Latest News

Report on WMO CBS Regional Workshop on AMDAR for Eastern Europe

posted Jan 16, 2018, 12:39 AM by Dean Lockett

The report on the WMO Regional Workshop on AMDAR for Eastern Europe, held in Budapest, Hungary over 7-8 December 2017, is now available on the WMO website from the WMO Aircraft-Based Observations programme meetings page.

Publication of WMO-No 1200, Guide to Aircraft-Based Observations

posted Jan 16, 2018, 12:24 AM by Dean Lockett
WMO is pleased to inform you that the WMO-No. 1200, Guide to Aircraft-Based Observations has now been published in the WMO online library.

The thousands of aircraft flying every day offer an efficient and cost-effective way to gather
meteorological information. In the case of the majority of modern aircraft, the aircraft’s sensors, while flying, measure air temperature, wind speed and direction, air pressure and other variables of the atmosphere, as this information is necessary for the aircraft’s navigation systems and
to monitor aircraft performance. While these data are used as input to a range of on-board
applications supporting flight operation, they are also often automatically transmitted over the
aircraft communications system to the airline for performance monitoring by the operator’s
technical division. In the case of the aircraft meteorological data relay (AMDAR) observing
system, the meteorologically relevant information can be accessed by a specific software
package (AMDAR on-board software (AOS)) for the production of ABO...

WMO and IATA form Working Arrangement on AMDAR Collaboration

posted Jul 9, 2017, 11:19 PM by Dean Lockett

WMO has held talks and entered into a new working arrangement with the International Air Transport Association (IATA) on the operation of the global Aircraft Meteorological DAta Relay (AMDAR) system.

WMO Secretary-General Petteri Taalas met IATA Director General Alexandre  de Juniac to discuss how IATA’s 265 airlines in over 117 countries can best contribute to AMDAR’s data gathering system.

“It’s a win-win situation,” said Mr Taalas.

WIGOS Technical Report 2016-01, AMDAR Benfits to the Air Transport Industry

posted Oct 28, 2016, 1:10 AM by Dean Lockett   [ updated Oct 28, 2016, 1:11 AM ]

WMO is please to advise you that the WIGOS Technical Report, 2016-01, AMDAR Benefits to the Air Transport Industry is now available from the WMO Library website.

The report is also available from the WMO Aircraft-Based Observations reports page.

WMO would like to thank consultant, Mr Frédéric Falise for his work on this report and the CBS Expert Team on Aircraft-Based Observing Systems for their role in defining the scope and reviewing the content of the report.

WMO Regional Workshop on AMDAR, Panama City, Panama

posted Sep 23, 2016, 7:00 AM by Dean Lockett   [ updated Sep 23, 2016, 7:00 AM ]

The WMO Regional Workshop on AMDAR was held over 17-18 August 2016 at the Radisson Decapolis Hotel in Panama City, Panama, at the kind invitation of the Dirección de Hidrometeorología (DDH), Panama. The workshop was generously supported by the National Oceanic and Atmospheric Administration (NOAA), USA.

The workshop was opened by the Director of DDH, Mr Edilberto Bolívar Esquivel Marconi, who welcomed all participants to the workshop and to Panama City. Mr Esquivel, cited the importance of both aviation and shipping to Panama and, as a result, the critical importance of support for these industries through weather services and products.

The program for the workshop introduced participants from WMO Regions III (South America) and IV (North America, Central America and the Caribbean) to the WMO Aicraft-Based Observations Progam and the operation of the AMDAR observing system, focusing on the requirements for participation, the benefits to meteorological services and to aviation and other related technologies and data applications.

The workshop report available at the WMO Aircraft-Based Observations website and can be downloaded in PDF.

WMO AMDAR Observing System Newsletter, Volume 10

posted Nov 12, 2015, 2:08 AM by Dean Lockett

The latest WMO AMDAR Observing System Newsletter - October, 2015 - is now available.

New from COMET: Introduction to Aircraft Meteorological Data Relay (AMDAR)

posted Jan 15, 2015, 6:47 AM by Dean Lockett

WMO and The COMET Program are pleased to announce the publication of the new lesson, "Introduction to Aircraft Meteorological Data Relay (AMDAR)." The lesson provides information about the benefits and uses of AMDAR, an aircraft-based observing system coordinated through the World Meteorological Organization (WMO).

