MMOP Glossary and acronyms

MMOP Glossary and acronyms

Marine Meteorology and Oceanogrraphy Programme (MMOP) related glossary and acronyms are listed below. Other WMO related acronyms can be found here.





ADCP Acoustic Doppler Current Profiler
ABE-LOS IOC Advisory Body on the Law of the Sea
ADOS Autonomous Drifting Ocean Station
AG DBCP Action Groups
AIC Argo Information Centre
ALRS Admiralty List of Radio Signals
AMDAR Aircraft Meteorological Data Relay (WWW)
AMOC Area Meteorological and Oceanographic Coordinator
AMVER Automated Mutual assistance Vessel Rescue system
ANIMATE Atlantic Network of Interdisciplinary Moorings and Time-series for Europe
AODCJF Australian Ocean Data Centre Joint Facility
AOML NOAA Atlantic Oceanographic and Meteorological Laboratory (USA)
AOPC Atmospheric Observations Panel for Climate (of GCOS)
Argo International sub-surface profiling float programme of CLIVAR and GODAE (not an acronym)
ASAP Automated Shipboard Aerological Programme
AST Argo Steering Team
ATF Acoustic Tank Facility
ATWS Australian Tsunami Warning System
AVOS Automatic Voluntary Observing Ships System (Canada)
AWS Automated Weather Station



BATHY Report of bathythermal observation (FM 63–XI Ext. BATHY)
BATOS Automatic shipboard data acquisition and transmission system (Météo France)
BILKO UNESCO Virtual global faculty for remote sensing
BODC British Oceanographic Data Centre
BOM Bureau of Meteorology (Australia)
BSH Bundesamt für Seeschifffahrt und Hydrographie (Germany)
BSIM Baltic Sea Ice Meeting
BUFR Binary Universal Form for the Representation of meteorological data (FM 94–XI Ext. BUFR)
BUOY Report of a buoy observation (FM 18-XII BUOY)



CADC China Argo Data Centre
CARTWS Caribbean and Adjecent Seas Tsunami Warning System
CAS Commission for Atmospheric Sciences (of WMO)
CAVASSO Project for Atlantic VOS pCO2 measurement
CB Capacity Development
CBS Commission for Basic Systems (of WMO)
CCl Commission for Climatology (of WMO)
CDC Climate Diagnostic Centre (USA)
CDIAC Carbon Dioxide Information Analysis Centre (USA)
CDMP Climate Database Modernization Program (NOAA)
CDMS Climate Data Management System
CEOS Committee on Earth Observation Satellites
CGMS Coordination Group for Meteorological Satellites
CHy Commission for Hydrology (of WMO)
CIMO Commission for Instruments and Methods of Observation (of WMO)
CIS Canadian Ice Service
CLIMAR JCOMM International Workshops on Advances in Marine Climatology
CLIVAR Climate Variability and Predictability Programme (of WCRP)
CLIWOC Climatological Database for the World’s Ocean 1750-1854
CLS Collecte Localisation Satellites (France)
CM MCSS Contributing Member
C-MAN Coastal-Marine Automated Network (of NOAA/NDBC, USA)
CMM Commission for Marine Meteorology (of WMO, superseded by JCOMM in 1999)
CNES Centre national d'études spatiales (France)
CNRS French National Centre for Scientific Research (France)
COAPS Center for Ocean Atmosphere Prediction Studies (USA)
COMSAR Sub-Committee on Radio Communications and Search and Rescue (of IMO)
COOP Coastal Ocean Observations Panel (of GOOS)
COP Conference of the Parties (UNFCCC)
COPEPOD Coastal & Oceanic Plankton Ecology, Production & Observation Database
CORC Consortium on the Oceans Role in Climate
CORIOLIS In situ component of the French Operational Oceanography System
CPPS Permanent Commission of South Pacific
CPRNW Committee for Promulgation of Radio Navigational Warnings (of IHO)
CREX Character form for the REpresentation and eXchange of Data (FM 95–XII CREX)
CSA Canadian Space Agency
CSIRO Commonwealth Scientific and Industrial Research Organization (Australia)
CSM Commission for Synoptic Meteorology (of WMO, now CBS)
CTD Conductivity-Temperature-Depth probe



