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Questions and Answers
What is the wind direction indicated in a TAF with visibility of 3SM? (Tempo)
What is the wind direction indicated in a TAF with visibility of 3SM? (Tempo)
- 240T (correct)
- 120T
- 180T
- 360T
What causes the Coriolis effect?
What causes the Coriolis effect?
- High-pressure systems
- Rotation of the Earth on its axis (correct)
- Magnetic field of the Earth
- Gravitational pull of the moon
What occurs during the dissipating stage of a thunderstorm?
What occurs during the dissipating stage of a thunderstorm?
- Formation of new updrafts
- Spread out downdraft (correct)
- Increase in hail precipitation
- Consolidation of cloud mass
How does condensation primarily occur?
How does condensation primarily occur?
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What is the main cooling mechanism in the atmosphere?
What is the main cooling mechanism in the atmosphere?
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Ayla shows full left to full right deflection how many degrees is this? 
Ayla shows full left to full right deflection how many degrees is this? 
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In a thunderstorm, severe conditions, such as icing and turbulence ____?
In a thunderstorm, severe conditions, such as icing and turbulence ____?
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What will be found when you fly around a cold front squall line that is 50 nautical miles wide
What will be found when you fly around a cold front squall line that is 50 nautical miles wide
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Study Notes
TAF and Weather Conditions
- TAF indicates weather forecasting with specific details on wind direction and visibility.
- Example: Wind direction at 240T and visibility of 3 statute miles (SM).
- Temporary conditions (Tempo) are essential to consider in TAF reports.
Coriolis Effect
- The Coriolis effect results from the Earth's rotation around its axis.
- It influences weather patterns and atmospheric circulation.
Thunderstorm Dynamics
- In the disappearing stage of a thunderstorm, down drafts begin to spread out.
- This stage indicates a weakening storm as it loses its updraft strength.
Condensation Process
- Condensation occurs when water vapor in the air cools and transforms into liquid, releasing latent heat.
- Latent heat release plays a crucial role in driving atmospheric processes.
Air Cooling Mechanism
- The primary mechanism for cooling in the atmosphere is adiabatic expansion.
- As air rises, it expands and cools without heat exchange with the environment.
Instrument Landing System (ILS)
- ILS guidance typically moves from full left to full right through an angle of 5 degrees.
- Precision in navigation is necessary for safe landing procedures.
Thunderstorm Conditions
- Severe conditions, including icing and turbulence, increase away from the wave crest during thunderstorms.
- Understanding these conditions is vital for flight safety in stormy weather.
Cold Front Characteristics
- Within a 50 nautical mile (nm) radius ahead of a cold front, expect cloud types such as cumulonimbus (CB) and cumulonimbus scattered (Cu).
- These cloud formations align parallel to the advancing cold front, indicating potential weather changes.
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