Doc 10157. Edition 1
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Procedures for Air Navigation Services. Meteorology
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This first edition of Doc 10157 was approved by the President of the Council on behalfof the Council on 2 April 2025 and becomes applicable on 27 November 2025.INTERNATIONAL CIVIL AVIATION ORGANIZATIONDoc 10157MeteorologyFirst Edition, 2025PROCEDURES FOR AIR NAVIGATION SERVICES
This first edition of Doc 10157 was approved by the President of the Council on behalfof the Council on 2 April 2025 and becomes applicable on 27 November 2025.INTERNATIONAL CIVIL AVIATION ORGANIZATIONDoc 10157MeteorologyFirst Edition, 2025PROCEDURES FOR AIR NAVIGATION SERVICES
Published in separate English, Arabic, Chinese, French, Russian and Spanish editions by the INTERNATIONAL CIVIL AVIATION ORGANIZATION 999 Robert-Bourassa Boulevard, Montral, Quebec, Canada H3C 5H7 For ordering information and for a complete listing of sales agents and booksellers, please go to the ICAO website at www.icao.int. First Edition, 2025 Doc 10157, Procedures for Air Navigation Services Meteorology Order Number 10157 ISBN 978-92-9275-731-1 ICAO 2025 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, without prior permission in writing from the International Civil Aviation Organization.
iii AMENDMENTS Amendments are announced in the supplements to the Products and Services Catalogue the Catalogue and its supplements are available on the ICAO website at www.icao.int. The space below is provided to keep a record of such amendments. RECORD OF AMENDMENTS AND CORRIGENDA AMENDMENTS CORRIGENDA No. Date Entered by No. Date Entered by
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Annex 3. Edition 20. Meteorological Service for International Air Navigation. Part I — Core SARPs. Part II — Appendices and AttachmentsAnnex 5. Edition 5. Units of Measurement to be Used in Air and Ground Operations.Annex 10. Vol 1. Edition 8. Aeronautical Telecommunications. Volume I. Radio Navigation AidsAnnex 14. Vol 1. Edition 9. Aerodromes. Volume I. Aerodrome Design and OperationsAnnex 15. Edition 16. Aeronautical Information ServicesDoc 4444. Edition 16. Procedures For Air Navigation Services. Air Traffic ManagementDoc 7030. Edition 5. Regional Supplementary ProceduresDoc 8400. Edition 9. Procedures for air navigation services. ICAO Abbreviations and CodesDoc 10066. Edition 1. Procedures for Air Navigation Services. Aeronautical Information ManagementDoc 7910. Edition 198. Location IndicatorsDoc 8896. Edition 13. Manual of Aeronautical Meteorological PracticeDoc 9328. Edition 3. Manual of Runway Visual Range Observing and Reporting PracticesDoc 9377. Edition 6. Manual on Coordination between Air Traffic Services, Aeronautical Information Services and Aeronautical Meteorological ServicesDoc 9694. Edition 2. Manual of Air Traffic Services Data Link ApplicationsDoc 9718. Vol 2. Edition 2. Handbook on Radio Frequency Spectrum Requirements for Civil Aviation. Volume II. Frequency assignment planning criteria for aeronautical radio communication and navigation systemsDoc 9750. Global Air Navigation PlanDoc 9817. Edition 1. Manual on Low-level Wind ShearDoc 9837. Edition 2. Manual on Automatic Meteorological Observing Systems at AerodromesDoc 10003. Edition 2. Manual on the ICAO Meteorological Information Exchange ModelDoc 10100. Edition 1. Manual on Space Weather Information in Support of International Air NavigationВСЕ ДОКУМЕНТЫПРИЛОЖЕНИЯ И ПРАВИЛА АЭРОНАВИГАЦИОННОГО ОБСЛУЖИВАНИЯПРАВИЛА АЭРОНАВИГАЦИОННОГО ОБСЛУЖИВАНИЯDoc 10157 en
Table Of Contents
COVER PAGE
AMENDMENTS