DAC Data Assembly Centre
DAMOCLES Developing Arctic Modeling and Observing Capabilities for Long-term Environmental Studies (European joint project)
DAR Data Discovery, Access and Retrieval service (WMO WIS)
DART Deep-ocean Assessment and Reporting of Tsunamis (buoy)
DB-TAG E-SURFMAR Data Buoy Technical Advisory Group
DBCP WMO-IOC Data Buoy Co-operation Panel
DCPC Data Collection and Production Centre (of WIS)
DCS Data Collection System
DiGIR Distributed Generic Information Retrieval
DM Data Management
DMAC IOOS Data Management and Communications (USA)
DMCG Data Management Coordination Group (of JCOMM)
DMPA Data Management Programme Area (of JCOMM)
DODS Distributed Oceanographic Data System
DPM Natural Disaster Prevention and Mitigation Programme (of WMO, now DRR)
DRM Disaster Risk Management
DRR Disaster Risk Reduction Programme (of WMO, formerly DPM)
DWD German Weather Service



E2E End to End Data Management
E2EDM End-to-End Data Management (JCOMM Pilot Project)
EBD Equivalent Buoy Density
EC Executive Council
EC European Commission
ECDIS Electronic Chart Display Information System
ECMWF European Centre for Medium Range Weather Forecasts
ECV Essential Climate Variables
EDMED European Directory of Marine Environmental Data
EEZ Exclusive Economic Zone
EGOS European Group on Ocean Stations (now merged into E-SURFMAR)
EMA Emergency Management Australia
EMSA European Maritime Safety Agency
ENC Electronic Navigational Charts
ENCODE Specific masking of the ship’s identification within GTS reports using a non repeating encoded ship’s identification
ENVISAT Environmental Satellite (ESA)
EOF Empirical Orthogonal Functions
ERA40 ECMWF 40-Year Re-analysis
ERS European Remote Sensing
ESA European Space Agency
E-SURFMAR Surface Marine programme of the Network of European Meteorological Services, EUMETNET (also a DBCP Action Group)
ET Expert Team
ET-AWS Expert Team on Requirements for Data from Automatic Weather Stations (of CBS/IOS)
ET-DRC Expert Team on Data Representation and Codes (of CBS)
ET-EGOS Expert Team on the Evolution of the Global Observing System (of CBS/IOS)
ET-CCDI Expert Team on Climate Change Detection and Indices(of CCl, CLIVAR, and JCOMM)
ET-CTS Expert Team on WIS-GTS, Communication Techniques and Structure (of CBS)
ET-DMP Expert Team on Data Management Practices (of JCOMM/DMPA and IODE)
ET-MAES Expert team on Marine Accident and Emergency Support (of JCOMM/SPA)
ET-MC Expert Team on Marine Climatology (of JCOMM/DMPA)
ET-MSS Expert team on Maritime Safety systems (of JCOMM/SPA)
ETRP Education and Training Department (of WMO)
ET-SI Expert Team on Sea Ice (of JCOMM/SPA)
ET-WISC Expert Team on WIS GISCS and DCPCs (of CBS)
ET-WS Expert Team on Wind Waves and Storm Surges (of JCOMM/SPA)
EUCOS EUMETNET Composite Observing System
EUMETNET The Network of European Meteorological Services
EUMETSAT European Organization for the Exploitation of Meteorological Satellites
EuroSITES European integrated network of open ocean multidisciplinary observatories
ECV Essential Climate Variable
EWS Early Warning System



FAO Food and Agriculture Organization
FGDC Federal Geographic Data Committee (USA)
FOAM Forecast Ocean Assimilation Model
FWIS Future WMO Information System



