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PPL Course - (3) Navigation and Meteorology > Chapter 8.8 - Visual Weather Flying > Flashcards

Chapter 8.8 - Visual Weather Flying Flashcards

1
Q

Name three main factors affecting Visual Weather?

A
  • Visibility.
  • Turbulence.
  • Reduced Aircraft Performance.
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2
Q

Name six further factors in affecting Visual Weather?

A
  • Atmospheric Cooling.
  • Dew-point Temperature.
  • Terrain.
  • Season and Time of Day.
  • Wind.
  • Clouds.
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3
Q

How can Atmospheric Cooling affect Visual Weather?

A

It can reduce visibility.

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4
Q

How can Dew-point Temperature affect Visual Weather (2)?

A
  • Reduction in Visibility.

- Cloud Formation.

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5
Q

What is the most important information for Pilot’s on Dew-point Temperature?

A

Difference between dry-bulb and dew-point.

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6
Q

How can Terrain affect Visual Weather?

A

Terrain generally makes bad weather worse.

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7
Q

True or False. Large areas of water, ocean, lakes and cities should be considered as types of Terrain?

A

True.

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8
Q

How can Wind affect Visual Weather?

A

Wind can bring different types of weather whilst flying.

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9
Q

Name two types of clouds?

A
  • Cumuliform.

- Stratiform.

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10
Q

Name three associations with Cumuliform Clouds?

A
  • Unstable Conditions.
  • Turbulence.
  • Heavy Rain.
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11
Q

Name three associations with Stratiform Clouds?

A
  • Stable Conditions.
  • Fog.
  • Poor Visibility.
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12
Q

Anticyclone/Ridge Weather: Wind Direction?

A

Anticlockwise.

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13
Q

Anticyclone/Ridge Weather: Moisture Level (2)?

A
  • Dry in Upper Layers.

- Moist below Inversion.

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14
Q

Anticyclone/Ridge Weather: Type of Cloud?

A

Stratiform.

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15
Q

Anticyclone/Ridge Weather: Clear Skies?

A

Often.

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16
Q

Anticyclone/Ridge Weather: Turbulence (2)?

A
  • Smooth Air above Inversion.

- Slight to Moderate below Inversion.

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17
Q

Anticyclone/Ridge Weather: Visibility?

A

Poor.

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18
Q

Depression/Trough Weather: Wind Direction?

A

Clockwise.

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19
Q

Depression/Trough Weather: Moisture Level?

A

Moist if over water and wet surface.

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20
Q

Depression/Trough Weather: Type of Cloud?

A

Cumuliform.

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21
Q

Depression/Trough Weather: Clear Skies?

A

Rarely.

22
Q

Depression/Trough Weather: Turbulence?

A

Slight to Moderate depending on stability.

23
Q

Depression/Trough Weather: Visibility?

A

Good except in precipitation.

24
Q

Tropical Cyclone Weather: Wind Direction?

A

Clockwise.

25
Q

Tropical Cyclone Weather: Moisture Level?

A

Very Moist.

26
Q

Tropical Cyclone Weather: Type of Cloud?

A

Mainly Cumuliform.

27
Q

Tropical Cyclone Weather: Clear Skies?

A

Only in the Eye of the storm.

28
Q

Tropical Cyclone Weather: Turbulence?

A

Moderate to Extreme.

29
Q

Tropical Cyclone Weather: Visibility (2)?

A
  • Poor in Rain.

- Low Visibility.

30
Q

Cols Weather: Wind Direction?

A

Light and Variable.

31
Q

Cols Weather: Moisture Level?

A

Moist in lower levels.

32
Q

Cols Weather: Type of Cloud?

A

Cumuliform or Stratiform.

33
Q

Cols Weather: Clear Skies?

A

Often.

34
Q

Cols Weather: Turbulence?

A

Smooth/Turbulent depending on weather conditions.

35
Q

Cols Weather: Visibility?

A

Can be poor in lower levels.

36
Q

Stability: Conditions Favourable for Development?

A

Anticyclones.

37
Q

Stability: Signs That May Indicate Presence?

A

Light Winds.

38
Q

Instability: Conditions Favourable for Development?

A

Depression/Cyclones.

39
Q

Instability: Signs That May Indicate Presence?

A

Strong Winds.

40
Q

Instability: Effects on Flight Characteristics?

A

Light to Moderate Turbulence.

41
Q

Instability: Pilot Actions Required to Minimise Effect?

A

Turbulence Penetration Speed if Turbulence reaches Moderate.

42
Q

Fog: Conditions Favourable for Development (2)?

A
  • High Relative Humidity.

- Air cooled to below Dew-point.

43
Q

Fog: Effects on Flight Characteristics?

A

Visibility reduced to 1000m or less.

44
Q

Fog: Pilot Actions Required to Minimise Effect?

A

Avoid early morning flights.

45
Q

Towering Cumulus: Conditions Favourable for Development?

A

Moist Air.

46
Q

Towering Cumulus: Effects on Flight Characteristics?

A

Moderate to Severe Turbulence.

47
Q

Towering Cumulus: Pilot Actions Required to Minimise Effect?

A

Avoid entering due to Turbulence and possible growth into Thunderstorms.

48
Q

Thunderstorms: Conditions Favourable for Development?

A

Very Moist Air.

49
Q

Thunderstorms: Effects on Flight Characteristics?

A

Severe to Extreme Turbulence.

50
Q

Thunderstorms: Pilot Actions Required to Minimise Effect?

A

Avoid at all costs.

PPL Course - (3) Navigation and Meteorology (23 decks)

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