Brazilian National Institute of Meteorology

Brazilian National Institute of Meteorology
Name	Brazilian National Institute of Meteorology
Native name	Instituto Nacional de Meteorologia
Formation	1909
Headquarters	Brasília, Distrito Federal
Region served	Brazil
Language	Portuguese
Leader title	Director
Parent organization	Ministry of Agriculture, Livestock and Supply

Brazilian National Institute of Meteorology is the federal agency responsible for meteorological observation, forecasting, climatology, and atmospheric research across the Federative Republic of Brazil. It operates a nationwide network of surface stations, radiosondes, radar sites, and remote sensing facilities, supporting sectors such as agriculture, aviation, hydroelectricity, and civil defense. The institute collaborates with national and international organizations to provide data for operational meteorology, climate services, and scientific studies.

History

The institute traces its origins to the early 20th century under initiatives linked to Pedro II of Brazil's modernization and later institutional developments involving the Brazilian Navy and the Ministry of Agriculture, Livestock and Supply. Its evolution paralleled global developments at institutions such as the Royal Meteorological Society, National Weather Service (United States), and Météo-France. Key milestones include establishment of formal services during the First Brazilian Republic, integration with observatories similar to Observatoire de Paris and Kew Observatory, and postwar modernization influenced by collaborations with the World Meteorological Organization and American Meteorological Society. Legislative changes in Brasília and administrative reforms under presidents such as Getúlio Vargas and Luiz Inácio Lula da Silva reshaped its mandate, mirroring trends at the European Centre for Medium-Range Weather Forecasts and the United Kingdom Meteorological Office.

Organization and Structure

The institute is organized into regional centers, technical divisions, and administrative units comparable to structures at Instituto Nacional de Pesquisas Espaciais and Instituto Brasileiro de Geografia e Estatística. Divisions include observational networks, numerical weather prediction, climatology, remote sensing, and outreach, coordinated from Brasília with regional offices in cities such as Rio de Janeiro, São Paulo, Belo Horizonte, Porto Alegre, and Salvador. Leadership appointments involve oversight by the Ministry of Agriculture, Livestock and Supply and technical liaison with agencies like Empresa Brasileira de Pesquisa Agropecuária and Departamento de Controle do Espaço Aéreo. The institute also interacts administratively with state governments of São Paulo (state), Bahia, and Paraná and with federal bodies including the National Institute for Space Research and the Brazilian Air Force.

Responsibilities and Services

Mandated responsibilities include routine weather forecasting, climate monitoring, aviation meteorology for airports under Departamento de Controle do Espaço Aéreo, agro-meteorological advisories for Empresa Brasileira de Pesquisa Agropecuária stakeholders, hydrometeorological information for operators like Eletrobras and the National Water Agency (Brazil), and public warnings linked to civil protection agencies such as Defesa Civil. The institute issues forecasts for urban centers including Brasília, Manaus, Fortaleza, Curitiba, and Recife and provides specialized products for sectors represented by entities like Banco Central do Brasil and the Ministry of Transport and Communications. It supports scientific programs affiliated with institutions such as Universidade de São Paulo, Universidade Federal do Rio de Janeiro, and Universidade Federal de Minas Gerais.

Observational Network and Infrastructure

The network comprises surface synoptic stations, automated weather stations, radiosonde launch sites, Doppler radar installations, and satellite receiving stations compatible with platforms including GOES-16, Meteosat, and instruments similar to ASCAT. Key infrastructure links to research facilities at INPE and port meteorological services at harbors like Port of Santos. Regional radar coverage mirrors systems used by National Oceanic and Atmospheric Administration partners and integrates data from international buoy networks such as those coordinated by Global Drifter Program participants. The institute maintains climatic archives and digitized records that support reanalysis efforts similar to ERA5 and collaborations with centers like NOAA National Centers for Environmental Prediction.

Research and Development

Research programs address tropical convection, mesoscale dynamics, Amazonian boundary layer processes, and climate variability associated with phenomena like El Niño–Southern Oscillation, Atlantic Meridional Mode, and interactions with the South Atlantic Convergence Zone. Scientific cooperation involves universities including Universidade Federal do Rio Grande do Sul and international partners such as CIMA and International Research Institute for Climate and Society. Projects include development of regional models akin to WRF and coupling to land surface schemes used by groups at National Center for Atmospheric Research and Met Office Hadley Centre. The institute contributes to assessments by bodies like the Intergovernmental Panel on Climate Change and engages in observation campaigns modeled on programs such as GATE and ARM Climate Research Facility.

Data Products, Forecasting, and Warnings

Operational products include synoptic charts, satellite imagery, precipitation analyses, model output statistics, and probabilistic forecasts distributed to stakeholders such as Aeroporto Internacional de São Paulo–Guarulhos, Companhia Energética de Minas Gerais, and municipal authorities in Belo Horizonte and Manaus. Warning systems for severe convective events, floods, and droughts are coordinated with agencies like Corpo de Bombeiros and state-level Defesa Civil offices, following protocols similar to those of European Severe Storms Laboratory and National Weather Service (United States). The institute employs numerical guidance from global centers including ECMWF, GFS, and regional downscaling comparable to CPTEC initiatives, producing datasets shared with research consortia such as WCRP and GEWEX.

International Cooperation and Legal Framework

The institute represents Brazil in the World Meteorological Organization and participates in international programs such as Global Atmosphere Watch and WMO Regional Association II. Legal and regulatory foundations are grounded in national statutes enacted by the National Congress of Brazil and administrative decrees issued in Brasília, with policy coordination involving ministries such as the Ministry of Science, Technology and Innovation and the Ministry of Environment. Bilateral collaborations exist with agencies including NOAA, EUMETSAT, Météo-France, Servicio Meteorológico Nacional (Argentina), and regional initiatives within the Union of South American Nations. International data-sharing agreements follow conventions promoted by organizations like Group on Earth Observations and Committee on Earth Observation Satellites.

Category:Meteorology of Brazil Category:Scientific organizations based in Brazil Category:Government agencies established in 1909