GA Geoscience Australia
GARP Global Atmospheric Research Programme
GCC Global Collecting Centre (for the MCSS)
GCMD Global Change Master Directory
GCN GLOSS Global Core Network
GCOS Global Climate Observing System (WMO-IOC-UNEP-ICSU)
GDAC Global Data Access Centre
GDP Global Drifter Programme (a DBCP Action Group)
GDPFS Global Data Processing and Forecasting System (of CBS)
GDSIDB Global Digital Sea Ice Data Bank
GEO Group on Earth Observations
GEOHAB Global Ecology and Oceanography of Harmful Algal Blooms
GEOSS Global Earth Observation System of Systems
GHRSST Group for High Resolution Sea Surface Temperature
GIS Geographical Information System
GISC Global Information System Centres (of WIS)
GLOSS Global Sea-level Observing System (of JCOMM)
GLOSS-GE GLOSS Group of Experts
GMDSS Global Maritime Distress and Safety System (of IMO)
GMES Global Monitoring for Environment and Security
GNI Gross National Income
GODAE Global Ocean Data Assimilation Experiment (of OOPC)
GODAR Global Oceanographic Data Archaeology and Rescue
GOHWMS Working Group on the Framework for a Global Tsunami and other Ocean-Related Hazards Early Warning System
GOOS Global Ocean Observing System (of IOC, WMO, UNEP, ICSU)
GOS Global Observing System (of WWW)
GOSUD Global Ocean Surface Underway Data Pilot Project (of IODE, JCOMM)
GPS Global Positioning System
GRA GOOS Regional Alliance
GSC GOOS Steering Committee
GSSC GOOS Scientific Steering Committee
GTOS Global Terrestrial Observing System (WMO, UNESCO, FAO, UNEP, ICSU)
GTS Global Telecommunication System (of WWW)
GTSPP Global Temperature Salinity Profile Programme (of IODE, JCOMM)



HAB Harmful Algal Bloom (IOC)
HF High Frequency
HGMIO Harmonizing Group on Marine Information Objects
HNS Hazardous and Noxious Substances
HOT Hawaii Ocean Timeseries



IABP International Arctic Buoy Programme (a DBCP Action Group)
IALA International Association of Lighthouse Authorities
IATTC Inter-American Tropical Tuna Commission (IATTC)
IBPIO International Buoy Programme for the Indian Ocean (a DBCP Action Group)
ICAO International Civil Aviation Organization
ICCAT International Commission for the Conservation of Atlantic Tuna
ICES International Council for the Exploration of the Sea
ICG-IOTWS Intergovernmental Coordination Group for the Indian Ocean Tsunami Warning and Mitigation System (of IOC)
ICG-ITSU International Coordination Group for ITSU (of IOC)
ICG-PTWS Intergovernmental Coordination Group for the Pacific Ocean Tsunami Warning and Mitigation System (of IOC)
ICG-WIS Inter-commission Coordination Group on the WMO Information System
ICOADS International Comprehensive Ocean-Atmosphere Data Set
ICS International Chamber of Shipping
ICSU International Council for Science
ICTT-QMF Inter Commission Task Team on Quality Management Framework (of WMO)
IFREMER Research Institute for the Exploitation of the Sea (France)
IGDDS Integrated Global Data Dissemination Service (of the WWW of WMO)
I-GOOS Intergovernmental Committee for GOOS
IGOS Integrated Global Observing Strategy
IGOSS WMO-IOC Integrated Global Ocean Services System (superseded by JCOMM in 1999)
IHO International Hydrographic Organization
IICWG International Ice Charting Working Group
IIP International Ice Portal
IMB Ice Mass Balance buoy
IMET Improved Meteorology program
IMMA International Maritime Meteorological Archive
IMMPC International Maritime Meteorological Punch-Card
IMMSC International Maritime Met-ocean Services Conference
IMMT International Maritime Meteorological Tape
IMO International Maritime Organization
IMO Icelandic Meteorological Office
IMSO International Mobile Satellite Organization
IMWM Institute of Meteorology and Water Management (Poland)
INMARSAT International maritime satellite private company
INPE Instituto Nacional de Pesquisas Espaciais (Brazil)
INSPIRE Infrastructure for Spatial Information in Europe
INTERCARGO International Association of Dry Cargo Shipowners
INTERTANKO International Association of Independent Tanker Owners
IOC Intergovernmental Oceanographic Commission (of UNESCO)
IOCCP International Ocean Carbon Coordination Project (of IOC)
IODE International Oceanographic Data and Information Exchange (of IOC)
IOI International Ocean Institute
IOOS Integrated Ocean Observing System (USA)
IOTC Indian Ocean Tuna Commission
IOTWS Indian Ocean Tsunami Warning and Mitigation System (of IOC)
IP Implementation Plan
IPAB WCRP-SCAR International Programme for Antarctic Buoys (a DBCP Action Group)
IPCC Intergovernmental Panel on Climate Change
IPET-MI Inter Programme Expert Team on Metadata Implementation (of CBS)
IPHAB Intergovernmental Panel on Harmful Algal Blooms
IPY International Polar Year (2007-2008)
IRD Institut de recherche pour le développement (France, ex ORSTOM)
ISABP International South Atlantic Buoy Programme (a DBCP Action Group)
ISDM Integrated Science Data Management (formerly MEDS) of Canada
ISO International Organization for Standardization
ISS Information Systems and Services (of CBS)
IT Information Technology
ITG Inter-commission Task Group
ITIC International Tsunami Information Center (of IOC)
ITP International Tsunameter Partnership
ITSU International Coordination Group for the Tsunami Warning System in the Pacific (of IOC)



