ greatly from thunderstorms and show the important role of mixing in producing downdrafts. The thunderstorm profiles are strongly affected by precipitation-induced downdrafts.

Abstract

Apparent mass, moisture and energy sources associated with individual cumulus congestus and thunderstorm clouds are measured using an instrumented aircraft. The results for thunderstorms are similar to those obtained by other investigators. Cumulus congestus clouds differ greatly from thunderstorms and show the important role of mixing in producing downdrafts. The thunderstorm profiles are strongly affected by precipitation-induced downdrafts.

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