World Meteorological Organization (WMO) ; Global Atmosphere Watch Expert Meeting on Measurement-Model Fusion for Global Total Atmospheric Deposition (MMF-GTAD) (26-27 February 2019; Geneva, Switzerland) - WMO, 2020
Global Atmosphere Watch Expert Meeting on Measurement-Model Fusion for Global Total Atmospheric Deposition (MMF-GTAD)
World Meteorological Organization (WMO) ; Global Atmosphere Watch Expert Meeting on Measurement-Model Fusion for Global Total Atmospheric Deposition (MMF-GTAD) (26-27 February 2019; Geneva, Switzerland)Published by: WMO ; 2020
Collection(s) and Series: GAW Report- No. 250
Format: Digital (Free)Published by: WMO ; 2020 (2020 edition)
Collection(s) and Series: WMO- No. 1246
Format: Digital (Free)
ISBN (or other code): 978-92-63-11246-9Volume I contains WMO international codes for meteorological data and other geophysical data relating to meteorology. The relevant regulations are given for each code form.Published by: WMO ; 2020 (2019 edition)
Manual on Codes - International Codes, Volume I.2, Annex II to the WMO Technical Regulations: Part B – Binary Codes, Part C – Common Features to Binary and Alphanumeric Codes
Volume I contains WMO international codes for meteorological data and other geophysical data relating to meteorology. The relevant regulations are given for each code form.
Collection(s) and Series: WMO- No. 306
Language(s): English; Other Languages: French, Russian, Spanish
Format: Digital (Free)
ISBN (or other code): 978-92-63-10306-2
Archives access: 2001-[...]
Tags: Automated Weather Observing System (AWOS) ; WMO Integrated Global Observing System (WIGOS) ; Manual ; Observations ; Information management ; OBS - Personnel performing meteorological observations ; Instruments and Methods of Observation Programme (IMOP) ; WMO Data Management ; Technical Publications Add tagPublished by: WMO ; 2020 (May 2019)
System and Performance Audit of Surface Ozone, Carbon Monoxide, Methane, Carbon Dioxide and Nitrous Oxide at the Global GAW Station Izaña, Spain
Format: Digital (Free)The first International Symposium on “Extreme Maritime Weather: Towards Safety of Life at Sea and a Sustainable Blue Economy” was held in London at the International Maritime Organization (IMO) Headquarters from the 23rd to 25th October 2019. Jointly organized by the World Meteorological Organization (WMO) and the IMO, over 200 participants from over 40 different countries attended, representing both private and public sectors, and including Ministers and Ambassadors. The structure of the Symposium consisted of Plenary Sessions, with invited presentations and panel discussions. The Symposium P ...Published by: WMO ; 2020
Report of the WMO/IMO International Symposium ‘Extreme Maritime Weather: Towards Safety of Life at Sea and a Sustainable Blue Economy
The first International Symposium on “Extreme Maritime Weather: Towards Safety of Life at Sea and a Sustainable Blue Economy” was held in London at the International Maritime Organization (IMO) Headquarters from the 23rd to 25th October 2019. Jointly organized by the World Meteorological Organization (WMO) and the IMO, over 200 participants from over 40 different countries attended, representing both private and public sectors, and including Ministers and Ambassadors. The structure of the Symposium consisted of Plenary Sessions, with invited presentations and panel discussions. The Symposium Programme and presentations are available at https://public.wmo.int/en/events/meetings/londonsymposium.
Format: Digital (Free)PermalinkMajor progress is being made developing, delivering and using climate services for societal benefit, in particular from the worldwide effort galvanizing around the Global Framework for Climate Services. The GFCS has been recognized as an important mechanism to support adaptation within the UNFCCC, resulting in the publication of the State of Climate Services Reports. It has enabled funding for climate services activities, through major projects such as the EU-funded GFCS Intra-African, Caribbean and Pacific Group of States (ACP) Programme, a grant to advance climate services and related applic ...PermalinkPart D – Representations derived from data models consists of the specification of the list of standard representations derived from data models, including those using extensible markup language (XML), with their specifications and associated code tables. This is the first edition of Volume I.3 of the Manual on Codes and introduces the use of XML.PermalinkThese guidelines are intended to provide National Meteorological and Hydrological Services (NMHSs) and other climate service providers with up-to-date information on available resources, strategies, procedures and best practices to help develop their capacities in the provision and use of climate services at the global, regional and national level. The guidance focuses on enhancing the capacity of NMHSs in four key areas: institutional, infrastructural, procedural and human resources. These four areas must be considered together to achieve sustainable capacity development.PermalinkThe purpose of the present RA II and RA V Survey on the Use of Satellite Data 2018 is to collect up-to-date information on WMO Members’ capabilities and needs regarding the use of satellite data in meteorological, climate, water and related environmental applications.
