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Acronyms

A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z

 

A

AABW Antarctic Bottom Water
AAMS Asian Aeronautical Meteorology Service
AATSR Advanced Along Track Scanning Radiometer
ABI Advanced Baseline Imager
ABL Atmospheric boundary layer
ACARS Aircraft Communications Addressing and Reporting System
ACC Antarctic Circumpolar Current
ACE Accumulated cyclone energy
ACIA
Arctic Climate Impact Assessment
ACMAD African Centre of Meteorological Application for Development
ACS Association of Caribbean States
ACSAD Arab Center for the Studies of Arid Zones and Dry Lands
ACSYS Arctic Climate System Study (WCRP)
ADCP Acoustic Doppler current profiler
ADM Atmospheric Dynamics Mission
ADRC Asian Disaster Reduction Centre
AEM Aeronautical Meteorology (WMO Division)
AeMP Aeronautical Meteorological Programme (WMO/AMP)
AER Atmospheric Environment Research (WMO Division)
AFIRS Automated Flight Information Reporting System
AFTN Aeronautical Fixed Telecommunication Network
AgM Agricultural Meteorology (WMO Division)
AgMP Agricultural Meteorology Programme (WMO/AMP)
AGRHYMET Regional Centre for Agrometeorology and Hydrology
AHC Arctic Hydrological Cycle
AIFI Aircraft Inflight Icing Project (WMO/WWRP)
AIR Aircraft Observation (WMO Unit)
AIRS Atmospheric Infrared Sounder
ALECSO Arab League Educational, Cultural and Scientific Organization
ALPEX Alpine Experiment (GARP)
AMDAR Aircraft Meteorological Data Relay
AMESD African Monitoring of the Environment for Sustainable Development
AMO Atlantic Multi-decadal Oscillation
AMP Applications of Meteorology Programme (WMO)
AMSR Advanced Microwave Scanning Radiometer
AMSU Advanced Microwave Sounding Unit
ALECSO Arab League Educational, Cultural and Scientific Organization
AOAD Arab Organization for Agricultural Development
AOGCM Atmosphere-ocean general circulation model
APFM Associated Programme on Flood Management
ARCHISS Archival Climatic History Survey
ARE Atmospheric Research and Environment (WMO Branch)
AREP Atmospheric Research and Environment Programme (WMO)
ARGOS Data relay and platform location system
ARON Automated Remote Observation Network
ASAP Automated Shipboard Aerological Programme
ASBO Arctic Synoptic Basin-wide Oceanography programme (NERC, UK)
ASCAT Advanced Scatterometer
ASDAR Aircraft Satellite Data Relay
ASEAN Association of South-East Asian Nations (United Nations)
ASECNA Agency for Air Safety in Africa and Madagascar
ASG Assistant Secretary-General
ASTER Advanced Spaceborne Thermal Emission and Reflection Radiometer
ATM Asynchronous Transfer Mode
ATMS Advanced Technology Microwave Sounder
ATSR Along Track Scanning Radiometer
AUV Autonomous underwater vehicle
AVHRR Advanced Very High Resolution Radiometer
AWC Atlantic Water Core
AWCT Atlantic Water Core Temperature
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B

BAPMoN Background Air Pollution Monitoring Network
BAS British Antarctic Survey (UK)
BESOS Balloon Experiment on Standards for Ozone Sondes (WMO/GAW)
BIAC Bipolar Atlantic Thermohaline Circulation (IPY)
BO Budget Office (WMO)
BPG Bottom pressure gauge
BSH Basic Systems in Hydrology (WMO Division)
BSRN Baseline Surface Radiation Network (WCRP/GCOS)
 

