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Commercial Pilot > Chapter 3 - Weather > Flashcards

Chapter 3 - Weather Flashcards

(75 cards)

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1
Q

What is the primary source of weather information for pilots?

A

METAR reports

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2
Q

True or False: TAF stands for Terminal Aerodrome Forecast.

A

True

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3
Q

Fill in the blank: The ____ scale is used to measure wind speed.

A

Beaufort

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4
Q

What type of weather phenomenon is characterized by a rapid drop in pressure?

A

Tropical cyclone

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5
Q

What does the acronym SIGMET stand for?

A

Significant Meteorological Information

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6
Q

What is the main purpose of a PIREP?

A

To provide pilots with real-time weather conditions

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7
Q

True or False: A cold front typically brings clear skies.

A

False

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8
Q

What does the ‘C’ in Cumulonimbus clouds signify?

A

Vertical development and the potential for thunderstorms

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9
Q

What is the definition of visibility in aviation weather?

A

The distance at which objects can be clearly seen

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10
Q

What type of weather report is issued for hazardous weather conditions?

A

SIGMET

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11
Q

Which cloud type is associated with severe weather?

A

Cumulonimbus

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12
Q

True or False: Wind shear is only a concern at low altitudes.

A

False

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13
Q

What is the significance of a TAF report?

A

It provides a forecast for weather conditions at an airport.

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14
Q

What does a red circle in a weather radar image typically indicate?

A

Heavy precipitation

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15
Q

What phenomenon occurs when warm, moist air rises and cools?

A

Cloud formation

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16
Q

Fill in the blank: The standard temperature at sea level is ____ degrees Celsius.

A

15

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17
Q

What is the primary cause of turbulence?

A

Irregular air movement

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18
Q

What does the term ‘dew point’ refer to?

A

The temperature at which air becomes saturated with moisture

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19
Q

True or False: High pressure systems are generally associated with poor weather.

A

False

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20
Q

What is the main function of weather radar?

A

To detect precipitation and storm intensity

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21
Q

What type of cloud is typically layered and associated with overcast skies?

A

Stratus

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22
Q

What does the term ‘frost’ indicate in aviation weather?

A

The formation of ice crystals on surfaces

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23
Q

What is the effect of a temperature inversion?

A

It can trap pollutants and lead to poor visibility.

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24
Q

What is the primary purpose of an ATIS report?

A

To provide continuous information on weather and runway conditions

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25
Fill in the blank: The wind direction is reported in degrees from ____.
True North
26
What does the term 'ceiling' refer to in aviation weather?
The height of the lowest layer of clouds
27
True or False: Fog can significantly reduce visibility.
True
28
What is a common indicator of an approaching cold front?
A sudden drop in temperature
29
What type of weather is typically associated with a warm front?
Gradual increase in temperature and steady rain
30
What is the main hazard associated with thunderstorms?
Severe turbulence and lightning
31
What does a stable atmosphere indicate?
Little vertical movement of air and less likelihood of turbulence
32
Fill in the blank: A squall line is a line of thunderstorms that can produce ____ winds.
Severe
33
What is the purpose of a weather briefing?
To inform pilots about current and forecasted weather conditions
34
True or False: Altostratus clouds indicate stable weather conditions.
False
35
What is the significance of a weather advisory?
It warns pilots of potential weather hazards.
36
What is the main characteristic of a low pressure system?
Rising air and potential for precipitation
37
What does the term 'wind chill' refer to?
The perceived decrease in temperature due to wind
38
What weather phenomenon is characterized by a rotating column of air?
Tornado
39
Fill in the blank: The primary cause of thunderstorms is ____ lifting.
Convective
40
What is the impact of crosswinds on takeoff and landing?
They can make these maneuvers more challenging.
41
True or False: Haze can improve visibility.
False
42
What does the term 'Turbulence' refer to?
Irregular or violent motion of air
43
What does a METAR report include?
Current weather conditions at an airport
44
What is the significance of cloud cover in aviation?
It affects visibility and flight operations.
45
What does the term 'freezing level' refer to?
The altitude at which temperatures drop to 0 degrees Celsius
46
Fill in the blank: The primary source of moisture for weather systems is ____.
Evaporation
47
What is the role of the jet stream in weather patterns?
It influences the movement of weather systems.
48
True or False: Severe thunderstorms can produce hail.
True
49
What does a weather front signify?
A boundary between two air masses
50
What is the primary effect of high humidity on weather?
Increased likelihood of precipitation
51
Fill in the blank: The term 'VFR' stands for ____ Flight Rules.
Visual
52
What is the impact of low visibility on flight operations?
It can lead to delays and require instrument approaches.
53
What do cumulonimbus clouds indicate?
Severe weather, including thunderstorms
54
True or False: A weather balloon is used to measure temperature and humidity at various altitudes.
True
55
What is the effect of altitude on temperature?
Temperature generally decreases with altitude.
56
What is a common sign of an approaching storm?
Darkening skies and increased wind
57
Fill in the blank: The term 'wind direction' is reported in degrees from ____.
True North
58
What is the primary cause of fog formation?
Cooling of air to its dew point
59
What does the term 'overcast' mean?
Sky covered by clouds
60
True or False: A weather advisory is a less severe warning than a SIGMET.
True
61
What does the term 'microburst' refer to?
A small, intense downdraft that can cause hazardous conditions
62
What is the primary purpose of a weather radar image?
To visualize precipitation and storm activity
63
What does the term 'altimeter setting' refer to?
The pressure setting used to calibrate an altimeter
64
Fill in the blank: The term 'visibility' refers to the distance at which ____ can be seen.
Objects
65
True or False: A warm front typically moves faster than a cold front.
False
66
What is the main hazard of flying in mountainous terrain?
Turbulence and wind shear
67
What does the term 'AIRMET' stand for?
Airmen's Meteorological Information
68
What is the significance of the wind chill factor?
It affects human comfort and can lead to frostbite.
69
Fill in the blank: The term 'stratus' refers to ____ clouds.
Layered
70
What is the primary concern during a thunderstorm?
Severe turbulence and lightning strikes
71
True or False: Wind direction is reported as the direction the wind is blowing from.
True
72
What does the term 'polar air mass' refer to?
Cold and dry air originating from polar regions
73
What type of weather is typically associated with a stationary front?
Extended periods of precipitation
74
Fill in the blank: The term 'hurricane' refers to a ____ storm.
Tropical
75
What is the primary cause of seasonal weather changes?
The tilt of the Earth's axis

Commercial Pilot (4 decks)

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