Cdc Volume 1-3. Self Test Questions.

Front 1

A thin layer of transition between stratosphere and mesosphere.

Back 1

Stratopause

Front 2

Excellent flying conditions exist because of a lack of weather in this layer.

Back 2

Stratosphere

Front 3

All our weather occurs in this layer/zone.

Back 3

Troposphere

Front 4

This layer has an average lapse rate of 6.5C per 1,000 meters.

Back 4

Troposphere

Front 5

Contains the "E" and "F" layers.

Back 5

Thermosphere

Front 6

Noctilucent clouds occur in this layer/zone.

Back 6

Mesosphere, Thermosphere

Front 7

Contains most of the ozone of the astmosphere.

Back 7

Stratosphere

Front 8

Layer of the earth's atmosphere extending from 262,000 feet infinity.

Back 8

Thermosphere

Front 9

The nacreous, or mother-of-pearl cloud, occurs in this layer.

Back 9

Stratosphere

Front 10

Average height of this layer, over the equator, is 10 miles.

Back 10

Tropopause

Front 11

Contains the "D" layer.

Back 11

Mesosphere

Front 12

An unstable layer of the earth's atmosphere.

Back 12

Troposphere, Mesosphere

Front 13

A thin layer of transition between the troposphere.

Back 13

Tropopause

Front 14

A thin layer of transition between the mesosphere and thermosphere.

Back 14

Mesopause

Front 15

Over the poles, average height of this layer is 5 miles.

Back 15

Tropopause

Front 16

Contains layers of electrons that reflect radio waves.

Back 16

Mesosphere, Thermosphere

Front 17

What is the catalyst for the formation of weather?

Back 17

Differential Heating

Front 18

As the angle of incidence increases, what happens to the concentration of solar radiation?

Back 18

It Decreases

Front 19

Name the two motions of the earth that have an effect on weather.

Back 19

Rotation and Revolution

Front 20

The angle of inclination combined with the revolution of the earth around the sun causes events?

Back 20

The Seasons

Front 21

When an equinox occurs, where is an equal amount of sunshine received?

Back 21

In Both Hemispheres

Front 22

What two atmospheric gases are responsible for absorbing incoming solar radiation?

Back 22

Oxygen and Ozone

Front 23

Which wavelengths are most susceptible to atmospheric scattering?

Back 23

The Shorter Wavelengths, Particularly Where Particles Are Less Than 0.5 Microns.

Front 24

Approximately how much of the incoming solar radiation is absorbed by the atmosphere?

Back 24

20 Percent

Front 25

Approximately how much solar radiation is reflected by the earth's surfaces.

Back 25

3 Percent

Front 26

Briefly describe conditions that cause a single-cell circulation pattern.

Back 26

Single-Cell circulation is the result of differential heating of a nonrotating earth with a smooth surface.

Front 27

What's the main driving mechanism responsible for the earth's large-scale atmospheric circulations?

Back 27

Unequal Heating

Front 28

Strong easterly surface winds are found beneath this cell.

Back 28

Polar Cell

Front 29

A strong coriolis force sharply alters wind direction.

Back 29

Hadley Cell, Polar Cell

Front 30

Circulation in this cell is interrupted by the exchange of polar air and tropical air.

Back 30

Ferrel Cell

Front 31

The cell most responsible for subtropical belt of high pressure.

Back 31

Hadley Cell

Front 32

Northeast trade winds are found beneath this cell.

Back 32

Hadley Cell

Front 33

The cell dominated by westerly flow at the surface and aloft.

Back 33

Ferrel Cell

Front 34

Strongest of the three cells.

Back 34

Hadley Cell

Front 35

Generally located between 30 and 60 degrees.

Back 35

Ferrel Cell

Front 36

The cell created by rising equatorial air.

Back 36

Hadley Cell

Front 37

Mean position is between 60 and 90 degrees.

Back 37

Polar Cell

Front 38

Upper-level flow in this cell is deflected eastward.

Back 38

Hadley Cell

Front 39

Which force is any force that causes a body to veer from a straight path.

Back 39

Centripetal

Front 40

If a bucket of water is swung perpendicular to the ground, what force keeps water in the bucket from falling out even when the bucket is upside down?

Back 40

Centrifugal

Front 41

In circular motion, what force acts against the inertia of the moving object?

Back 41

Centripetal

Front 42

What force causes objects to veer from their intended path on a rotation platform?

Back 42

Coriolis

Front 43

What are the four forces that dictate the general circulation pattern?

Back 43

Coriolis, Centrifugal, Frictional, Pressure Gradient

Front 44

Which force starts the horizontal movement of air over the earth's surface.

Back 44

Pressure Gradient

Front 45

Describe Contour Gradient Force.

Back 45

The force that represents PGF on a constant-pressure product. it's the rate of height change with change in distance on a constant-pressure surface.

Front 46

What kind of flow is created when PGF equals CoF?

Back 46

Geostrophic Flow

Front 47

What does Buy Ballot's Law state?

Back 47

In the Northern Hemisphere, if the wind is at your back, lower pressure is to your left and higher pressure is to your right.

Front 48

What can a pilot expect the wind direction and speed to do as the aircraft descends into an area of rough terrain? Why?

Back 48

The wind direction will back and the wind speed will slow due to increased friction.

Front 49

What's the difference between confluence and difluence?

Back 49

Confluence is th merging of wind flow, where as difluence is the spreading apart of wind flow.

Front 50

Where do winds deflect towards in a supergradient wind condition and what's happening to the air parcels?

Back 50

Towards higher heights; the parcels are converting kinetic energy to potential energy.

Front 51

A hurricane is an example of what kind of wind?

Back 51

Cyclostrophic wind.

Front 52

Briefly describe a Jet Stream.

Back 52

A narrow belt of strong