C

CAEA Climate and Atmospheric Environment Activities (trust fund)
CAeM Commission for Aeronautical Meteorology (WMO)
CAgM Commission for Agricultural Meteorology (WMO)
CAL Computer-assisted learning
CAS Commission for Atmospheric Sciences (WMO)
CASO Climate of Antarctica and the Southern Ocean (IPY)
CBHWR Capacity Building in Hydrology and Water Resources Management(WMO Office)
CBS Commission for Basic Systems (WMO)
CCA Climate Coordination (WMO Division)
CCD Charge Coupled Device
CCFM Conferences, Contracts and Facilities Management Branch
CCl Commission for Climatology (WMO)
CCS Carbon capture and storage
CCCSN Canadian Climate Change Scenarios Network
CDBMS Climate Database Management System
CDW Circumpolar Deep Water
CEO Chief Executive Officer
CEOP Coordinated Enhanced Observing Period (WWW)
CEOS Committee on Earth Observation Satellites
CER Cabinet and External Relations (WMO Department)
CFCs Chlorofluorocarbons
CFMIP Cloud Feedback Model Intercomparison Project
Cg WMO Congress
CGMS Coordination Group for Meteorological Satellites
CHL Cold Halocline Layer
CHy Commission for Hydrology (WMO)
CIB International Council for Building Research Studies and Documentation
CICG Geneva International Conference Centre
CIDA Canadian International Development Agency
CIIFEN International Center on Research “El Niño”
CIMH Caribbean Institute for Meteorology and Hydrology
CILSS Permanent Inter-State Committee on Drought Control in the Sahel
CIMO Commission for Instruments and Methods of Observation (WMO)
CIPM International Committee for Weights and Measures
CIRM International Radio Maritime Committee
CliC Climate and cryosphere project (WCRP)
CLICOM Climate computing (WCP)
CLIMAG Climate Prediction for Agriculture
CLIPS Climate Information and Prediction Services (WCP)
CLIVAR Climate variability and predictability study (WCRP)
CLPA Climate Prediction and Adaptation (WMO Branch)
CLW Climate and Water (WMO Department)
CMO Caribbean Meteorological Organization
CNES Centre national d'études spatiales (National Space Research Centre) (France)
CNRS Centre national de la recherche scientifique (France)
COMET Cooperative Programme for Operational Meteorology Education and Training
COP Conference of the Parties
COPS Convective and Orographically induced Precipitation Study (AREP)
COSMIC Constellation of Satellites for Meteorology, Ionosphere and Climate
COSNA Composite Observing System for the North Atlantic
COST European Cooperation in the Field of Scientific and Technical Research
CPA Communication and Public Affairs (WMO Office)
CPD Conferences, Printing and Distribution (WMO Department)
CRASH Comprehensive Risk Assessment
CRED Centre for Research on the Epidemiology of Disasters
CRIDA Central Research Institute for Dryland Agriculture (India)
CrIS Cross-track Infrared Sounder
CryOS Cryosphere Observing System
CSD Commission on Sustainable Development (UN)
CSM Climate System Monitoring
CTBTO Comprehensive Nuclear Test Ban Treaty Organization
CTD Conductivity (salinity), temperature and depth
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D

DAR Discovery, access and retrieval (of data) (WIS)
DARE Data rescue
DART Deep ocean and reporting of tsunamis
DBCP Data Buoy Cooperation Panel (WMO/IOC)
DC Danube Commission
DCP Data-collection platform
DCPC Data Collection or Product Centre (WIS)
DCR Development Cooperation and Regional Activities (WMO Department)
DCS Data Collection System
DIVERSITAS An international programme of biodiversity science (ESSP/IGBP/IHDP/WCRP)
DMC Drought Monitoring Centre
DMCSEE Drought Monitoring Centre for South-Eastern Europe
DMS Data management system
DOAS Differential optical absorption spectroscopy
DPMU Documentation and Publications Management Unit (WMO)
DPFS Data Processing and Forecasting (WMO Division)
DPR Dual-frequency Precipitation Radar
DRMM WIS Data Representation, Metadata and Monitoring (WMO Division)
DRR Disaster Risk Reduction (WMO Divison and programme)
DSD Disaster Risk Reduction and Service Delivery (WMO Branch)
DSG Deputy Secretary-General
DST Decision support tool
DTS Data targeting system
   