The survey was conducted under the leadership of the WMO Regional Coordination Groups on Satellite Data Requirements for Regional Association II and Regional Association V, that are the Regional Association II World Meteorological Organization (WMO) Integrated Global Observing System (WIGOS). Project to Develop Support for ...PermalinkIn many parts of the world, disasters caused by natural hazards such as earthquakes, floods, landslides, drought, wildfires, tropical cyclones and associated storm surges, tsunami and volcanic eruptions have exacted a heavy toll in terms of the loss of human lives and the destruction of economic and social infrastructure, not to mention their negative impact on already fragile ecosystems. Indeed, the period between 1960 and 2000, witnessed an significant increase in the occurrence, severity and intensity of disasters, especially during the 1990s. This trend poses a major threat to sustainable ...Permalink
PermalinkIn conjunction with the Manual on the WMO Information System (Manual on WIS) (WMO-No. 1060), the Guide to the WMO Information System (Guide to WIS) is designed to ensure adequate uniformity and standardization in the data, information and communication practices, procedures and specifications employed among WMO Members in the operation of the WMO Information System (WIS) as it supports the mission of WMO. The Manual on WIS, Annex VII to the WMO Technical Regulations (WMO-No. 49), contains standard and recommended practices, procedures and specifications. The Guide to WIS contains additional in ...PermalinkMeteorology and hydrology play an important role in the understanding of the basic criteria for the siting of nuclear power plant and in applying protective measures for their operations. In order to provide advice on this matter, the WMO Secretariat, at the request of the Executive Council, arranged for the preparation of a Technical Note aimed at practising meteorologists and hydrologists of countries faced with the task of installing nuclear power plants.PermalinkThe Global Climate in 2015–2019 is part of the WMO Statements on Climate providing authoritative information on the state of the climate and impacts. It builds on operational monitoring systems at global, regional and national scales. It has been authored by: Peter Siegmund, lead author (Royal Netherlands Meteorological Institute), Jakob Abermann (University of Graz, Austria), Omar Baddour, Michael Sparrow, Rodica Nitu, Oksana Tarasova (WMO), Pep Canadell (CSIRO Climate Science Centre, Australia), Anny Cazenave (Laboratoire d’Etudes en Géophysique et Océanographie Spatiales, Centre National d’ ...Permalink
PermalinkThis document provides high-level targets to guide the evolution of the World Meteorological Organization (WMO) Integrated Global Observing System (WIGOS) in the coming decades. This vision (henceforth referred to as the “Vision for WIGOS in 2040” or simply the “Vision”) replaces the “Vision for the Global Observing System in 2025”, which was adopted by the Executive Council at its sixty-first session in June 2009. In many ways, the 2025 Vision foreshadowed the development of WIGOS, whereas the current document anticipates a fully developed and implemented WIGOS framework that supports all act ...Permalink
PermalinkWorld Meteorological Organization (WMO) ; World Bank the; Global Facility for Disaster Reduction and Recovery, the ; et al. - WMO, 2020PermalinkWorld Meteorological Organization (WMO) ; World Bank the; Global Facility for Disaster Reduction and Recovery, the ; et al. - WMO, 2020By aligning its programming with other investments, CREWS is enabling its country partners to generate additional funding for greatest impact. CREWS impact is monitored through its results-based Monitoring Framework.Permalink
PermalinkPermalinkWorld Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2020PermalinkPurpose of this web portal is to enable Members to share their experience and knowledge on Instruments and Methods of Observation, thus facilitating others' everyday work. The portal contains links to many useful resources shared by WMO Members.PermalinkThis is the first edition of the Manual on the WMO Integrated Global Observing System (WMO-No. 1160), developed following the decision of the Sixteenth World Meteorological Congress to proceed with the implementation of that System (WIGOS). It was approved by the Seventeenth World Meteorological Congress.