JAMBOREE IODE/GOOS/JCOMM Combined Modelling and Data Management Training Workshop
JASON Altimeter Satellite (TOPEX follow-on)
JC Joint Committee
JCOMM Joint WMO-IOC Technical Commission for Oceanography and Marine Meteorology
JCOMMOPS JCOMM in situ Observations Programme Support Centre
JCOPE Japanese Coastal Ocean Predictability Experiment
J-EPB JCOMM Electronic Product Bulletin
JEWL-PP JCOMM Extreme Water Level Pilot Project
JMA Japan Meteorological Agency
JTA Joint Tariff Agreement (Argos)



KEO Kuroshio extension region
KMA Korea Meteorological Administration (Rep. Korea)
KNMI Royal Netherlands Meteorological Institute
KPI Key Performance Indicator
KPT Key Performance Target



LDC Least Developed Countries Programme (of WMO)
LES Land Earth Station (Inmarsat)
LRIT Long-range Identification and Tracking Systems
LUT Local User Terminal (Argos)



MAES Marine Accident Emergency Support (Expert Team of JCOMM/SPA)
MAN Management Committee (of JCOMM)
MARCDAT International Workshop on Advances in the Use of Historical Marine Climate Data
MASK Specific masking of the ship’s identification within FM-13 GTS reports using a unique repeating identification number
MCS Fast Track Marine Core Service
MCS Marine Climatological Summary
MCSS Marine Climatological Summaries Scheme
MDB Marine Data Bank, UK
MED Marine Environment Division (of IMO)
MEDI Marine Environmental Data Inventory
MEDS Marine Environmental Data Service (now ISDM), Canada
MEOW Maximum Envelope of Water
MERSEA Marine Environment and Security for the European Area (of EU)
META-T Water Temperature Metadata Pilot Project (JCOMM)
MFS Mediterranean ocean Forecasting System (of EU)
MIM MERSEA Information Management
MIO Marine Information Objects
MIROS Microwave Radar Observing System
MMI Marine Metadata Interoperability Project
MMOP Marine Meteorology and Oceanography Programme (of WMO)
MMS Marine Meteorological Services
MOC Meridional Overturning Circulation
MOTHY Modèle Océanique de Transport d'HYdrocarbures (France)
MPERSS Marine Pollution Emergency Response Support System (of JCOMM)
MPI Marine Pollution Incident
MQCS Minimum Quality Control Standards
MSC Maritime Safety Committee (of IMO)
MSG METEOSAT Second Generation (of EUMETSAT)
MSI Maritime Safety Information
MSS Maritime Safety Services
MT10 BUFR Master Table number 10 for Oceanographic Data