E

EAC East African Community
EAMAC École Africaine de la Météorologie et de l'Aviation Civile
EC Executive Council (WMO)
EC European Commission (EU)
ECE Economic Commission for Europe (UN)
ECMWF European Centre for Medium-Range Weather Forecasts
ECO Economic Cooperation Organization
ECOSOC Economic and Social Council (UN)
ECOWAS Economic Community of West African States
ECT Group Action on Erosion Technology and Concentration
ECV(s) Essential climate variable(s)
EMEP Cooperative Programme for the Monitoring and Evaluation of the Long-range Transmission of Air Pollutants in Europe (ECE/WMO/UNEP)
EMPA Swiss Federal Laboratories for Materials Testing and Research
EMS European Meteorological Society
ENSO El Niño/Southern Oscillation
EPAC Environmental Pollution and Atmospheric Chemistry (WMO/CAS)
EPAS Performance Audit Service (WMO)
ERA Emergency Response Activities
ERNAM École Régionale de la Navigation Aérienne et du Management
ERSI École Régionale de Sécurité Incendie
ESA European Space Agency
ESCAP Economic and Social Commission for Asia and the Pacific (UN)
ESM Earth system model
ESSP Earth System Science Partnership
ET Expert team
ETC Group Action on Erosion Technology and Concentration
ETM Enhanced Thematic Mapper
ETR Education and Training (WMO Department)
ETRP Education and Training Programme (WMO)
EU European Union
EUCOS EUMETNET Composite Observing System
EULO Joint WMO/EUMETNET Office in Brussels
EUMETNET Network of European Meteorological Services
EUMETSAT European Organisation for the Exploitation of Meteorological Satellites
EUR Regional Office for Europe (WMO)
EUROPA Gateway to the European Union
EXR External Relations (WMO Office)
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F

FAO Food and Agriculture Organization of the United Nations
FASTEX Fronts and Atlantic Storm Track Experiment
FDP Forecast Demonstration Project (WMO/WWRP)
FEL Education and Fellowships (WMO Division)
FGGE First GARP Global Experiment
FIN Finance Division (WMO)
   

G

GARP Global Atmospheric Research Programme
GATE GARP Atlantic Tropical Experiment
GAW Global Atmosphere Watch (WMO/AREP)
GAWSIS GAW Station Information System
GCM Global Climate Model
GCOS Global Climate Observing System (WMO/IOC/ICSU/UNEP)
GDPFS Global Data-processing and Forecast System (WMO/WWW)
GEF Global Environment Facility (UNDP)
GEMS Global Environment Monitoring System (UN)
GEO Group on Earth Observations
GEOSS Global Earth Observing System of Systems
GERB Geostationary Earth Radiation Budget
GEWEX Global Energy and Water Cycle Experiment (WCRP)
GFDL Geophysical Fluid Dynamics Laboratory (USA)
GHG(s) Greenhouse gas(es)
GIFS Global Interactive Forecast System (WWRP/THORPEX)
GIIPSY Global Interagency IPY Polar Snapshot Year
GIS Geographical Information System
GISC Global Information System Centres (WIS)
GLOSS Global Sea Level Observing System
GMDSS Global Maritime Distress and Safety System (JCOMM)
GMI Global Precipitation Mission (GPM) Microwave Instrument
GOES Geostationary Operational Environmental Satellites (USA)
GOME Global Ozone Monitoring Experiment
GOMOS Medium resolution spectrometer
GOOS Global Ocean Observing System (IOC/WMO/ICSU/UNEP)
GOS Global Observing System (WMO/WWW)
GPCC Global Precipitation Climatology Centre
GPCP Global Precipitation Climatology Project (WCRP)
GPS Global Positioning System
GRACE Gravity Recovery and Climate Experiment
GRDC Global Runoff Data Centre
GSICS Global Space-based Inter-Calibration System
GSN GCOS Surface Network
GTN-G GCOS Terrestrial Network for Glaciers
GTN-H GCOS Terrestrial Network-Hydrology
GTN-P GCOS Terrestrial Network for Permafrost
GTOS Global Terrestrial Observing System
GTS Global Telecommunication System (WMO/WWW)
GUAN GCOS Upper Air Network
GURME GAW Urban Research Meteorological Environment (AREP)
GWP Global Water Partnership
   

H

HCFCs Hydrochlorofluorocarbons
HELCOM Baltic Marine Environment Protection Commission
HF High frequency
HFWR Hydrological Forecasting (WMO Division)
HIRS High Resolution Infrared Sounder
HMEI Association of Hydro-Meteorological Equipment Industry
HOMS Hydrological Operational Multipurpose System (WMO/HWRP)
HPTE High Profile Training Event
HR Human Resources (WMO Division)
HWRP Hydrology and Water Resources Programme (WMO)
HYCOS Hydrological Cycle Observing System (HWRP)
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I