The Manual was developed by the Executive Council through its Inter-Commission Coordination Group on WIGOS, specifically its Task Team on WIGOS Regulatory Material. It is the result of a collaborative approach involving all interested technical commissions under the leadership of the C ...PermalinkThese WMO Guidelines on Emerging Data Issues are the result of a request made at the seventeenth World Meteorological Congress (Cg-17) to provide clarity and guidance for Members in navigating the rapidly changing world of data and data technologies, and especially to provide some insight regarding trends and emerging challenges in data and their use (WMO, 2015a). While these Guidelines necessarily refer to technical aspects of data, the focus is on the impact (positive and negative) of emerging data issues on WMO systems, on the systems and services provided by WMO Members, and how Members mi ...PermalinkThe Strategic Plan adopted by the Eighteenth World Meteorological Congress, in June 2019, sets the directions and priorities to guide the activities of the World Meteorological Organization (WMO) during 2020–2023 and up to 2030 to enable all Members to improve their information, products and services.PermalinkThis manual is designed to facilitate cooperation in data-processing and forecasting among Members; to specify obligations of Members in the implementation of the World Weather Watch (WWW) Global Data Processing and Forecasting System (GDPFS); and to ensure adequate uniformity and standardization in the practices and procedures employed in achieving these.PermalinkPermalinkThis Guidance on Integrated Urban Hydrometeorological, Climate and Environment Services (Volume I: Concept and Methodology) serves to assist WMO Members in the development and implementation of the urban services that address the needs of the cities stakeholders in their countries.PermalinkThis edition of the Guide provides material relevant to some of the new WIGOS-related regulations. The topics cover the new system of WIGOS station identifiers, the new requirements to record and make available metadata as specified in the WIGOS Metadata Standard, the new Observing Systems Capability Analysis and Review (OSCAR) tool to be used by Members to submit metadata for WMO global compilation, the new observing network design principles, national WIGOS implementation, WIGOS data partnerships, Regional WIGOS Centres, and WIGOS Data Quality Monitoring System for surface-based observations ...PermalinkThe Manual on the WMO Information System (WMO-No. 1060) is designed to ensure adequate uniformity and standardization of data, information and communications practices, procedures and specifications employed among World Meteorological Organization (WMO) Members in the operation of the WMO Information System (WIS) as it supports the mission of the Organization.PermalinkThis publication contains: the texts of the WMO Convention; the General, Staff and Financial Regulations; the text of the Agreement between the UN and WMO; the Convention on the Privileges and Immunities of the Specialized Agencies; and the agreement, plan of execution and protocol concluded between the Swiss Federal Council and WMO governing the latter's status in Switzerland.PermalinkFrench, Spanish and Arabic versions still in preparationPermalinkThe workshop presentations included research organizations and NMHS experts discussing the challenges and successes experienced using UAVs in field campaigns collecting data in support of environmental and meteorological applications. The challenges included airspace use regulations and technical capabilities of the UAVs. UAV industry representatives spoke to the workshop audience on the types and capabilities of UAVs and about their collaboration in field campaigns with research organizations and NMHS represented at the workshop. IATA and other experts informed the workshop audience of the va ...PermalinkThe Observing Systems Capability Analysis and Review tool (OSCAR) of the WMO Integrated Global Observing System (WIGOS) Information Resource (WIR) is a key source of information for WIGOS metadata. The surface- and space-based components of OSCAR are intended to record observing platform/station metadata, according to the WIGOS Metadata Standard described in the Manual on the WMO Integrated Global Observing System (WMO-No. 1160) and in the WIGOS Metadata Standard (WMONo. 1192), and to retain a record of the current and historical WIGOS metadata. This Manual explains how to use OSCAR/Surface, t ...PermalinkThe Izaña Atmospheric Research Center (IARC), which is part of the State Meteorological Agency of Spain (AEMET), represents a centre of excellence in atmospheric science. It manages four observatories in Tenerife, including the high altitude Izaña Observatory, which was inaugurated in 1916 and has since carried out uninterrupted meteorological and climatological observations and become a WMO Centennial Station.
