Test 1

Question 1

Which international organization overseas the unification of meteorological information and observations?

Answer 1

World meteorological organization

Question 2

What is the title of the National organization that oversees the unification of meteorological information and observations?

Answer 2

National oceanic and atmospheric administration

Question 3

What is the freezing point of water in Fahrenheit?

Answer 3

32°

Question 4

What is the boiling point of water in Fahrenheit?

Answer 4

212°

Question 5

What is the boiling point of water in Celsius?

Answer 5

100°

Question 6

A millibar is a unit of

Answer 6

Pressure

Question 7

What are the layers of the earths atmosphere starting from the earth surface?

Answer 7

Troposphere, stratosphere, mesosphere, thermosphere

Question 8

What layer of the atmosphere contains the majority of weather phenomenon impacting Mariners?

Answer 8

Troposphere

Question 9

Which heavenly body greatly impacts the weather on earth?

Answer 9

The

Question 10

What is the percentage of oxygen in the air under normal conditions?

Answer 10

21%

Question 11

Under normal conditions what gas represents the majority of the earths atmosphere?

Answer 11

Nitrogen

Question 12

Heat can spread by which means?

Answer 12

Convection, Conduction, radiation

Question 13

Ascending and descending air masses with different temperatures as part of an important heat transmitting process in our atmosphere called

Answer 13

Convection

Question 14

The speed of sound is

Answer 14

1125.33 ft./s

Question 15

The appearance of nimbostratus clouds in the immediate vicinity of a ship at sea would be accompanied by what condition?

Answer 15

Rain and poor visibility

Question 16

Uniform, grayish white cloud sheets that cover large portions of the sky, and are responsible for a large percentage of the precipitation in the temperate latitudes are called

Answer 16

Altostratus

Question 17

Mackerel sky fair weather clouds

Answer 17

Cirrocumulus

Question 18

Thin white clouds known as mares tails

Answer 18

Cirrus

Question 19

The bases of middle clouds are located at altitudes between

Answer 19

6500 to 18000

Question 20

Which list of clouds in sequence from highest to lowest in the sky

Answer 20

Cirrostratus altostratus stratus

Question 21

Which cloud types give good indication of approaching weather?

Answer 21

Cirrostratus, cirrus, alto stratus (if accompanied by falling barometer), cumulus when large and unstable, nimbostratus

Question 22

Clouds are classified according to their

Answer 22

Altitude and how they were formed

Question 23

Rain that doesn’t make it to the ground is known as

Answer 23

Virga

Question 24

What type of clouds gives the appearance of a halo around the sun or moon?