IABM International Association of Broadcast Meteorology
IABP International Arctic Buoy Programme (DBCP)
IAEA International Atomic Energy Agency (UN)
IAF International Astronautical Federation
IAHS International Association of Hydrological Sciences (IUGG)
IAI Inter-American Institute for Global Change Research
IAMAS International Association of Meteorology and Atmospheric Sciences (IUGG)
iAOOS integrated Arctic Ocean Observing System (IPY)
IAPSO International Association for the Physical Sciences of the Ocean (IUGG)
IAS Internal Audit Service (WMO)
IASI Infrared Atmospheric Sounding Interferometer
IATA International Air Transport Association
IAU International Astronomical Union
IAUC International Association for Urban Climate
ICAO International Civil Aviation Organization (UN)
ICARP International Conference on Arctic Research Planning
ICHM International Commission on History of Meteorology
ICID International Commission on Irrigation and Drainage
ICIMOD International Centre for Integrated Mountain Development
ICL International Consortium on Landslides
ICPAC IGAD Climate Prediction and Applications Centre
ICSU International Council for Science
ICT Information and communication technology
ICT Implementation/Coordination Team
IDB Inter-American Development Bank
IDF International Development Fund
IDNDR International Decade for Natural Disaster Reduction (UN)
IDRC International Disaster Reduction Conference
IFAD International Fund for Agricultural Development (UN)
IFALPA International Federation of Air Line Pilots Associations
IFAP International Federation for Agricultural producers
IFID International Federation for Documentation
IGAC International Global Atmospheric Chemistry Programme (ICSU)
IGACO International Global Atmospheric Chemistry Observations strategy (WMO/GAW)
IGAD Intergovernmental Authority on Development
IGBP International Geosphere-Biosphere Programme (ICSU)
IGDDS Integrated Global Data Dissemination Service
IGOS Integrated Global Observing Strategy
IGOSS Integrated Global Ocean Services System (IOC/WMO)
IGPSS Integrated Global Ocean Services System
IGRAC International Groundwater Assessment Centre (UNESCO/WMO)
IGSDS Integrated Global Satellite Data Distribution System (WIS)
IGU International Geographical Union (ICSU)
IGY International Geophysical Year
IHD Internatoinal Hydrological Decade
IHDP International Human Dimensions Programme on Global Environmental Change (ESSP/DIVERSITAS/IGBP/WCRP)
IHE Institute for Water Education (UNESCO)
IAHR International Association of Hydraulic Engineering and Research
IHO International Hydrographic Organization
IHP International Hydrological Programme (UNESCO)
IIASA International Institute for Applied System Analysis
IICA Inter-American Institute for Cooperation on Agriculture
IMF International Monetary Fund (UN)
IMO International Maritime Organization (UN)
IMO International Meteorological Organization (predecessor of WMO)
IMO Instruments and Methods of Observation (WMO Unit)
IMOP Instruments and Methods of Observation Programme (WMO)
IMU Information Management Unit (WMO)
INFOHYDRO Hydrological Information Referral Service
Inmarsat International Mobile Satellite Organization
InSAR Interferometric Synthetic Aperture Radar
IOC Intergovernmental Oceanographic Commission (UNESCO)
IOCCP International Ocean Carbon Coordination project
IODE International Oceanographic Data and Information Exchange
IOI International Ocean Institute
IOO Internal Oversight Office (WMO)
IOS Integrated Observing Systems
IPA Information and Public Affairs (WMO programme)
IPA International Permafrost Association
IPAB International Programme for Antarctic Buoys (DBCP)
IPCC Intergovernmental Panel on Climate Change (WMO/UNEP)
IPY International Polar Year
IR Infrared
IRI International Research Institute for Climate and Society
IRMC International Radio Maritime Committee
ISB International Society of Biometeorology
ISC International Seismological Center
ISCCP International satellite Cloud Climatology Project (WCRP)
ISCS International Space Communications System
ISDR International Strategy for Disaster Reduction (UN)
ISESCO Islamic Educational, Scientific and Cultural Organization
ISO International Organization for Standardization
ISSS International Society of Soil Science
IT Information technology
ITD Information Technology Division (WMO)
ITCLP International Tropical Cyclone Landfall Programme (WMO/AREP)
ITP Ice-tethered platform
ITS Information and Telecommunication System (WMO Division)
ITU International Telecommunication Union (UN)
IUCN International Union for Conservation of Nature
IUFRO Internationanl Union of Forest Research Organizations
IUGG International Union of Geodesy and Geophysics
IURS International Union of Radio Science
IWRA International Water Resources Association
IWRM Integrated Water Resources Management
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J

