Determine the air temperature and dew-point temperature for the air parcel at ea

Question

Determine the air temperature and dew-point temperature for the air parcel at each location (B-G) shown on the diagram.

At what elevation will clouds begin to form (with relative humidity = 100 percent)?

Compare the air temperatures at points A and G. Why are they different?

How did the water vapor content of the air change as the parcel of air traversed the mountain? (Hint: Compare dew-point temperatures).

On which side of the mountain might you expect lush vegetation, and on which side would you expect desert-like conditions?

Where in the United States might you find a situation like what is pictured here

4 km D. 3 km E. 2 km Windward Leeward 1 km Sea level A. Temperature at Point A = 27°C Dew point temperature at Point A = 17°C Dry adiabatic rate = 10°C/km Wet adiabatic rate = 5°C/km

Explanation / Answer

As the temperature decrease at DALR

At B, point A-10= 17

C= 17-5= 12 as the temperature decreases at MALR

D= 12-5=7 as the temperature decreases at MALR.

E= 7+10= 17 as the temperature increases at DALR

F= 17+10= 27 as the temperature increases at DALR.

G= 27+10=37 as the temperature increases at DALR

At point B clouds will be formed.

Watervapour condensed to the point of saturation (dew point temperature).

All tge rain will be falling towards in the windward side. Hence you can see lush vegetation here. . Dry air descends on the leeward side where its warmed by adiabatic compression at DALR

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