This report summarizes the many activities of the Izaña Atmospheric Research Center.PermalinkIn 2020, WMO celebrates its seventieth anniversary, and its community is again presented with both opportunities and threats from scientific progress, new technologies and major shifts in public policy in many countries. Together, these suggest a need to re-examine the policy foundations of current practice.PermalinkWorld Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2019This report is produced by the GSRN Task Team and provides a proposal for the establishment of a GCOS Surface Reference Network, with the support of the GCOS programme, relevant programmes at WMO and the Bureau International des Poids et Mesures (BIPM). It outlines the next steps required for the implementation of a GSRN: approval of the proposed GSRN by relevant WMO programmes, the GCOS programme and other sponsors, solicitation of offers to host and staff appropriately the proposed Lead Centre, and the selection of suitable sites for an initial GSRN.PermalinkPermalinkThe Izaña Atmospheric Research Center (IARC), which is part of the State Meteorological Agency of Spain (AEMET), represents a centre of excellence in atmospheric science. It manages four observatories in Tenerife, including the high altitude Izaña Observatory, which was inaugurated in 1916 and has since carried out uninterrupted meteorological and climatological observations and become a WMO Centennial Station.
This report summarizes the many activities of the Izaña Atmospheric Research Center.PermalinkIn keeping with the aims of the WMO Global Campus, multiple organizations came together to the CALMet Moodle Course for Trainers and Educators in Earth sciences. This online course is delivered in a Moodle website following a self-paced mode, although it can be locally adapted for facilitated delivery. The self-paced format allows you to decide how much time to dedicate to the course and when to study. Once enrolled, you can engage at the level you like and make the course fit your schedule. You may follow the units in a sequence or choose only what to you want to learn. Each of the units has ...PermalinkMeasurements of the content of radiocarbon (14C) in atmospheric carbon dioxide (CO2) provide a unique way to discriminate between fossil fuel combustion and natural sources of CO2. Simultaneous observations of CO2 and 14C demonstrate the decline of 14C content in atmospheric CO2 caused by CO2 addition from fossil fuel combustion. This finding illustrates the importance of long-term measurements of atmospheric composition by laboratories involved in the WMO Global Atmosphere Watch (GAW) Programme in helping identify greenhouse gas emission sources.PermalinkThe report provides case studies, examples and explanations as to the role of climate information and services to support agriculture in the face of climate variability and change, assesses gaps and makes recommendations. This analysis helps highlight both challenges and opportunities for climate service efforts
aimed at promoting climate resilient development and adaptation action.Permalink
PermalinkThe Technical Regulations are determined by the World Meteorological Congress in accordance with Article 8 (d) of the Convention.
These Regulations are designed:
(a) To facilitate cooperation in meteorology and hydrology among Members;
(b) To meet, in the most effective manner, specific needs in the various fields of application of meteorology and operational hydrology in the international sphere;
(c) To ensure adequate uniformity and standardization in the practices and procedures employed in achieving (a) and (b) above.PermalinkThis publication examines the physical, material and psychological gender-differentiated impacts of weather and climate as well as the gender-specific needs for information and services on the basis of primary data emerging from 18 case studies, including three in-depth studies (Bangladesh, Fiji and Botswana) and other empirical evidence. It explores the experiences of different groups of women and men at the intersection with other social categories like age, economic status, location, disability, or marital status. It also analyzes gender relations and roles in two climate-sensitive sectors: ...PermalinkPermalinkThe rules of procedure for the regional associations have been adopted in accordance with Regulation 3 of the General Regulations. Their goal is to ensure standardized procedural arrangements for all regional associations and their subsidiary bodies.PermalinkThe rules of procedure for the technical commissions have been adopted in accordance with Regulation 3 of the General Regulations. Their goal is to ensure standardized procedural arrangements for all technical commissions and their subsidiary bodies.PermalinkThe purpose of this Compendium is to provide Members with easy access to all the WMO competency frameworks that have been implemented since the first frameworks for aeronautical meteorological personnel were put in place in 2013. This publication accompanies the Guide to Competency (WMO-No. 1205), which provides competency implementation advice to Members.Permalink
PermalinkThe World Meteorological Organization (WMO) strives to ensure that its Members are capable of providing the standard and recommended practices for marine meteorological service delivery, as described in the WMO Technical Regulations.