JCOMM Joint WMO/IOC Technical Commission for Oceanography and Marine Meteorology
JCOMMOPS JCOMM in situ Observing Platform Support Centre
JCRF Joint Climate Research Fund (WCRP)
JCSDA Joint Center for Satellite Data Assimilation (USA)
JIU Joint Inspection Unit (UN)
JPO/GCOS Global Climate Observing System Joint Planning Office
JPS/WCRP World Climate Research Programme Joint Planning Staff
JSC Joint Scientific Committee (WCRP)
JSTC Joint Scientific and Technical Committee
   

L

LAS League of Arab States
LCBC Lake Chad Basin Commission
LDC(s) Least Developed Countr(y)ies
LDCR Office for the LDC Programme and Regional Coordination (WMO)
LIS Land Information System
LRIT Low Rate Information Transmission
LRPT Low Rate Picture Tramsmission
LSP Linguistic Services and Publishing (WMO Branch)
LSPIV Large-scale particle image velocimetry
   

M

MAP Mesoscale Alpine Programme (WMO/AREP)
MAP Meteorological Applications (WMO Branch)
MAR Marine and Ocean Meteorological Observations and Data Management (WMO Unit)
MDD Meteorological data distribution (Meteosat)
MEDEX Mediterranean Experiment (WMO/AREP/WWRP)
MEOP Marine Mammal Exploration of the Oceans Pole to Pole (IPY)
MERIS Medium Resolution Imaging Spectrometer Instrument
MERCOSUR Southern Common Market (Argentina, Brazil, Paraguay and Uruguay)
METEOALARM Severe weather warnings for Europe
METOP Meteorological Operational Polar Satellite (EUMETSAT)
MIPAS Michelson Interferometer for Passive Atmospheric Sounding
MIRAS Microwave Imaging Radiometer using Aperture Synthesis
MISR Multiangle Imaging SpectroRadiometer
MLS Microwave Limb Sounder
MMO Marine Meteorology and Ocean Affairs (WMO Division)
MMOP Marine Meteorology and Oceanography Programme (WMO)
MODIS Moderate-resolution Imaging Spectroradiometer
MOPITT Measurements of Pollution in the Troposphere
MoU Memorandum(s) of Understanding
MPERSS Marine Pollution Emergency Response Support System (JCOMM)
MPLS Multi-Protocol Label Switching
MSG Meteosat Second Generation
MTN Main Telecommunication Network
MWR Microwave radiometer
   

N

NABOS Nansen and Amundsen Basins Observational System
NAO North Atlantic Oscillation 
NASA National Aeronautics and Space Administration (USA)
NBA Niger Basin Authority
NC National Centre (WIS)
NCAR National Center for Atmospheric Research (USA)
NCDC National Climate Data Center (USA)
NCEP National Centers for Environmental Prediction (USA)
NDACC Network for the Detection of Atmospheric Composition Change (formerly Network for the Detection of Stratospheric Change (NDSC))
NDSC Network for the Detection of Stratospheric Change (now the Network for the Detection of Stratospheric Change (NDSC))
NERC Natural Environment Research Council (UK)
NESDIS National Environmental Satellite, Data and Information Service (USA)
NHS National Hydrological Service
NIS Newly Independent States
NMC National Meteorological Centre
NMHS National Meteorological and Hydrological Service
NMS National Meteorological or Hydrometeorological Service
NOAA National Oceanic and Atmospheric Administration (USA)
NPC Numerical Prediction Centre
NPOESS National Polar-orbiting Operational Environmental Satellite System (USA)
NRT Non-real-time
NWP Numerical weather prediction
NYLO New York Liaison Office (WMO)
   

O

OBS Observing and Information Systems (WMO Department)
OceanSITES Ocean Sustained Interdisciplinary Time Series Environmental Observation System
ODS Ozone-depleting substance(s)
OECD Organization for Economic Cooperation and Development
OFID OPEC Fund for International Development
OIF International Organization of the Francophonie
OIS Operational Information Service (WWW)
OIS System Support Activities (WMO Unit)
OHR Operational Hydrology Report (WMO)
OMEGA Radio navigation system
OMPS Ozone Mapping and Profiler Suite
OPAG Open Programme Area Group
OPEC Organization of the Petroleum Exporting Countries
OSD WMO Observing Systems Division
OWS Ocean Weather Station
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P

