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An unsaturated air parcel has a temperature of 25°C at the ground level. The surrounding environmental temperature at the ground level is 24°C. Meanwhile, the dew point temperature is 9°C and the environmental lapse rate is 15°C/1000m. Can the air parcel rise to 2000 meters and form clouds when rising? Why or why not? If yes, at what elevation does the cloud start to form? (DALR = 10°C/1000m, MALR = 6°C/1000m)

User Carra
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1 Answer

11 votes

Answer:

See below for what I think is the answer

Step-by-step explanation:

If the air goes up 2000 ft it will cool by (given lapse rate 15/1000)

15 C * 2 = 30 C

then it will be 25 - 30 = -5C

so yes it will form clouds as this is below the dew point of 9 C

25 - 15/1000 x = 9 shows at x = 1067 m to reach dew point and cloud

User Janan
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