Meteorology

Difficulty: HighExam Weight: High

Overview

Meteorology is one of the most content-heavy ATPL subjects. It covers atmospheric physics, wind systems and circulation, cloud formation, weather hazards (thunderstorms, icing, turbulence, windshear), fronts and pressure systems, and the interpretation of weather charts, METARs, TAFs, and SIGMETs.

Key Topics

Atmospheric composition, structure, and stability
Temperature — ISA, lapse rates, inversions
Pressure systems and altimetry
Wind — geostrophic, gradient, surface winds, jet streams
Moisture, clouds, and precipitation formation
Fronts — warm, cold, occluded, stationary
Thunderstorms — formation, hazards, avoidance
Icing — types, severity, conditions
Turbulence — types and causes
Visibility and fog formation
METAR, TAF, SIGMET, and weather chart interpretation
Tropical meteorology and cyclones

Study Tips

Study real weather charts and METARs daily — pattern recognition takes time

Master the atmospheric stability concept — it underlies cloud formation and turbulence

Learn to decode METARs and TAFs from memory, not by reference

Understand the three-cell circulation model for global wind patterns

Focus on weather hazards — thunderstorms, icing, and wind shear are heavily tested

Sample Questions

1. The tropopause is typically found at what altitude over the mid-latitudes?

A. 5,000 ft

B. 18,000 ft

C. 36,000 ft✓ Correct

D. 55,000 ft

2. A METAR reporting 'BKN025CB' indicates:

A. Broken clouds at 2,500 ft with cumulonimbus present✓ Correct

B. Broken clouds at 25,000 ft

C. Clear skies below 2,500 ft

D. Overcast clouds at 2,500 ft

3. Which type of icing is considered most hazardous?

A. Rime ice

B. Clear ice✓ Correct

C. Hoar frost

D. Mixed ice

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