PA Programme Area (CBS)
PACE Permafrost and Climate in Europe (European Union)
PC Personal computer
PDA Personal digital assistant
PEP Printing and Electronic Publishing (WMO Unit)
PJTC Permanent Joint Technical Commission for Nile Waters
POES Polar Operational Environmental Satellite (USA)
PO WIGOS WIGOS planning office (WMO)
PR Permanent representative (WMO)
PSPC Permanent South Pacific Commission
PSS Programme Support Services (WMO Department)
PTS Procurement and Travel Services (WMO Division)
PUMA Preparation for the Use of METEOSAT Second Generation in Africa
PWMU Public Information Products and Website Management Unit (WMO)
PWS Public weather services
   

Q

QA Quality assurance
QBO Quasi-Biennial Oscillation
QC Quality control
QMS Quality management system
   

R

RA Regional association (WMO)
RAF Regional Office for Africa (RAF)
RAFC Regional Area Forecast Centre (ICAO/WMO)
RAM Regional Office for the Americas (WMO)
RAP Regional Office for Asia and South-West Pacific (WMO)
RBSN Regional Basic Synoptic Networks
RCC Regional Climate Centre
RDP Research and Development Project (WMO/AREP/WWRP)
REM Resource Management (WMO Department)
RES Research (WMO Department)
RFC Radio Frequency Coordination
RIC Regional Instrument Centre
RMC Regional Meteorological Centre (WWW)
RMDCN Regional Meteorological Data Communication Network
RMO Resource Mobilization Office (WMO)
RMTN Regional Meteorological Telecommunication Network
ROSE Radar Ocean Sensing
RP Regional Programme (WMO)
RSMC Regional Specialized Meteorological Centre (WWW)
RTC Regional Training Centre (WMO)
RTH Regional Telecommunication Hub (WWW)
RVR Runway visual range
   

S

SACEP South Asia Co-operative Environment Programme
SADC Southern African Development Community
SADIS Satellite Distribution System
SAG Scientific Advisory Group
SAM Southern Hemisphere Annular Mode
SAR Synthetic Aperture Radar
SASSI Synoptic Antarctic Shelf-Slope Interactions Study (IPY)
SAT WMO Space Programme (WMO Office)
SBIV Solar Backscatter UltraViolet
SBOS Space Based Observing (WMO Division)
SCAR Scientific Committee on Antarctic Research (ISCU)
SCIAMACHY Scanning Imaging Absorption Spectrometer for Atmospheric Chartography
SCOTI Standing Conference of Heads of Training Institutions of National Meteorological Services
SBSTA Subsidiary Body for Scientific and Technological Advice (UNFCCC and UNCCD)
SDSWs Sand and Dust Storms Warning System (WMO/AREP)
SEM Scanning electron microscope
SG Secretary-General
SHADOZ Southern Hemisphere Additional Ozonesondes project
SICA System for Central Amreican Integration
SIDS Small Island Developing State(s)
SMOS Soil Moisture and Ocean Salinity
SOI Southern Oscillation Index
SOLAS International Convention for the Safety of Life at Sea
SOO Ship of Opportunity
SOOP Ship of Opportunity Programme
SOOS Southern Ocean Observing System (IPY)
SOP(s) Standard operating procedure(s)
SOPAC Pacific Islands Applied Geoscience Commission
SOT Ship Observations Team
SPARC Stratospheric Processes and their Role in Climate (WCRP)
SPO Strategic Planning Office (WMO)
SPOT Satellite pour observation de la Terre (Earth observation satellite)
SPREP South Pacific Regional Environment Programme
SRB Surface radiation budget
SRTM Shuttle Radar Topography Mission
SSC Science Steering Committee
SSMIS Special Sensor Microwave Imager Sounder
SST Sea-surface temperature
START System for Analysis Research and Training (ESSP/IGBP/IHDP/WCRP)
STEND System for Technology Exchange for Natural Disasters (WMO)
SWIC Severe Weather Information Centre (WMO)
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T