NAVOCEANO Naval Oceanographic Office (USA)
NAVTEX International system for reception of marine safety information
NBDP Narrow Band Direct Printing
NC National Centre (of WIS)
NCAR National Center for Atmospheric Research (USA)
NCDC National Climatic Data Center (NOAA, USA)
NCDDC National Coastal Data Development Center (NOAA, USA)
NCEP National Centers for Environmental Prediction (NOAA, USA)
NDBC National Data Buoy Center (NOAA, USA)
NEAMTWS Northeast Atlantic and Mediterranean Tsunami Warning System
NERC Natural Environment Research Council
NESDIS National Environmental Satellite Data and Information Service (NOAA, USA)
NetCDF Network Common Data Form
NGO Non Governmental Organization
NIOT National Institute of Ocean Technology (India)
NIS National Ice Services (Canada)
NMDIS National Marine Data and Information Service (China)
NMHS National Meteorological and Hydrological Service (WMO)
NMS National Meteorological Service
NOAA National Oceanic and Atmospheric Administration (USA)
NOCS National Oceanography Center Southampton (UK, former SOC)
NODC National Oceanographic Data Centre (IODE)
NORI National Oceanographic Research Institute (Rep. Korea)
NPDBAP DBCP-PICES North Pacific Data Buoy Advisory Panel (a DBCP Action Group)
NPOESS National Polar-orbiting Operational Environmental Satellite System (USA)
NSF National Science Foundation (USA)
NTWC National Tsunami Warning Centre
NWP Numerical Weather Prediction
NWPTA Northwest Pacific Tsunami Advisory
NWS National Weather Service (NOAA, USA)



OBIS Ocean Biogeographical Information System
OBSJMA Software package for the use of electronic observational logbooks (developed by the JMA)
OceanObs First International Conference for the Ocean Observing System for Climate
OceanSITES OCEAN Sustained Interdisciplinary Timeseries Environment observation System (a DBCP Action Group)
OCG Observations Coordination Group (of JCOMM)
OCO Office of Climate Observation (NOAA, USA)
ODAS Ocean Data Acquisition System
ODASMS ODAS Metadata Service (Operated by China for JCOMM)
ODIN Ocean Data and Information Network (of IOC)
ODINAFRICA Ocean Data and Information Network for Africa (of IODE)
OFS Operational Ocean Forecasting System
OGC Open Geospatial Consortium
OGP Oil and Gas Producers
OGP International Association of Oil and Gas Producers
ONR Office of Naval Research (USA)
OOPC Ocean Observation Panel for Climate (of GOOS, GCOS, WCRP)
OPA Observations Programme Area (of JCOMM)
OPAG Open Programme Area Group (of a WMO Technical Commission)
OPeNDAP Open-source Project for a Network Data Access Protocol
OPRC International Convention on Oil Pollution Preparedness, Response and Cooperation
OPSC Observing Programme Support Center
OPSCOMM Argos Operations Committee
ORION Ocean Research Interactive Observatory Networks project (USA, NSF)
OSE Observing System Experiment
OSMC Observing System Monitoring Center (NOAA, USA)
OSSE Observing System Simulation Experiment
OSTM Ocean Surface Topography Mission
OT OceanTeacher (of IOC)



PA Programme Area
PACPLAN Pacific Islands Regional Marine Spill Contingency Plan
PANGEA Partnerships for new GEOSS Applications
PAP Porcupine Abyssal Plain
PAPA Programme for a bAltic network to assess and upgrade an oPerational observing and forecAsting System in the region (EU project)
PDE Puertos Del Estado (Spain)
PGC Principal GTS Co-ordinator (of DBCP)
PICES North Pacific Marine Science Organization
PICO Panel for Integrated Coastal Observations
PICO Platform and Instrumentation for Continuous ocean Observations
PIRATA Pilot Research Moored Array in the Tropical Atlantic
PMEL Pacific Marine Environmental Laboratory (NOAA, USA)
PMO Port Meteorological Officer
PMOC Principal Meteorological or Oceanographic Centres responsible for the quality control of buoy data (of DBCP)
PMSI Polar Maritime Safety Information
PMT Platform Messaging Transceivers
POGO Partnership for Observation of the Global Oceans
POPS Polar Ocean Profiling System
PP Pilot Project
PTT Platform Transmitter Terminal (Argos)
PTWS Pacific Tsunami Warning System
PWS Public Weather Service