CONTENTS
FOREWORD
Chapter 1 DEFINITIONS
1.1 DEFINITIONS
1.2 TERMS USED WITH A LIMITED MEANING
Chapter 2 AERODROME METEOROLOGICAL OBSERVATIONAL INFORMATION
2.1 ISSUANCE OF METEOROLOGICAL REPORTS (LOCAL ROUTINE REPORTS, LOCAL SPECIAL REPORTS, AERODROME ROUTINE METEOROLOGICAL REPORTS AND AERODROME SPECIAL METEOROLOGICAL REPORTS)
2.2 OBSERVING AND REPORTING METEOROLOGICAL ELEMENTS
2.3 OBSERVING AND REPORTING VOLCANIC ACTIVITY
Chapter 3 AIRCRAFT METEOROLOGICAL OBSERVATIONAL INFORMATION
3.1. REPORTING OF AIRCRAFT OBSERVATIONS
3.2 OTHER NON-ROUTINE AIRCRAFT OBSERVATIONS AND REPORTS
Chapter 4 AERODROME METEOROLOGICAL FORECAST INFORMATION
4.1 AERODROME FORECASTS
4.2 LANDING FORECASTS (TREND FORECASTS)
4.3 FORECASTS FOR TAKE-OFF
Chapter 5 EN-ROUTE METEOROLOGICAL FORECAST INFORMATION
5.1 FORECASTS ISSUED BY THE WORLD AREA FORECAST CENTRES
5.2 AREA FORECASTS FOR LOW-LEVEL FLIGHTS IN ABBREVIATED PLAIN LANGUAGE (GAMET) AND IN CHART FORM
5.3 FORECASTS OF QUANTITATIVE VOLCANIC ASH CONCENTRATION INFORMATION
Chapter 6 METEOROLOGICAL INFORMATION CONTAINING ADVISORIES, ALERTS, WARNINGS AND NOTICES
6.1 VOLCANIC ASH ADVISORY INFORMATION AND INFORMATION FROM STATE VOLCANO OBSERVATORIES
6.2 TROPICAL CYCLONE ADVISORY INFORMATION
6.3 SPACE WEATHER ADVISORY INFORMATION
6.4 SIGMET INFORMATION
6.5 AIRMET INFORMATION
6.6 AERODROME WARNINGS
6.7 WIND SHEAR WARNINGS AND ALERTS
Chapter 7 AERONAUTICAL CLIMATOLOGICAL INFORMATION
7.1 GENERAL PROVISIONS
7.2 AERODROME CLIMATOLOGICAL TABLES
7.3 AERODROME CLIMATOLOGICAL SUMMARIES
Chapter 8 METEOROLOGICAL SERVICE FOR OPERATORS AND FLIGHT CREW MEMBERS
8.1 GENERAL PROVISIONS
8.2 FLIGHT DOCUMENTATION
8.3 AUTOMATED PRE-FLIGHT INFORMATION SYSTEMS FOR BRIEFING, CONSULTATION, FLIGHT PLANNING AND FLIGHT DOCUMENTATION
8.4 METEOROLOGICAL INFORMATION FOR AIRCRAFT IN FLIGHT
Chapter 9 METEOROLOGICAL INFORMATION FOR AIR TRAFFIC SERVICES AND SEARCH AND RESCUE SERVICES
9.1 INFORMATION FOR AIR TRAFFIC SERVICES UNITS
9.2 INFORMATION FOR SEARCH AND RESCUE SERVICES UNITS
Chapter 10 USE OF COMMUNICATIONS TO EXCHANGE METEOROLOGICAL INFORMATION
10.1 USE OF AERONAUTICAL FIXED SERVICE COMMUNICATIONS AND THE PUBLIC INTERNET
10.2 USE OF AERONAUTICAL MOBILE SERVICE COMMUNICATIONS
10.3 USE OF AERONAUTICAL DATA LINK SERVICE – D-VOLMET
10.4 USE OF AERONAUTICAL BROADCASTING SERVICE –VOLMET BROADCASTS
Appendix 1 FLIGHT DOCUMENTATION – MODEL CHARTS AND FORMS
Appendix 2 TECHNICAL SPECIFICATIONS RELATED TO AERODROME METEOROLOGICAL REPORTS (LOCAL ROUTINE REPORT, LOCAL SPECIAL REPORT, AERODROME ROUTINE METEOROLOGICAL REPORT AND AERODROME SPECIAL METEOROLOGICAL REPORT)
Appendix 3 TECHNICAL SPECIFICATIONS RELATED TO AIR-REPORTS
Appendix 4 TECHNICAL SPECIFICATIONS RELATED TO AERODROME FORECASTS
Appendix 5 TECHNICAL SPECIFICATIONS RELATED TO FORECASTS ISSUED BY THE WORLD AREA FORECAST CENTRES
Appendix 6 TECHNICAL SPECIFICATIONS RELATED TO AREA FORECASTS FOR LOW-LEVEL FLIGHTS IN ABBREVIATED PLAIN LANGUAGE (GAMET)
Appendix 7 TECHNICAL SPECIFICATIONS RELATED TO METEOROLOGICAL INFORMATION CONTAINING ADVISORIES, ALERTS, WARNINGS (SIGMET, AIRMET) AND NOTICES
Appendix 8 TECHNICAL SPECIFICATIONS FOR METEOROLOGICAL PHENOMENA INCLUDED IN SIGMET AND AIRMET INFORMATION, SPECIAL AIR-REPORTS (UPLINK) AND AERODROME WARNINGS
Appendix 9 TECHNICAL SPECIFICATIONS RELATED TO FORECASTS OF QUANTITAVE VOLCANIC ASH CONCENTRATION INFORMATION
ATTACHMENT A. OPERATIONALLY DESIRABLE ACCURACY OF MEASUREMENT OR OBSERVATION
ATTACHMENT B. OPERATIONALLY DESIRABLE ACCURACY OF FORECASTS
ATTACHMENT C. SELECTED CRITERIA APPLICABLE TO AERODROME METEOROLOGICAL REPORTS
ATTACHMENT D. CONVERSION OF INSTRUMENTED READINGS INTO RUNWAY VISUAL RANGE AND VISIBILITY