CLPA: Climate Prediction and Adaptation Branch
CLRTAP: Convention on Long-Range Transboundary Air Pollution
CLS: Collecte, Localisation, Satellites
CLW: Climate and Water Department
CMA: China Meteorological Administration
CMC: Canadian Meteorological Centre
CMC: Caribbean Meteorological Council
CMDL: Climate Monitoring and Diagnostic Laboratory
CMG: Central Monitoring Group
CMG: Commission for Marine Geology
CMI: Caribbean Meteorological Institute
CMIP: Coupled Model Intercomparison Project
CMIS: Conical Microwave Imager Sounder
CMM: Commission for Marine Meteorology
CMO: Caribbean Meteorological Organization
CMOS: Canadian Meteorological and Oceanographic Society
CMSLT: Commission on Mean Sea Level and Tides
CMSWM: Center for Meteorological Studies of the Western Mediterranean
CMV: cloud motion vector
CNG: Compressed Natural Gas
CNR: Committee on Natural Resources
CNRS: Centre National de la Recherche Scientifique
CNS/ATM: Communications, Navigation and Surveillance/Air Traffic Management
CNSA: China National Space Administration
CO-COM: Coordinating Committee
COADS: Comprehensive Ocean-Atmosphere Data Set
COARE: Coupled Ocean-Atmosphere Response Experiment
CODAE: Coastal Data Assimilation Experiment
COF: Climate Outlook Fora
COM/MET/OPS: Communications/Meteorology/Operations
COM/MET/OPS: Comunicaciones/Meteorología/Operaciones
COMESA: Common Market for Eastern and Southern Africa
COMNAP: Council of Managers of National Antarctic Programmes
COMPARE: Comparison of Mesoscale Prediction and Research Experiment
COMS: Communications Oceanographic and Meteorological Satellites
CONASTAC: Contribution of Agriculture to the State of Climate
COOP: CLIVAR Ocean Observations Panel
COOP: Coastal Ocean Observations Panel
COP: Conference of the Parties
COPAC: Conference on Pan American Climate