2) Compute the cloud liquid water content in kg/m3 for the following cloud: A .

Question

2) Compute the cloud liquid water content in kg/m3 for the following cloud:

A . A marine stratocumulus cloud containing 80 droplets/cm3 , each with a radius of 12 µm.

B. A continental stratocumulus cloud containing 250 droplets/cm3 , each with a radius of 7 µm.

C . Convert the liquid water content in the marine stratocumulus cloud to g(water)/kg(air).

D. If the marine stratocumulus cloud is 200 m deep, how deep would the continental stratocumulus cloud be if it contained exactly the same total liquid water as the marine stratocumulus cloud?

Explanation / Answer

(A) For marine stratocumulus cloud = 80*106*(4/3)*3.14*(12*10-6)3*1000

                                                           = 0.578*10-3 kg/m3

(B) For continental stratocumulus cloud = 250*106*(4/3)*3.14*(7*10-6)3*1000

                                                           = 0.359*10-3 kg/m3

(C) liquid water content in the marine stratocumulus cloud = 0.578*10-3*1000/1.225

                                                                                               = 0.4718 g(water)/kg(air)

(D) Depth of continental stratocumulus cloud = 0.578*10-3 *200/0.359*10-3

                                                                                        = 322 m

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