South American Weather Forecasting Center

South American Weather Forecasting Center
Name	South American Weather Forecasting Center
Established	2004
Type	Intergovernmental meteorological center
Location	Brasília, Buenos Aires, Lima

South American Weather Forecasting Center is a regional meteorological institution providing operational weather prediction, climate monitoring, and risk assessment across South America. It serves as a focal point for cooperation among national meteorological services such as Servicio Meteorológico Nacional (Argentina), Instituto Nacional de Meteorología e Hidrología (Bolivia), Instituto Nacional de Meteorología e Hidrología (Peru), Instituto Nacional de Meteorología (Chile), Instituto Nacional de Meteorología (Uruguay), and Instituto Nacional de Meteorologia (Brazil). Its mission intersects with international entities including World Meteorological Organization, Intergovernmental Panel on Climate Change, and United Nations Office for Disaster Risk Reduction.

Overview

The Center provides short-term, medium-range, and seasonal forecasts integrating satellite products from NOAA, EUMETSAT, and JAXA with reanalysis datasets such as ERA5 and NCEP/NCAR Reanalysis. It supports decision-making for stakeholders like Mercosur, Union of South American Nations, and Amazon Cooperation Treaty Organization by issuing bulletins linked to frameworks used by International Civil Aviation Organization and World Health Organization for aviation and public-health advisories. Operational outputs include numerical model guidance, ensemble products, and impact-based warnings aligned with protocols from Group on Earth Observations and Global Framework for Climate Services.

History and Establishment

Initiatives leading to the Center trace to multilateral discussions at summits hosted by Organization of American States and technical meetings organized by World Meteorological Organization regional offices. Founding agreements were negotiated involving ministries from Argentina, Brazil, Chile, Colombia, Ecuador, Peru, and Venezuela following pilot projects supported by Inter-American Development Bank and United Nations Development Programme. Early collaborations leaned on partnerships with research institutions such as Centro de Investigaciones del Mar y la Atmosfera and Instituto Nacional de Pesquisas Espaciais, with initial funding cycles tied to grants from European Union research programs and bilateral arrangements with France and Germany.

Organization and Governance

Governance is exercised through a council composed of directors from participating national services, with technical committees drawn from universities like Universidad de Buenos Aires, Universidad de Chile, Universidad de São Paulo, and regional research centers including CPTEC and INPE. Legal frameworks reference agreements ratified by national legislatures and align with standards set by World Meteorological Organization. Administrative units mirror those at National Oceanic and Atmospheric Administration and coordinate with regional disaster agencies such as Centro Nacional de Gerenciamento de Riscos and Protección Civil Ecuador. Funding mechanisms include assessed contributions, project grants from World Bank, and technical cooperation with agencies like USAID and Agence Française de Développement.

Forecasting Capabilities and Services

Operational services feature global and regional numerical weather prediction modeled after systems like GFS, ECMWF, and UKMET Office outputs, downscaled for complex terrains such as the Andes Mountains and the Amazon Basin. Specialized forecasts address hydrometeorological hazards affecting river systems including the Amazon River, Paraná River, and Orinoco River, and provide agro-meteorological guidance to producers linked to trade blocs like Mercosur and commodity markets referenced by Inter-American Institute for Cooperation on Agriculture. Aviation meteorology adheres to International Civil Aviation Organization standards and issues SIGMET-like advisories in coordination with Air Traffic Control centers. Seasonal outlooks leverage collaborations with ENSO monitoring programs and the Pacific Climate Change Science Program.

Observational Networks and Data Sources

The Center ingests observations from surface networks managed by national services, radiosonde launches coordinated with Global Atmosphere Watch, Doppler radar data from systems modeled on S-band radar networks, and remote sensing from satellites operated by NOAA, EUMETSAT, INPE, and CONAE. Oceanographic inputs come from buoy arrays maintained by Research Moored Array for African-Asian-Australian Monsoon Analysis and Prediction partners and regional equivalents, while gauge data for river forecasting are shared via initiatives with Pan American Development Foundation and transboundary river commissions such as the Amazon Cooperation Treaty Organization commissions. Data assimilation employs methods validated in studies from Copernicus Climate Change Service and university groups at Massachusetts Institute of Technology and Universidad Nacional Autónoma de México.

Research, Modeling, and Technology

Research programs support advancement of convection-permitting models, coupled atmosphere–ocean systems, and land-surface schemes developed in collaboration with institutions like European Centre for Medium-Range Weather Forecasts, NOAA Geophysical Fluid Dynamics Laboratory, and Los Alamos National Laboratory. Technology transfers have involved partnerships with IBM for high-performance computing procurement and with Google research teams for machine-learning post-processing. Peer-reviewed studies from affiliated researchers appear in journals such as Journal of Climate, Monthly Weather Review, and Geophysical Research Letters, contributing to improved representation of phenomena like South Atlantic Convergence Zone and the Madden–Julian Oscillation.

Regional Impact and Collaborations

The Center plays a central role in coordinating early warnings for floods, droughts, and tropical cyclones in coordination with national emergency agencies and international partners including United Nations Office for the Coordination of Humanitarian Affairs and Red Cross and Red Crescent Movement. Capacity-building programs have benefited meteorologists trained at institutions such as International Research Institute for Climate and Society and European Centre for Medium-Range Weather Forecasts Training Centre, and exchange programs with Meteorological Service of Canada and Met Office enhance operational resilience. Multilateral research projects address transboundary issues linking the Amazon Basin, Andean Region, and coastal zones of Brazil, Colombia, and Peru to inform climate adaptation policies adopted by regional organizations such as Union of South American Nations and development banks like the Inter-American Development Bank.

Category:Meteorological organizations