Which set of conditions, working together, will make the atmosphere the most sta

Question

Which set of conditions, working together, will make the atmosphere the most stable?

            a. cool the surface and warm the air aloft

            b. cool the surface and cool the air aloft

            c. warm the surface and cool the air aloft

            d. warm the surface and warm the air aloft

A neutral stability occurs in the atmosphere when

     a. environmental lapse rate is greater than dry adiabatic lapse rate

     b. dry adiabatic lapse rate is less than environmental lapse rate

     c. moist adiabatic lapse rate is less than environmental lapse rate.

     d. dry adiabatic lapse rate equal environmental lapse rate.

     e. none of the above

Cloud droplets will remain suspended in air as long as

a. their diameters are less than 0.02 mm

b. the updraft speed is larger than the terminal velocity

c. the drag force is greater than the gravitational force

d. all of the above

Hailstones that form via the dry growth regime typically have what characteristic?

a. they have smooth surfaces.

b. they are opaque or milky white.

c. they are solid ice with no air bubbles.

d. the surface temperature of the hailstone is above 0°C.

Which season’s precipitation is the key to drought in the western United States?

a. winter; b. spring; c. summer; d. autumn

Which of these forces does not control the wind?

a. Gravitational force

b. Coriolis force

c. Pressure gradient force

d. Frictional force

e. electrostatic force

45. Which of the following is not true about the Pressure Gradient Force?

a. it is directed from high to low pressure

b. it is responsible for triggering the initial movement of air

c. it is always perpendicular to the isobars

d. it is strongest where isobars are closer together

e. it is zero at the equator

46. Which statement is false?

a. Air initially moves horizontally in response to the pressure gradient force.

b. The frictional force is directed opposite the direction of air motion.

c. The Coriolis force is directed to the right of the air motion in the Northern

       Hemisphere.

d. The gravitational force is directed opposite the air motion in the Northern

      Hemisphere.

50. Which of the following statements is false

a. The Coriolis force is zero at the equator

b. The Coriolis force deflects air parcels to the right in the northern hemisphere

c. The strength of the Coriolis force decreases with increasing latitude

d. The Coriolis force does not change the speed of moving air parcel  

Explanation / Answer

Answer 1). a- Cool the surface and warm the air aloft.

Answer 2). d- Dry adiabatic lapse rate eual environment lapse rate.

Answer3). d- All of the above.

Answer 4). b- They are opaque or milky white.

Answer 5). a- winter.

Answer 6). e- Electrostatic force.

Answer 45). e- It is zero at the equator.

Answer 46). d- The gravitational force is directed opposite the air motion in the northern hemisphere.

Answer50). c- The strength of the coriolis force decreases with increasing latitude.

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