– the intergovernmental organization through which Member States act together
     on matters related to measurement science and measurement standards.
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World Meteorological Organization (WMO)

The World Meteorological Organization (WMO) is the specialized agency of the United Nations for meteorology (weather and climate), operational hydrology and related geophysical sciences.

The BIPM and WMO cooperate to raise awareness within WMO of the issues of metrological traceability and measurement uncertainty, ensure appropriate use of SI units in the within the WMO measurement networks and demonstration of degrees of equivalence between measurement standards maintained in the WMO networks and NMIs.

Formal relationship:
Links between the BIPM and the WMO:

  • WMO has designated the following laboratories for different measurements: EMPA, NOAA/ESRL and PMOD/WRC.
  • WMO representatives now attend both CCQM (CCQM-GAWG) and CCPR meetings.
  • The BIPM participates in a number of WMO-GAW scientific advisory groups, notably for ozone, VOCs and NOxy gases.

BIPM contact(s):