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1. Aerodrome Warning Capacity Building for Aviation Meteorology Personel in Guinea BMKG 2025

2. Introduction Aerodrome Warning alerts about hazardous weather conditions F ocus on ground operations at the airport Duration: generally a few hours, not more than 24 hours Purpose: protect safety, equipment, and personnel

3. Role of Aerodrome Warning in Aviation Safety Protects ground personnel and equipment Secures aircraft on the ground Supports ground handling operations Ensures runway and taxiway safety Enhances emergency preparedness

4. Weather Phenomena Requiring Aerodrome Warning Thunderstorm, hail, heavy rain, fog Snow/ice, freezing precipitation Strong surface winds and gusts Sandstorm, duststorm , volcanic ash Tornado, tsunami, toxic chemicals

5. Aerodrome Warning Format Location (Aerodrome code) Message identifier (AD WRNG) Sequence number Validity period (start and end time in UTC) Observed or forecast phenomenon Intensity trend (INTSF, WKN, NC) Cancellation (CNL AD WRNG)

6. Procedures for Issuing Aerodrome Warnings Weather monitoring (radar, satellite, o bservations) Identify hazardous weather Draft the warning (ICAO/WMO format) Internal approval Distribution via AFTN, ATIS, NOTAM, local S ystems Monitoring, updating, or cancellation

7. Coordination Among Stakeholders Meteorological Office: issues the warning ATC: informs pilots and manages traffic Airport Authority: manages ground operations Airlines: adjust schedules Ground handling: secure assets and personnel

8. Evaluation of Aerodrome Warnings Accuracy of phenomenon reported Timeliness of issuance Appropriateness of validity period Stakeholder response & coordination Clarity and compliance with ICAO/WMO format Updates and SOP compliance User confidence level

9. Summary Aerodrome Warnings protect safety of airport operations Issued for short-term hazardous weather events Standardized format ensures clarity and consistency Effective coordination among stakeholders is essential Evaluation helps improve future warning systems