that the temper- 14. Clouds/rain: condensation from cooling via ascent. Suppose

Question

that the temper- 14. Clouds/rain: condensation from cooling via ascent. Suppose with a relative humidity of 70%. A storm forms overhead that ature outside is 302 K lifts a near-surface air parcel upwards. L= 9.5 K/km. At what altitude above the surface does the parcel become saturated? This altitude is called the "Lifted Condensation Level". For this problem, you may assume that the vapor pressure, e, remains constant as the parcel ascends. (In reality, the vapor specific humidity remains constant while the vapor pressure decreases (a) As the parcel rises, suppose that it cools at a lapse rate of slowly.) (b) Above the Lifted Condensation Level, the condensation of water releases heat into the parcel as it continues to rise. As a result, suppose that the parcel cools at a

Explanation / Answer

Relative humidity = 70% Tempperature = 302K Lapse rate = 9.5 K/km lifitng condensation level = (20 + T/5)(100-RH) = (20+ 302/5) x 170 = 80.4 x 170 =13668 km

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