At the end of 2018, a survey was conducted to collate this status report of Members capabilities in the provision of the marine and coastal services. The survey results presented in this report, will help WMO better understand Member's needs to take appropriate action to target and prioritize areas requiring assistance, especially in relation to capacity bu ...PermalinkPermalinkWorld Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2019PermalinkWorld Meteorological Organization (WMO) ; United Nations Environment Programme (UNEP); Intergovernmental Panel on Climate Change (IPCC); et al. - WMO, 2019PermalinkPermalinkWorld Meteorological Organization (WMO) ; United Nations Educational, Scientific and Cultural Organization (UNESCO); Intergovernmental Oceanographic Commission (IOC); et al. - WMO, 2019PermalinkPermalinkPermalinkContains lists of the Congress and Executive Council resolutions.PermalinkToday, there is a need to join forces for a people-centric and planet-centric future collaboration, based on a common vision and commitment. The Open Consultative Platform – Partnership and Innovation for the Next
Generation of Weather and Climate Intelligence – has been established and this Summary of the High-Level Round Table discussions contains a Joint Statement and a description of the way forward.PermalinkPermalinkPermalinkFluvial systems provide a wide range of necessary services for human society to thrive on. These are the so-called ecosystem services: food, drinking water, natural flood mitigation, energy and so forth. Such services are linked to an appropriate level of functionality of fluvial processes, which can be accounted for in terms of ecological objectives. These ecological objectives in watercourses can be reached only if appropriate flow and sediment regimes and related quality of channel morphology are guaranteed. The establishment and maintenance of such flow regimes, namely environmental flows ...PermalinkPermalinkThe project was implemented by the World Meteorological Organization (WMO) in collaboration with the National Meteorological Services of Benin, Burkina Faso, Cape Verde, Chad, Côte d´Ivoire, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone and Togo with funds provided by the Ministry of Foreign Affairs of the Norwegian Government but also by the Government of Greece and minor contributions from AEMET (Spain), EUMETSAT and WMO regular budget.PermalinkPermalink
Permalink“The Global Observing System for Climate: Implementation Needs” (GCOS, 2016), further referred to as “GCOS Implementation Plan”, calls in its Action A29 for defining “the requirement for lightning measurements, including data exchange, for climate monitoring and to encourage space agencies and operators of ground-based systems to strive for global coverage and reprocessing of existing datasets”. The GCOS Implementation Plan was endorsed by the Commission for Basic Systems (CBS) at its Sixteenth session (WMO, 2016) and CBS decided “to support Members, as appropriate, in the implementation of th ...PermalinkAction A24 of the GCOS Implementation Plan (GCOS-200), calls for the implementation of an archive for radar reflectivities. The Commission for Basic Systems (CBS) at its Sixteenth session (WMO-1183) endorsed the GCOS Implementation Plan and “Decides to support Members, as appropriate, in the implementation of the actions identified in the GCOS Implementation Plan”. EC-69 (WMO, 2017 - WMO, 1196) invited members “To work towards the full implementation of the Global Climate Observing System (GCOS) implementation plan.”
At the 22nd Session of the GCOS/WCRP Atmospheric Observation Panel for ...PermalinkThe World Meteorological Organization dispatched an expert mission to Mozambique to assess the requirements and capabilities of the National Institute of Meteorology (INAM) and the National Directorate of Water Resources Management (DNGRH) and their coordination with the National Disaster Management Institute (INGC) for an End-to-End Multi-Hazard Early Warning System in the context of disaster risk management. The results of the mission should inform plans and investments in strengthening the Early Warning System and disaster risk management in the country, particularly during reconstruction t ...PermalinkPermalinkThis guide covers issues that authors, scientific editors and linguists working at and for WMO may encounter during the preparation of material for publication. It is not exhaustive, focusing rather on common problems encountered and frequently asked questions asked by colleagues.
