 <h1>Congratulations! 🎉 </h1>
    <p style="color:#637381;">All done! You’ve completed another milestone.</p>

To continue, enter your details to log in.

We’ve sent a 6‑digit code to #MAIL_ADDRESS#\nPlease check your inbox or spam folder and enter the code below to continue.

Verification code sent

Thank you for the payment. You can now access {collectionName} by simply clicking the button below.

Yes, you’ve successfully ordered! 🎉

Unlock This Exclusive Course

It seems that your email address is not currently on the authorized access list. Please ensure you are using the email address that was invited, or contact the content owner for assistance.

Verification Required for Access

Course Introduction and Learning Objectives

Orientation: ICAO Basic Meteorology METB 04 for ATS BASIC

METB 4.1 – Clouds

Cloud Formation: Conditions and Processes Relevant to ATC Operations

Cloud Classification and Identification for Controllers

Cloud Base, Amount, and Ceiling: Definitions and Measurements

METB 4.2 – Types of Precipitation

Precipitation in Aviation: Significance and Cloud Associations

METB 4.3 – Visibility

Visibility Concepts, Measurement, and Operational Use

METB 4.4 – Meteorological Hazards

Hazards to Aviation: Effects and Controller Considerations

Knowledge Checks

Quiz 1: Cloud Formation and Stability

Quiz 2: Cloud Identification and Ceiling

Quiz 3: Precipitation Types and Impacts

Quiz 4: Visibility and RVR

Quiz 5: Meteorological Hazards and Effects

Course Feedback

End-of-Course Survey: METB 04 Learning Experience

ICAO METB 04: Clouds, Precipitation, Visibility, and Aviation Hazards is a focused, operations-first course designed for ATC BASIC trainees and operational personnel who need to translate meteorology into safer, smarter decisions. Grounded in ICAO Annex 3 and Doc 8896, this course turns atmospheric science into practical guidance you can use at the scope: anticipating ceiling and visibility changes, recognizing thunderstorm and icing signatures, and adjusting spacing, runway use, and flow strategies in time to matter. You’ll build a clear understanding of cloud formation and classification, the types and impacts of precipitation, visibility concepts and RVR interpretation, and the key aviation hazards—turbulence, icing, wind shear, and convective weather. Each module emphasizes recognition cues, reporting language (METAR/SPECI), and the operational implications for approach minima, LVP activation, and traffic management. Short knowledge checks reinforce critical concepts and quick decision heuristics. Whether you’re preparing for assessments or sharpening on-the-job awareness, METB 04 delivers the meteorological essentials every controller needs to maintain safety and efficiency when conditions deteriorate rapidly. By the end, you’ll confidently read the sky, interpret observations and alerts, and anticipate how weather will influence aircraft performance, pilot requests, and sector capacity.

ICAO METB 04: Clouds, Precipitation, Visibility, and Aviation Hazards

<div class="simple-box-wrapper">
    <div class="simple-box">
        <div class="column">
            <p>ICAO METB 04: Clouds, Precipitation, Visibility, and Aviation Hazards equips ATC BASIC trainees with operational meteorology essential to safe, efficient traffic management. The course focuses on meteorological phenomena encountered in day-to-day tower and approach operations, translating weather concepts into decision-ready cues for runway configuration, sequencing, spacing, and contingency planning. Learning outcomes align with METB 4.1–4.4: cloud formation and classification, types of precipitation and their impacts, visibility and RVR interpretation, and meteorological hazards relevant to controller actions. The assessment plan includes five short quizzes that reinforce application of concepts and one end-of-course survey to capture your learning experience.</p>

<p>Building on fundamental thermodynamics and basic weather observation terminology (METAR, SPECI), the course begins with cloud processes critical to nowcasting—cooling and saturation mechanisms, stability, and microphysics—with emphasis on operational cues such as layered versus convective regimes and the icing implications of supercooled water. You will then refine cloud identification skills, including recognition of vertical development and thunderstorm signatures, and apply precise definitions of cloud base, amount, and ceiling as reported and measured (ceilometers, observation hierarchy), noting their effects on aerodrome minima and traffic flow. The precipitation module links type and intensity to runway condition, braking action, and approach minima, covering transition layers and radar indicators like the bright band. The visibility section clarifies prevailing visibility, slant visibility, and RVR—how they are measured, reported in METAR/SPECI, and used to trigger LVPs and adjust delivery rates. Finally, the hazards module addresses turbulence, icing, wind shear and microbursts, and thunderstorm dynamics, connecting detection systems (LLWAS/TDWR), synoptic and local cues, and controller responses such as runway use, spacing adjustments, deviation corridors, and holding strategies. Throughout, you will be directed to authoritative references, including ICAO Annex 3 and Doc 8896, to standardize terminology and best practices.</p>
        </div>
    </div>
</div>