Answer 24

Cirrostratus

Question 25

Cirrus

Answer 25

Thread

Question 26

Cumulus

Answer 26

Heap

Question 27

Stratus

Answer 27

Layer

Question 28

Nimbus

Answer 28

Gray rain cloud

Question 29

Fractus

Answer 29

Broken

Question 30

Name the 10 principal cloud types

Answer 30

``` Stratus ST Nimbostratus NS Stratocumulus SC Cumulus Cu Cumulonimbus Cb Altocumulus Ac Altostratus As Cirrus Ci Cirrocumulus Cc Cirrostratus Cs ```

Question 31

Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount it can hold at

Answer 31

A specific temperature

Question 32

When unsaturated air is forced to rise through the environment it cools at a constant rate of

Answer 32

1°C per 100 m or 5.4°F per 1000 feet

Question 33

Cloud formations are minimal when the

Answer 33

Surface temperature and temperature a loft or equal

Question 34

The dewpoint is reached when the

Answer 34

Air becomes saturated with water vapor

Question 35

The dewpoint temperature is

Answer 35

The temperature at which the air is saturated with water vapor

Question 36

The temperature to which unsaturated air must be cooled to become saturated is the

Answer 36

Dewpoint

Question 37

As the temperature for a given mass of air increases the

Answer 37

Dewpoint decreases

Question 38

Which conditions are necessary for the formation of dew?

Answer 38

Clear skies, calm air, earth surface cooler than the dewpoint of the air

Question 39

The region containing 3/4 of the mass of the atmosphere in the region to which Are confined such phenomenon as clouds storms participation and changing weather conditions is called the

Answer 39

Troposphere

Question 40

On a working copy of a weather map, a stationary front is represented by which color line?

Answer 40

Alternating red and blue

Question 41

The earths a regular heating is caused by

Answer 41

The time of day the season and geography

Question 42

Atmospheric pressure at sea level is equal to

Answer 42

29.92 inches of mercury

Question 43

And occluded front on a weather map is colored

Answer 43

Purple

Question 44

Alto cumulus clouds are defined as

Answer 44

Middle clouds

Question 45

Which type of weather can you expect soon after seeing hook or comma shaped cirrus clouds?

Answer 45

The formation of a tropical depression

Question 46

The expression the air is saturated means

Answer 46

The relative humidity is 100%

Question 47

Freezing salt water spray should be anticipated when the air temperature drops below what temperature?

Answer 47

28°F

Question 48

Which type of precipitation is a product of a violent convection found in thunderstorms?

Answer 48

Hail

Question 49

Clouds form

Answer 49

as a mass of warm humid air rises into the atmosphere and cools, condensing moisture into small droplets

Question 50

The low dark sheet like cloud which is associated with continuous precipitation for many hours is a

Answer 50

Nimbostratus

Question 51

In a weather report the term visibility expresses

Answer 51

How far you can see with the naked eye

Question 52

Ascending and descending air masses of different temperatures as part of an important heat transmitting process in our atmosphere called

Answer 52

Convection

Question 53

Good weather is usually associated with a region of

Answer 53

High barometric pressure

Question 54

What occurs when rising air cools to the dewpoint?

Answer 54

Clouds form

Question 55

What is a common unit of measure for atmospheric pressure?

Answer 55

Inches

Question 56

Fog forms when the air is

Answer 56

90% saturated with water

Question 57

What does water tend to do when cooled?

Answer 57

Condense

Question 58

Air circulation is caused or affected by

Answer 58

The rotation of the earth on the axis

Question 59

When a warm air mass is adjacent to a cold air mass the separation line between the two is called a

Answer 59

Front

Question 60

When cold air displaces warm air you have a

Answer 60

Cold front

Question 61

The fog most commonly encountered at sea is called

Answer 61

Advection fog

Question 62

Radiation fog

Answer 62

Dissipates during the evening

Question 63

The fog produced by warm moist air passing over a cold surface is called

Answer 63

Radiation fog

Question 64

The type of fog that occurs on clear nights with a very light breezes and forms when the earth calls rapidly by radiation is known

Answer 64

Radiation fog

Question 65

The weather front exists when

Answer 65

Air masses of different temperatures meet

Question 66

Which of the symbols shown represents a warm front?

Answer 66

A red line with red semi circles on top

Question 67

Advection fog is most commonly caused by

Answer 67

Warm moist air being blown over a cold or surface

Question 68

Fog is likely to occur when there is little difference between the dewpoint and the

Answer 68

Air temperature

Question 69

Fog generally a clears when

Answer 69

Wind speed increases wind direction changes and temperature increases

Question 70

On a weather map a cold front is represented by what color

Answer 70

Blue

Question 71

And a copy of the weather map is stationary front is represented by which color line?

Answer 71

Alternating red and blue

Question 72

Which type of rain is associated with airstream being forced to rise the Heights well above the condensation level?

Answer 72

Orographic rain

Question 73

In orographic rain, the arid side of the range of hills or mountains found on the Windward side

Answer 73

False

Question 74

Which category of frozen water is identified with black ice?

Answer 74

Glaze frost

Question 75

Which of the following condition causes reduced visibility due to smoke dust or sand being in the

Answer 75

Haze