Chapter 8.8 - Visual Weather Flying

Question 1

Name three main factors affecting Visual Weather?

Answer 1

• Visibility.
• Turbulence.
• Reduced Aircraft Performance.

Question 2

Name six further factors in affecting Visual Weather?

Answer 2

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

Question 3

How can Atmospheric Cooling affect Visual Weather?

Answer 3

It can reduce visibility.

Question 4

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

Answer 4

• Reduction in Visibility.

- Cloud Formation.

Question 5

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

Answer 5

Difference between dry-bulb and dew-point.

Question 6

How can Terrain affect Visual Weather?

Answer 6

Terrain generally makes bad weather worse.

Question 7

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

Answer 7

True.

Question 8

How can Wind affect Visual Weather?

Answer 8

Wind can bring different types of weather whilst flying.

Question 9

Name two types of clouds?

Answer 9

• Cumuliform.

- Stratiform.

Question 10

Name three associations with Cumuliform Clouds?

Answer 10

• Unstable Conditions.
• Turbulence.
• Heavy Rain.

Question 11

Name three associations with Stratiform Clouds?

Answer 11

• Stable Conditions.
• Fog.
• Poor Visibility.

Question 12

Anticyclone/Ridge Weather: Wind Direction?

Answer 12

Anticlockwise.

Question 13

Anticyclone/Ridge Weather: Moisture Level (2)?

Answer 13

• Dry in Upper Layers.

- Moist below Inversion.

Question 14

Anticyclone/Ridge Weather: Type of Cloud?

Answer 14

Stratiform.

Question 15

Anticyclone/Ridge Weather: Clear Skies?

Answer 15

Often.

Question 16

Anticyclone/Ridge Weather: Turbulence (2)?

Answer 16

• Smooth Air above Inversion.

- Slight to Moderate below Inversion.

Question 17

Anticyclone/Ridge Weather: Visibility?

Answer 17

Poor.

Question 18

Depression/Trough Weather: Wind Direction?

Answer 18

Clockwise.

Question 19

Depression/Trough Weather: Moisture Level?

Answer 19

Moist if over water and wet surface.

Question 20

Depression/Trough Weather: Type of Cloud?

Answer 20

Cumuliform.

Question 21

Depression/Trough Weather: Clear Skies?

Answer 21

Rarely.

Question 22

Depression/Trough Weather: Turbulence?

Answer 22

Slight to Moderate depending on stability.

Question 23

Depression/Trough Weather: Visibility?

Answer 23

Good except in precipitation.

Question 24

Tropical Cyclone Weather: Wind Direction?

Answer 24

Clockwise.

Question 25

Tropical Cyclone Weather: Moisture Level?

Answer 25

Very Moist.

Question 26

Tropical Cyclone Weather: Type of Cloud?

Answer 26

Mainly Cumuliform.

Question 27

Tropical Cyclone Weather: Clear Skies?

Answer 27

Only in the Eye of the storm.

Question 28

Tropical Cyclone Weather: Turbulence?

Answer 28

Moderate to Extreme.

Question 29

Tropical Cyclone Weather: Visibility (2)?

Answer 29

- Poor in Rain. | - Low Visibility.

Question 30

Cols Weather: Wind Direction?

Answer 30

Light and Variable.

Question 31

Cols Weather: Moisture Level?

Answer 31

Moist in lower levels.

Question 32

Cols Weather: Type of Cloud?

Answer 32

Cumuliform or Stratiform.

Question 33

Cols Weather: Clear Skies?

Answer 33

Often.

Question 34

Cols Weather: Turbulence?

Answer 34

Smooth/Turbulent depending on weather conditions.

Question 35

Cols Weather: Visibility?

Answer 35

Can be poor in lower levels.

Question 36

Stability: Conditions Favourable for Development?

Answer 36

Anticyclones.

Question 37

Stability: Signs That May Indicate Presence?

Answer 37

Light Winds.

Question 38

Instability: Conditions Favourable for Development?

Answer 38

Depression/Cyclones.

Question 39

Instability: Signs That May Indicate Presence?

Answer 39

Strong Winds.

Question 40

Instability: Effects on Flight Characteristics?

Answer 40

Light to Moderate Turbulence.

Question 41

Instability: Pilot Actions Required to Minimise Effect?

Answer 41

Turbulence Penetration Speed if Turbulence reaches Moderate.

Question 42

Fog: Conditions Favourable for Development (2)?

Answer 42

- High Relative Humidity. | - Air cooled to below Dew-point.

Question 43

Fog: Effects on Flight Characteristics?

Answer 43

Visibility reduced to 1000m or less.

Question 44

Fog: Pilot Actions Required to Minimise Effect?

Answer 44

Avoid early morning flights.

Question 45

Towering Cumulus: Conditions Favourable for Development?

Answer 45

Moist Air.

Question 46

Towering Cumulus: Effects on Flight Characteristics?

Answer 46

Moderate to Severe Turbulence.

Question 47

Towering Cumulus: Pilot Actions Required to Minimise Effect?

Answer 47

Avoid entering due to Turbulence and possible growth into Thunderstorms.

Question 48

Thunderstorms: Conditions Favourable for Development?

Answer 48

Very Moist Air.

Question 49

Thunderstorms: Effects on Flight Characteristics?

Answer 49

Severe to Extreme Turbulence.

Question 50

Thunderstorms: Pilot Actions Required to Minimise Effect?

Answer 50

Avoid at all costs.