QA Quality Assurance
QARTOD Quality Assurance of Real-Time Oceanographic Data
QC Quality Control
QM Quality Management
QMF WMO Quality Management Framework



RA Regional Association
RA Regional Alliances
RA Radar Altimeter
RCC Rescue Coordination Centres
REAL FM-13 GTS report where the ship’s identification (the call sign) is not masked
RECLAIM RECovery of Logbooks And International Marine data project
RIC WMO Regional Instrument Centre
RM Responsible Members (of the MCSS)
RMC Regional Meteorological Centre
RNODC Responsible National Oceanographic Data Centre (of IODE)
RNODC/DB Responsible National Oceanographic Data Centre for Drifting Buoys (of IODE)
ROCRAM Operative Network of Regional Cooperation between Maritime Authorities of South America, Cuba, Mexico and Panama
ROOS Regional Ocean Observing Systems
RRR Rolling Review of Requirements
RSMC Regional Specialized Meteorological Centre (of CBS)
RTAC Regional Tsunami Advisory Centre
RTMC VOSClim Real Time Monitoring Centre
RTWC Regional Tsunami Warning Centre



SAMOS Shipboard Automated Meteorological and Oceanographic System
SAMS Scottish Association for Marine Science
SAR Search and Rescue
SAR Synthetic Aperture Radar
SAT Site Acceptance Test
SAWS South African Weather Service
SBD Short Burst Data (Iridium)
SBSTA Subsidiary Body for Science and Technological Affairs (of UNFCCC)
SCAR Scientific Committee on Antarctic Research
SCDPM Sub-Committee on Data Policy and Management (of IPY)
SCEOS Sub-Committee on Education, Outreach and Communication (of IPY)
SCG Services Coordination Group (of JCOMM)
SCOBS Sub-Committee on Observations (of IPY)
SCOR Scientific Committee on Oceanic Research (of ICSU)
SDR Satellite Data Requirements
SEACORM South East Asia Center for Ocean Research and Monitoring (Republic of Indonesia)
SeaDataNET Pan-European infrastructure for Ocean & Marine Data Management (of EU)
SEAS Shipboard Environmental (data) Acquisition System (electronic logbook of NOAA)
SG Steering Group
SGMC Subgroup on Marine Climatology (formerly of CMM; now ETMC under JCOMM)
SG-MEDI Steering Group for MEDI (of IODE)
SHIP GTS Report of surface observation from a Sea Station (FM 13–XI Ext. SHIP)
SHIP Specific masking of the ship’s identification within FM-13 GTS reports using the generic letters ”SHIP”
SHOM Service Hydrographique et Océanographique de la Marine (France)
SI Sea Ice
SIGRID Format for the archival and exchange of sea-ice data in digital form
SIMORC System of Industry Metocean data for the Offshore and Research Communities
SIO Scripps Institution of Oceanography (University of California, USA)
SL Sea Level
SMHI Swedish Meteorological and Hydrological Institute
SMOS ESA's Soil Moisture and Ocean Salinity
SOBP Southern Ocean Buoy Programme (of DBCP)
SOC Southampton Oceanography Centre (UK, Now NOCS)
SOC Specialized Oceanographic Data Centre (of former IGOSS, now JCOMM)
SOG Statement of Guidance
SOLAS International Convention for the Safety of Life at Sea
SOO Ship-of-Opportunity
SOOP Ship Of Opportunity Programme
SOOPIP Ship-of-Opportunity Programme Implementation Panel (of JCOMM/OPA/SOT)
SOT Ship Observation Team (of JCOMM/OPA)
SPA Services Programme Area (of JCOMM)
SSH Sea Surface Height
SSM/I Special Sensor Microwave/Imager
SSO Single Sign On
SSS Sea Surface Salinity
SST Sea Surface Temperature
STIP Stored Tiros Information Processing
Storm surge See defininition in FAQ
SURFA Surface Flux Analysis Project
SVP Surface Velocity Programme (of TOGA and WOCE, replaced by GDP)
SVP-B SVP Barometer drifter
SVP-BS SVP Barometer drifter with salinity
SVP-BT SVP drifter with temperatures in depth
SVP-BW SVP Barometer and Wind drifter

