1.

Which one of the following is NOT a favourable condition for occurrence of a thunderstorm?

A. Conditional and convective instability
B. Adequate supply of moisture in the lower atmosphere
C. Advection of cold dry air in the lower troposphere and warm moist air in the upper troposphere
D. A synoptic situation of low level convergence and upper level divergence
Answer» B. Adequate supply of moisture in the lower atmosphere


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