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| Voluntary Observing Ship program | |
|---|---|
| Name | Voluntary Observing Ship program |
| Type | Meteorological observation network |
| Established | 1853 |
| Operators | National Weather Service; United States Navy; World Meteorological Organization |
| Area | Global oceans |
| Status | Active |
Voluntary Observing Ship program The Voluntary Observing Ship program supports meteorological and oceanographic observations from merchant, naval, and research vessels to inform forecasting and climate records. It links seafaring platforms with institutions such as the National Oceanic and Atmospheric Administration, Royal Navy, Imperial Russian Navy, United States Coast Guard, and World Meteorological Organization to deliver surface weather, sea state, and ocean temperature data. Contributions to historical datasets intersect with projects like the International Comprehensive Ocean-Atmosphere Data Set, Hadley Centre analyses, Intergovernmental Panel on Climate Change assessments, and operational centers including Met Office and European Centre for Medium-Range Weather Forecasts.
The program enlists commercial shipping, United States Navy vessels, Royal Fleet Auxiliary units, research ships from institutions such as the Scripps Institution of Oceanography and Woods Hole Oceanographic Institution, and fishing fleets to record observations of wind, pressure, air temperature, sea surface temperature, and wave conditions. Observational reports are relayed via communication networks associated with Global Maritime Distress and Safety System, Inmarsat, Iridium Communications, and historical networks like Coastal Radio Stations and the International Telecommunication Union. Data feed into global archives maintained by organizations such as the National Centers for Environmental Prediction, Met Office Hadley Centre, and regional entities like the Pacific Marine Environmental Laboratory.
The program traces roots to mid-19th century naval logbook programs and initiatives by figures such as Matthew Fontaine Maury and institutions like the Royal Observatory, Greenwich. Early systematic shipboard meteorology grew alongside the expansion of the British Empire, United States maritime commerce, and institutions such as the Board of Trade (United Kingdom). Twentieth-century coordination involved the International Meteorological Organization, the League of Nations, and later the World Meteorological Organization which formalized standards after World War II; military drivers included the United States Navy during both World Wars and the Royal Navy in colonial-era hydrography. Technological milestones included the adoption of radio telephony, satellite communications pioneered by NASA and European Space Agency, and digital assimilation practices influenced by the Global Climate Observing System.
Participation is voluntary and often coordinated by national meteorological services like the National Weather Service, Met Éireann, and Servicio Meteorológico Nacional (Argentina), in collaboration with shipping companies such as Maersk, CMA CGM, and naval operators like the Royal Australian Navy. Ships enroll through national coordinators, receive observation manuals derived from standards set by the World Meteorological Organization and training from institutes like the International Maritime Organization. Reporting routes frequently align with major shipping lanes such as the North Atlantic Drift, Strait of Malacca, and transpacific passages connecting ports like Shanghai and Los Angeles; participating vessels represent fleets registered in flag states including Panama, Liberia, and Marshall Islands.
Observers record metrics including barometric pressure, wind direction and force, air temperature, sea surface temperature, wave height, and cloud cover using instruments standardized by the World Meteorological Organization and calibration programs linked to laboratories like the National Institute of Standards and Technology. Methods range from bucket sampling methods historically used since Matthew Fontaine Maury to modern underway thermosalinographs developed at facilities such as Scripps Institution of Oceanography. Data transmission employs protocols compatible with the Global Telecommunication System and formats used by the International Oceanographic Data and Information Exchange. Specialized observations may include sea ice reports coordinated with National Snow and Ice Data Center and voluntary chemical sampling coordinated with programs like the Global Ocean Observing System.
Reports enter processing centers such as the National Centers for Environmental Prediction, Met Office, and Japan Meteorological Agency where quality control routines use techniques developed by the Hadley Centre and research groups at Princeton University and Massachusetts Institute of Technology. Quality control addresses instrument bias, timestamping errors, and reporting conventions codified by the World Meteorological Organization and audited through metadata standards promoted by the Committee on Data (CODATA). Historical reanalysis projects such as 20th Century Reanalysis Project and the International Surface Pressure Databank incorporate program data after homogenization and bias correction routines.
Data support weather forecasting systems operated by European Centre for Medium-Range Weather Forecasts, typhoon warning centers like Joint Typhoon Warning Center, and climate studies informing Intergovernmental Panel on Climate Change reports. Long-term shipboard records underpin ocean heat content analyses produced by groups at NOAA and Hadley Centre and aid wave modeling work by institutions such as the University of Miami Rosenstiel School and the Institute of Ocean Sciences. The program has contributed to operational search and rescue coordination involving the International Maritime Organization and environmental response planning by agencies like United States Environmental Protection Agency.
Critiques focus on spatial and temporal sampling biases tied to commercial routes concentrated along corridors like the North Atlantic Current and underrepresentation in regions like the Southern Ocean and Arctic Ocean. Data quality concerns arise from heterogeneous instrumentation across operators such as Maersk and independent fishermen, and historical biases from methods promoted in the 19th century by figures like Matthew Fontaine Maury. Coordination challenges include sustaining participation amid deregulation of shipping registries tied to Flag of Convenience practices and adapting volunteer networks to automated observing systems like Argo (oceanography) floats, satellite missions from NASA and European Space Agency, and autonomous surface vehicles developed by Woods Hole Oceanographic Institution.
Category:Meteorological networks