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| Meteorology in the United States | |
|---|---|
| Name | Meteorology in the United States |
| Caption | Doppler radar mosaic over the United States |
| Established | 19th century |
| Jurisdiction | United States |
Meteorology in the United States describes the practice, institutions, research, and operational systems that observe, analyze, and predict atmospheric phenomena across the United States. It encompasses historical developments from early observational efforts during the Lewis and Clark Expedition and the American Civil War through establishment of federal services like the United States Army Signal Corps and the National Weather Service, continuing to modern collaborations with academic centers such as the Massachusetts Institute of Technology, University of Oklahoma, and Texas A&M University.
Early systematic observation in the United States traces to figures such as Benjamin Franklin and expeditions like Lewis and Clark Expedition, while institutional foundations grew during the American Civil War when the United States Army Signal Corps began organized reporting. The late 19th century saw establishment of the United States Weather Bureau under the Department of Agriculture and scientific advances linked to scholars at Johns Hopkins University, Harvard University, and the U.S. Naval Observatory. In the 20th century, milestones included development of the Radiosonde network, innovations at Massachusetts Institute of Technology and California Institute of Technology, and creation of the National Oceanic and Atmospheric Administration and modernization under the National Weather Service Modernization and Associated Restructuring program. Cold War-era programs at facilities like Mitchell Institute and collaborations with Los Alamos National Laboratory and National Center for Atmospheric Research accelerated numerical weather prediction pioneered by groups at Princeton University and University of Chicago.
Federal leadership centers on National Oceanic and Atmospheric Administration and its component National Weather Service, alongside research arms such as the National Severe Storms Laboratory and Earth System Research Laboratories. Operational forecasting and climate services intersect with agencies including the National Aeronautics and Space Administration, the National Science Foundation, and the Department of Commerce. Regional coordination involves organizations like the NOAA Weather-Ready Nation initiative, state climatology offices at institutions such as Penn State University and Iowa State University, and partnerships with private firms including AccuWeather and The Weather Company. International engagement includes collaborations with World Meteorological Organization and data exchanges with Canadian Meteorological Centre and Met Office.
Academic research hubs include University of Oklahoma, Colorado State University, Massachusetts Institute of Technology, Stanford University, and University of Washington, with major centers such as National Center for Atmospheric Research, Cooperative Institute for Research in Environmental Sciences, and Scripps Institution of Oceanography. Funding and program support derive from the National Science Foundation, NASA, and cooperative agreements with NOAA. Educational pathways are provided by degree programs at Pennsylvania State University, University of California, Berkeley, and Texas A&M University, while professional training for operational meteorologists is supported by the American Meteorological Society and certification through the National Weather Association.
Operational forecasting relies on numerical models developed at National Weather Service, European Centre for Medium-Range Weather Forecasts, and research centers like NOAA Geophysical Fluid Dynamics Laboratory. Real-time warning dissemination uses the Emergency Alert System, Wireless Emergency Alerts, and coordination with Federal Emergency Management Agency and local entities including New York City Office of Emergency Management and Los Angeles County Fire Department. Specialized warning programs address hazards overseen by the National Hurricane Center, Storm Prediction Center, and Climate Prediction Center, while aviation forecasting integrates services from the Federal Aviation Administration and National Airspace System partners.
The United States experiences diverse severe weather from tornado outbreaks across Tornado Alley and Dixie Alley to tropical cyclones impacting the Gulf Coast and Atlantic Coast. Research into convective storms draws on field campaigns such as VORTEX2 and DIRT and contributions from institutions like University of Oklahoma and University of Illinois Urbana-Champaign. Long-term climate monitoring involves datasets maintained by the National Climatic Data Center, NOAA National Centers for Environmental Information, and academic archives at Lamont–Doherty Earth Observatory and University of Colorado Boulder, with applied studies informing policy in venues such as the Intergovernmental Panel on Climate Change assessments.
Observations combine surface stations operated by National Weather Service, upper-air networks using radiosondes and profilers maintained by Global Observing System partners, and remote sensing from satellites managed by NOAA and NASA including GOES and POES series. Radar infrastructure centers on the NEXRAD network with upgrades like Dual-Polarization Radar, supplemented by mobile platforms from research groups at University of Oklahoma and private interests such as WeatherBug. High-performance computing resources at NOAA Environmental Modeling Center, National Center for Atmospheric Research (Cheyenne), and university supercomputing centers enable operational ensemble forecasting inspired by work at European Centre for Medium-Range Weather Forecasts.
Policy frameworks intersect with legislation and executive actions affecting agencies like National Oceanic and Atmospheric Administration and Department of Commerce, while regulatory aspects involve the Federal Communications Commission for spectrum used by meteorological radars and the Federal Aviation Administration for aviation weather services. Emergency management coordination engages Federal Emergency Management Agency, state governors, and municipal offices such as the Chicago Office of Emergency Management and Communications during events including Hurricane Katrina and the Great Flood of 1993. Interagency programs and public–private partnerships for resilience build on initiatives like Weather-Ready Nation and international commitments under the Paris Agreement.
Category:Meteorology Category:Science and technology in the United States