See definition in FAQ




Tropical Atmosphere Ocean Array

Top Of Atmosphere
TC Technical Commission
TC Technical Coordinator
TC Tropical Cyclone
TCP Tropical Cyclone Programme (of WMO)
TDCF Table Driven Code Forms
TECO-WIS Technical Conference on the WIS
TEMP-SHIP Upper-level temperature, humidity and wind report from a sea station (FM 36–XI Ext. TEMP SHIP)
TEP Thematic Portals
TESAC Temperature, salinity and current report from a sea station (FM 64–XI Ext. TESAC)
TEWS Tsunami Early-Warning System
THORPEX The Observing system Research and Predictability Experiment (of WMO)
TIP Tiros Information Processing
TIP Tropical Moored Buoys Implementation Panel (a DBCP Action Group)
TLO Top Level Objectives
TMSI Tsunami Maritime Safety Information
TOGA Tropical Ocean and Global Atmosphere (of WCRP)
TOPEX Ocean Topography Experiment
TOR Terms of Reference
TOWS-WG Working Group on Tsunamis and Other Hazards related to Sea Level Warning and Mitigation Systems
TRACKOB Report of marine surface observation along a ship's track (FM 62–VIII Ext. TRACKOB)
TRITON Triangle Trans-Ocean buoy network
TSG Thermosalinograph
TSMAD Transfer Standard Maintenance and Applications Development
TT Task Team
TT-QCAS Task Team on Quality Control and Automated Systems (of JCOMM/SOT/SOOPIP)
TT-DMVOS Cross-cutting TT on Delayed-Mode Voluntary Observing Ship data (of JCOMM/DMPA)
TT-MOCS TT on Marine-meteorological and Oceanographic Climatological Summaries (of JCOMM/DMPA/ETMC)
TT-OPD Task Team on Ocean Products Development (of JCOMM/SPA)
TTR Task Team on Resources
TT-TDCF TT on Table Driven Code Forms (of JCOMM/DMPA)
TWI Tsunami Watch Information
TWS Tsunami Warning System



UK United Kingdom
UN United Nations
UNEP United Nations Environment Programme
UNESCO United Nations Educational, Scientific and Cultural Organization
UNFCCC United Nations Framework Convention on Climate Change
UNOLS University National Oceanographic Laboratory System (USA)
UOP Upper Ocean Panel (of CLIVAR)
UOT Upper Ocean Thermal review
URD User Requirement Document (of SPA)
URL Uniform Resource Locator



VOS Voluntary Observing Ship
VOSClim Voluntary Observing Ships Climate Subset Project
VOSP Voluntary Observing Ship Panel (of JCOMM/SOT)
VSOP-NA Special VOS Observing Project for the North Atlantic



WaMoS Wave and Surface Current Monitoring System
WCP World Climate Programme (of WMO)
WCRP World Climate Research Programme (of WMO, IOC, and ICSU)
WDC ICSU World Data Centre
WGNE Working Group on Numerical Experimentation
WIS WMO Information System
WMO World Meteorological Organization (UN)
WMS Open Geospatial Consortium Web Map Services
WOCE World Ocean Circulation Experiment
WRAP Worldwide Recurring ASAP Project
WS Wind Waves and Storm Surges (Expert Team under JCOMM/SPA)
WSSRD Web Search Store Retrieve Display (of CDMP)
WWNWS World-Wide Navigational Warning Service (of IHO, and IMO)
WWW World Weather Watch (of WMO)



XBT Expendable Bathythermograph
XCTD Expendable Conductivity, Temperature and Depth profiling system
XML Extensible Markup Language