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1. Weather Foundations and the AFISO Role

Welcome — Weather Is an Operational Picture

Learning Objectives and Success Standard

The Operational Weather Information Chain

Authority, Sources and the No-Forecasting Boundary

Atmosphere, Temperature and Moisture

Pressure, Density and Aircraft Performance

Stability, Vertical Motion and Cloud Development

Activity — Build the Weather Information Chain

Checkpoint — Source Discipline

Checkpoint — Density and Responsibility

2. Wind, Visibility, Cloud and Operating Conditions

Section Briefing — The Aerodrome Weather Picture

Surface Wind — Direction, Speed and Units

Gusts, Variability and Significant Changes

Runway-Relative Wind and Pilot Decision-Making

Visibility, RVR and What They Do Not Mean

Cloud Amount, Base and VMC–IMC Awareness

Diagram — Weather Around the Runway

Activity — Runway Weather Information Board

Checkpoint — Visibility and RVR

Checkpoint — Runway Choice

3. Hazardous and Rapidly Changing Weather

Section Briefing — Recognise, Prioritise, Pass

Precipitation and Operational Effects

Fog, Mist, Haze, Smoke and Dust

Thunderstorms and Lightning

Wind Shear, Microbursts and Gust Fronts

Turbulence and Local Effects

Diagram — Convective Hazard Zone

Activity — Hazard Cascade Tabletop

Checkpoint — Pilot Wind-Shear Report

Checkpoint — Thunderstorm Boundary

4. METAR, SPECI, TAF, Trend and SIGMET

Section Briefing — Decode in a Fixed Order

METAR Anatomy

METAR Worked Interpretation

SPECI and Significant Change

TAF — Forecast Window and Change Groups

Trend Forecasts and Current Reports

SIGMET — Hazard Information for the FIR

Diagram — Observation, Forecast and Warning Timeline

Activity — Progressive Coded Weather Lab

Checkpoint — METAR Interpretation

Checkpoint — TAF Discipline

Checkpoint — SIGMET Use

5. Altimetry and Pressure Information

Section Briefing — One Number, Serious Consequences

QNH, QFE and Standard Pressure

Altitude, Height and Flight Level

Transition Altitude, Level and Layer

Pressure Change, Error and Timeliness

Diagram — Vertical Reference System

Activity — Altimeter Setting and Readback Lab

Checkpoint — Vertical Terminology

Checkpoint — Pressure Readback

6. Observing Systems, Significant Change and Integration

Section Briefing — Trust, but Verify the Information Chain

Observing Equipment and Human Observation

Equipment Limitations and Contingencies

Significant Change and Distribution

Belabo Local Weather — Controlled Integration Point

Activity — Integrated Aerodrome Weather Briefing

Integrated Scenario — Deterioration During an Arrival

E4 Rapid Revision Matrix

Final Check — Forecasting Boundary

Final Check — Equipment Limitation

Final Check — Integrated Priority

An eight-hour operational meteorology module for international AFISO learners, covering weather fundamentals, hazardous phenomena, coded reports and forecasts, altimetry, observing-system limitations and safe significant-change communication.

Build the practical meteorological judgement needed to interpret coded reports, recognise operational hazards and communicate weather and pressure information without forecasting beyond authorised data.

E4 — Meteorology

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