TAC Traditional Alphanumeric Codes
TAMDAR Tropospheric Meteorological Data Reporting
TAO Tropical Atmosphere Ocean (WCRP)
TC Technical commission (WMO)
TC Tropical cyclone
TCDC Technical Cooperation among Developing Countries
TCOP Technical Cooperation Programme (WMO)
TCP Tropical Cyclone Programme (WMO Division and programme)
TCP/IP Transmission Control Protocol/Internet Protocol
TDCF Table-driven code forms
TF Trust fund
THORPEX The Observing System Research and Predictability Experiment (WMO/AREP)
TIROS Television infra-red observation satellite (USA)
TMI TRMM Microwave Imager
TMR Tropical Meteorology Research (WMO/AREP)
TN Technical Note (WMO)
TNO Netherlands Organization for Applied Scientific Research
TOGA Tropical Ocean-Global Atmosphere programme (WCRP)
TOVS TIROS Operational Vertical Sounder
T-PARC THORPEX Pacific Asian Regional Campaign
TRA Training Activities (WMO Division)
TRACECA Transport Corridor Europe-Caucasus-Asia
TREND Working Group on Training, the Environment and New Developments in Aeronautical Meteorology
TRMM Tropical Rainfall Measuring Mission
TRUCE Tropical Urban Climate Experiment (WMO/AREP)
TSIS Transportable Satellite Internet System
   

U

UCAR University Corporation for Atmospheric Research (USA)
UNCBD United Nations Convention on Biological Diversity
UNCCD United Nations Convention to Combat Desertification
UNCED United Nations Conference on Environment and Development
UNDP United Nations Development Programme
UNEP United Nations Environment Programme
UNESCO United Nations Educational, Scientific and Cultural Organization
UNFCCC United Nations Framework Convention on Climate Change
UNOSAT United Nations Office for Outer Space Affairs
UNV United Nations Volunteers
ULS Upward Looking Sonar
URSI International Union of Radio Science
UV Ultraviolet
UNWTO United Nations World Tourism Organization
   

V

VCP Voluntary Cooperation Programme (WMO)
VCP(ES) Voluntary Cooperation Programme (Equipment and Services)
VCP(F) Voluntary Cooperation Programme (Fund)
VHRR Very High Resolution Radiometer
VIRS Visible and Infrared Scanner
VIIRS Visible/Infrared Imager/Radiometer Suite
VOC Volatile organic compound
VOS Voluntary Observing Ship
VOSClim VOS Climate project
VTL Virtual Training Library
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W

WAFC World Area Forecast Centres (ICAO/WMO)
WAFS World Area Forecast System (ICAO/WMO)
WCASP World Climate Applications and Services Programme (WMO)
WCDMP World Climate Data and Monitoring Programme (WMO)
WCIRP World Climate Impact Assessment and Response Strategies Programme (WMO)
WCP World Climate Programme (WMO)
WCRP World Climate Research Programme (WMO/IOC/ICSU)
WDC World Data Centre
WDS Weather and Disaster Risk Reduction Services (WMO Department)
WEC World Energy Conference
WEEC World Energy Engineering Congress
WEF World Economic Forum
WFC World Food Council (UN)
WFP World Food Programme (UN)
WFUNA World Federation of United Nations Associations
WG Working Group
WGCM Working Group on Coupled Modelling (WCRP)
WGH Working Group on Hydrology
WGNE Working Group on Numerical Experimentation (WCRP)
WHO World Health Organization (UN)
WHYCOS World Hydrological Cycle Observing System
WIGOS WMO Integrated Global Observing Systems (WMO Branch)
WIPO World Intellectual Property Organization (UN)
WIS WMO Information System (WMO Branch)
WMC World Meteorological Centre (WMO)
WOAP WCRP Observations and Assimilation Panel
WOCE World Ocean Circulation Experiment (WCRP)
WOUDC World Ozone and Ultraviolet Radiation Data Centre (Toronto, Canada)
WRC World Radiation Centre
WSSD World Summit on Sustainable Development (UN)
WWF World Wildlife Fund
WWIS World Weather Information Service (WMO)
WWR World Weather Research (WMO Division)
WWRP World Weather Research Programme (WMO/AREP)
WWW World Weather Watch (WMO Programme)
   

X

XBT Expendable bathythermograph
XCTD Expendable conductivity, temperature and depth

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