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The Metrology for Meteorology project

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Metrology for Essential Climate Variables


Starting from the experience achieved during the previous JRP ENV07 MeteoMet on the traceability to SI of some Essential Climate Variables (ECVs) and the evaluation of calibration uncertainties, this joint research project, JRP (ENV58 MeteoMet2) is extending the investigations to other variables and further evaluation aspects and contributions to the uncertainty.


As stated by GCOS “Long-term, high-quality and uninterrupted observations of the atmosphere, land and ocean are vital for all countries, as their economies and societies become increasingly affected by climate variability and change”. High-quality observations are possible only if they are based on a sustained traceability to SI and with uncertainties associated to the measured ECVs.


To investigate the performance of humidity sensors in real working conditions, reference systems will be developed to validate reference instruments and test facilities for radiosonde and airborne sensors. Two types of sensors for fast changing ECVs were be improved: a microwave hygrometer, and a reference free space instrument for temperature and humidity detection.


The project is delivering advances to an international science area of critical importance to future global sustainability. The dissemination and impact is based on the network of collaborators, established during the previous JRP ENV07 MeteoMet. The vision of this JRP is to establish a permanent collaboration between metrology and meteorology communities for the benefit of the future generations of climatologists.



There are no upcoming events at this time


Waiting for MMC 2021

Endorsed by the Standing Committee on Measurements, Instrumentation and Traceability (SC-MINT) of WMO Commission for Observation, Infrastructures and Information Systems (INFCOM)   Waiting for MMC is the title of the 2021 […]

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Senkova Domacija, Jezersko, Slovenia
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MMC 2023

A conference organized and supported by NEW!!!! The Book of Abstracts is available here  Program of the whole event is available here Detailed program of MMC 2023 is available here […]

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Palazzina di Caccia di Stupinigi, piazza principe amedeo 7
Stupinigi, 10042 Italy
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Inauguration of CRS Climate Reference Station

During the MMC 2023 event in Stupinigi Palace (Torino), which took place 26-29th September 2023, the Climate Reference Station developed during project CRS was inaugurated. Thanks to the work of […]

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Parco pubblico I Tronchi, Nichelino,


MeteoMet has developed metrological traceability for the measurement of main essential climate variables (ECV) defined by GCOS.
It is structured in 3 technical work packages (WP), each covering a different area of observation, the Impact WP and Managment WP.

 WP 1


Provision of suitable calibration facilities and procedures for humidity sensors working under actual measurements conditions

 WP 2


Provision of suitable calibration facilities and procedures for humidity sensors working under actual measurements conditions

 WP 3


Provision of suitable calibration facilities and procedures for humidity sensors working under actual measurements conditions



WORK MONTHS (90 years!)




  • Teknologian Tutkimuskeskus (CP) Martti Heinonen
  • VSL (CP) Andrea Peruzzi
  • Universitat Politècnica de Catalunya (EG) Joaquín del Río
  • Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (CP) Murat Kalemci
  • University of Ljubljana (CP) Gaber Begeš
  • Federale Overheidsdienst Economie, KMO, Middenstand en Energie (CP) Miruna...
  • Service hydrographique et océanographique de la Marine unfunded partner
  • Physikalisch-Technische Bundesanstalt (CP) Volker Ebert
  • NPL Management Limited (CP) Stephanie Bell
  • Istituto Nazionale di Ricerca Metrologica (CP) A Merlone, coordinator
  • Institut za mjeriteljstvo Bosne i Hercegovine (CP) Nedzadeta Hodzic
  • Danish Technological Institute (CP) Jan Nielsen
  • Agencia Estatal Consejo Superior de Investigaciones Cientificas (CP) Pedro...
  • Conservatoire national des arts et metiers (CP) Fernando Sparasci
  • Cesky Metrologicky Institut Brno (CP) Radek Strnad
  • Centre Technique des Industries Aérauliques et Thermiques (CP)...
  • Centro Español de Metrología (CP) C García-Izquierdo
  • Phys.-Techn. Pruefdienst des Bundesamt fuer Eich- und Vermessungswesen


  • State and behaviour of the Earth's atmosphere
    World Meteorological Organization
  • ARPA Piemonte Italy
    Permafrost monitoring
  • Meteo Swiss Switzerland
    National weather service
  • Vaisala Finland
    Instrumentations provider
  • Società Meteorologica Italiana Italy
    Meteorological and climate information...
  • Meteomodem France
    Upper air instruments manufacturer
  • Internationales Zentrum für Nachhaltige Entwicklung Germany
    Meteorology for renewable energy...
  • Institut für Umweltphysik Heidelberg, Germany
    Remote sensing
  • CNR, Unità di Torino Italy
    Earthmoving machinery and soil
  • Univ.di Torino - Dip.di Scienze della Terra Italy
    Climate variables
  • Università di Napoli 2 Italy
    Environmental Physics
  • ARPA Valle d’Aosta Italy
    Permafrost dynamics and degradation
  • Dpt. of Meteorology, Univ. of Reading UK
    Meteo. measurements and instrumentation
  • Rotronic UK
    Instrumentations provider
  • Osservatorio Meteo Duomo Italy
    General meteorology and climatology...
  • NK Electronics France
    Designer and manufacturer of...
  • Lombard & Marozzini Italy
    Instruments supplier for industry...
  • LUFFT Germany
    Designer and manufacturer meteorological...
  • Laboratoire de Météorologie Dynamique France
    Climate processes and change
  • Korea research institute of standards and science South...
    Special chambers for radiosonde...
  • Università IUAV di Venezia Italy
    Env.control, acoustics, lighting, comfort...
  • International Surface Temperatures Initiative
    Uncertainties in historical series
  • GCOS Reference Upper Air Network
    Traceability for radiosondes measurements
  • Istituto di Ricerca per la Protezione Idrogeologica - CNR...
    Temperatures at high-elevation sites
  • Finnish Meteorological Institute Finland
    Radiosondes and cryogenic frost...
  • Federal Hydrometeorological Institute BIH
    Meteorology and environment quality
  • Extreme Energy Events Project, E. Fermi, INFN Italy
    Extreme Energy Events
  • Climate Consulting Italy
    Meteorological and climatological fields
  • Cal Power Italy
    Instrumentations provider
  • Centro en Cambio Climático, Univ.Rovira i Virgili New Tarragona,...
    Climate data restoration
  • Bodeker-Scientific New Zealand
    Upper-air measurements
  • BARANI Slovakia
    Weather instruments. Collaborating on...
  • Alfred Wegener Institut Germany
    Ocean methods and instruments...
  • Environmental Agency of the republic of Slovenia
    Environmental Agency
  • 3a, Srl. Italy
    Agro-meteorological data management


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