13. Temperatures in a rising parcel of air are shown at various altitudes above.

Question

13. Temperatures in a rising parcel of air are shown at various altitudes above. The data indicate that a

       cloud must have formed at _____.

            a. 1 km

            b. 2 km

            c. 3 km

            d. 4 km

1. Driving along Shaw by Chestnut Avenue on a warm summer afternoon, what type of smoke plume you expect to see from the Dog House Grill smokestack?

a. Fanning; b. Fumigation; (c). Conning; (d) Looping; (e) Lofting

2. Under what atmospheric condition is fog most often formed in the San Joaquin Valley?

a. Neutral stability; (b) conditionally unstable stability; (c) Unstable stability; (d) Stable stability

3. What type of lapse rate can be determined from temperature measurements made from an aircraft ascending from the surface to a height of 3,000 m?

    (a). dry adiabatic lapse rate; (b). environmental lapse rate ; (c). moist adiabatic lapse rate;

     (d). inversion lapse rate

4. The San Joaquin Air Pollution Control District (SJAPCD) does not permit burning when it is determined the stability in the lower atmosphere is ______________

Stable; (b) unstable; (c) neutral; (d) conditionally unstable; (e) none of the above

5. Which atmospheric stability condition is more likely to increase pollution level in Fresno?

a. unstable atmosphere;   b. conditionally unstable atmosphere;    c. stable atmosphere

   d. neutral atmosphere

6. Which stability condition is more likely to enhance dispersion of pollutants in Fresno?

a. unstable atmosphere;    b. conditionally unstable atmosphere; c. stable atmosphere

d. neutral atmosphere

7. What lifting mechanism accounts for clouds often seen over the mountain east of Clovis?

Convection; (b) convergence; (c) orographic lifting; (d) frontal lifting

8. If the temperature at Fresno airport is 100 oF and the environmental lapse rate is 10oF per 1000 feet, what is the temperature at the foothill with elevation of 1000 feet

78 oF; (b) 70 oF; (c) 84 oF; (d) 90 oF; (e) none of the above

9. One of the reasons for reduced precipitation amount in the San Joaquin Valley is because the region is located on the ________side of the coastal range

windward; (b) leeward ; (c) northern ; (d). eastern

Explanation / Answer

13) The temperature at cloud level is often below 0 ºC.So at 3 km the temperature is -2 degrees celsius which is below zero.

so cloud must have formed at _____.

                  c. 3 km

________________________________________________________________________________

1 d

.Looping: Associated with clear daytime conditions accompanied by strong solar heating & light winds

_________________________________________________________________________________

2. d

stable atmosphere   leads to overnight and morning fog.

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