The content is organized into three sections, focused on the meteorological applications of AMDAR, the aviation applications of the data, and additional information about the systems and requirements for AMDAR implementation. Several experts offer interviews describing examples of AMDAR use in numerous meteorological and aviation applications.

The intended audience for "Introduction to Aircraft Meteorological Data Relay (AMDAR)" includes meteorological service managers and providers, observational development groups, the aviation industry, and others interested in benefiting from an aircraft-based observing system in their region. With its broad scope, the lesson should appeal to anyone interested in learning more about the AMDAR program, the observations it provides, and how the data are used. Please follow this link to the MetEd description page that provides additional information and a link to begin the lesson: Introduction to Aircraft Meteorological Data Relay (AMDAR) This lesson is approximately 90 minutes in length.

The MetEd website relies on JavaScript, and some lessons rely on Adobe® Flash® for navigation, animation, and/or presentation of multimedia elements. Ensure that you have a browser updated to its latest version with JavaScript enabled and the latest version of the Adobe FlashPlayer installed ( For technical support, please visit our Registration and Support FAQs at

We welcome any comments or questions you may have regarding the content, instructional approach, or use of this lesson. Please e-mail your comments or questions to Tsvet Ross-Lazarov (

New WMO Brochure on AMDAR Benefits

posted Sep 24, 2014, 8:26 AM by Dean Lockett

Inline image 1WMO is pleased to inform readers that  it has published a new foldout brochure - The WMO AMDAR Observing System Benefits to Airlines and Aviation - that is available as a PDF document via the WMO AMDAR Resources website and the WMO Library.

The brochure is able to be printed as a foldout of four pages that briefly explains the benefits of the AMDAR observing system to airlines and, more generally, to the aviation industry.

The brochure may be printed and distributed by WMO Members and others in the interests of AMDAR programme development and promotion.

The brochure can be downloaded from the WMO Library here.

AMDAR Onboard Software Functional Requirements Specificiation Version 1.1

posted Jun 19, 2014, 4:35 AM by Dean Lockett

WMO is pleased to inform readers that version 1.1 of the AMDAR Onboard Software Functional Requirements Specification has now been formally published as CIMO Instruments and Observing Methods (IOM) Report No. 115. This document supersedes version 1.0 of the AOSFRS, which was published in 2013 as IOM Report No. 114.

The specification can be accessed from the WMO Library as below and also from the CIMO IOM Report series website.

The specification is also available via the AMDAR Resources area.


 AMDAR Onboard Software Functional Requirements Specification: (Version 1.1, 2 June 2014)

 free Available online at:

World Meteorological Organization

Published by: WMO ; 2014

This document provides a functional specification for AMDAR onboard software, which can be utilized by avionics software developers to build avionics software applications for AMDAR that will efficiently meet WMO standards and requirements for reporting of meteorological data from the aircraft platform utilizing aviation communications protocols and infrastructure.

Collection(s) and Series: Technical document IOM Report- No. 115

Language(s): English

Format: Digital (Free), 97 p.

WIGOS Report 2014-2 - Requirements for the Implementation and Operation of an AMDAR Programme

posted Mar 19, 2014, 3:21 AM by Dean Lockett

I am very pleased to inform you that a new WIGOS Technical Report (2014-2) is now available entitled: Requirements for the Implementation and Operation of an AMDAR Programme.

Download WIGOS Technical Report
The document can be downloaded from the WIGOS Technical Reports site.

The direct link for download is available by clicking on the image at right.

The document can also be obtained from the WMO AMDAR/Resources website

The Introduction to the document is provided below.

WMO thanks all those that collaborated and provided input.


This document provides guidance to WMO Members on the requirements for the establishment and operation of a national or regional AMDAR observing system in collaboration with one or more partner commercial airlines. It has been contributed to and reviewed by observing system experts of WMO Members, including members of the WMO Commission for Basic Systems (CBS) Expert Team on Aircraft-Based Observing Systems (ET-ABO).

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