Largely based on the United Nations Editorial Manual Online, which remains the primary authority on style and spelling in the United Nations system, this guide focuses on the specific terminology, spelling and style that occur in WMO material.PermalinkPermalinkHIGHWAY delivers improved early warnings to local communities by using innovative products and leveraging existing scientific expertise of the national meteorological services in the East African Region.PermalinkPermalinkThe WMO HydroHub offers a new approach for acquiring, maintaining and sharing hydrological data on a sustainable basis.PermalinkPermalinkThis publication marks the twenty-fifth anniversary of the WMO Statement on the State of the Global Climate, which was first issued in 1994. The 2019 edition treating data for 2018 marks sustained international efforts dedicated to reporting on, analysing and understanding the year-to-year variations and long-term trends of a changing climate.PermalinkThe WMO Fellowship Programme plays a key role in the attainment of the Organization’s capacity development goals. Much has been done by the programme over several decades for the capacity building of NMHSs in developing countries, particularly in Least Developed Countries (LDCs) and Small Island Developing States (SIDS), but the demand for training is never-ending and revolves around the emerging dynamic issues relating to science, technology, human and societal needs. An evaluation was therefore carried out to review the performance of the programme, particularly its impact on and benefit to ...PermalinkThe METAGRI project was implemented by the World Meteorological Organization (WMO) in collaboration with the National Meteorological Services of Benin, Burkina Faso, Cape Verde, Côte d´Ivoire, Gambia, Ghana, Guinea, Guinea-Bissau, Liberia, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone and Togo with funds provided by the State Meteorological Agency of Spain (AEMET).
WMO and AEMET agreed to launch a project on Agrometeorology to support West African Agriculture following the October 2007 Conference of Directors of National Meteorological and Hydrological Services of West Africa. ...PermalinkThe World Meteorological Organization (WMO) commissioned the WMO 2016 Survey on the Use of Satellite Data to collect information on the availability and use of satellite data and products for meteorological and related environmental applications by users globally, and to identify obstacles and areas for improvement. WMO carries out this global Survey every four years, and the results from the previous 2012 Survey1 are used as a baseline in this report wherever possible.PermalinkMany initiatives and partnerships have flourished under the umbrella of the African Union’s Strategy on Meteorology by aligning their actions with its priorities and demonstrating coherence of efforts. This report highlights key initiatives that have been made possible as a result of the increased visibility AMCOMET has brought to weather, climate and water services in Africa. The report gives us an opportunity to review the first eight years of AMCOMET and to give recognition to its many achievements.PermalinkThis booklet is a simple guide to the aeronautical meteorological codes, METAR, SPECI and TAF, applicable on 8 November 2018, updated as a result of the alignment of the Technical Regulations (WMO-No. 49), Volume II – Meteorological Service for International Air Navigation, Parts I and II, with Amendment 78 to Annex 3 to the Convention on International Civil Aviation. It is aimed at a wide range of users such as pilots, flight dispatchers, air traffic control staff and meteorological observers at smaller aerodromes where sophisticated automated instruments are not available. Although the reade ...PermalinkPermalinkPermalinkWorld Meteorological Organization (WMO) ; World Bank the; Global Facility for Disaster Reduction and Recovery, the ; et al. - WMO, 2019Permalink
By Harry F. Lins and Petteri Taalas, p.3
Water Security in a Changing Climate
By Michael H. Glantz, p.4
Water in the International Framework
By Tommaso Abrate, p.9
Celebrating 25 Years of WHYCOS
By Michel Jarraud, p.11
Management of Hydrological Information and Sustainable Development
By Frédéric Maurel, p.13
Case Study: Implementation of the IGAD‑HYCOS Project in Uganda
By Nebert Wobusobozi and Leodinous Mwebemb ...PermalinkPermalinkPermalinkPermalinkThe purpose of this Guide is to provide guidance to Members’ organizations that are developing, implementing and/or maintaining competency-based training and assessment programmes based upon the World Meteorological Organization (WMO) competency frameworks established in the Technical Regulations, Volume I (WMO-No.49).
Examples of selected Members’ best practices are included in this guidance material to facilitate transfer of knowledge and experience, and thus enable organizations to achieve compliance with the WMO requirements in the most efficient way.
This Guide will also be ...Permalink