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| Weather satellites of the United States | |
|---|---|
| Name | Weather satellites of the United States |
| Caption | Launch of a Geostationary Operational Environmental Satellite (GOES) series spacecraft |
| Country | United States |
| Operator | National Oceanic and Atmospheric Administration (NOAA), National Aeronautics and Space Administration (NASA), United States Air Force |
| First | 1960s |
| Status | Active |
Weather satellites of the United States provide comprehensive atmospheric, oceanic, and environmental observations from space, supporting forecasting, climate monitoring, and hazard response. These systems evolved through collaborations among National Oceanic and Atmospheric Administration, National Aeronautics and Space Administration, and the United States Space Force (formerly United States Air Force), integrating scientific research, operational requirements, and industrial partners like Lockheed Martin, Northrop Grumman, and Boeing.
Early efforts began with experimental missions such as TIROS-1 and Nimbus 1, driven by scientists from Johns Hopkins University and engineers at Raytheon under programs sponsored by NASA and the United States Weather Bureau. During the Cold War era, cooperation with the Department of Defense and projects such as the Defense Meteorological Satellite Program accelerated development, while landmark initiatives like the Geostationary Operational Environmental Satellite (GOES) and Polar-orbiting Operational Environmental Satellite (POES) established operational continuity with contributions from NOAA and the Office of Management and Budget. Program milestones included the transition from heritage sensor suites on GOES-1 to advanced instruments on GOES-R and the joint Suomi National Polar-orbiting Partnership (Suomi NPP) with NASA and NOAA payloads.
Major U.S. constellations include the Geostationary Operational Environmental Satellite (GOES) series managed by NOAA, the polar-orbiting Joint Polar Satellite System (JPSS) led by NOAA and NASA, and legacy assets from the Defense Meteorological Satellite Program (DMSP) of the United States Air Force. Collaborative missions such as Suomi NPP and partnership with international systems like MetOp and EUMETSAT augment coverage, while commercial ventures from Maxar Technologies and Spire Global provide complementary data streams for the National Weather Service and academic centers including NOAA National Centers for Environmental Information.
U.S. weather satellites carry multispectral imagers, hyperspectral sounders, microwave radiometers, and lightning mappers—sensors exemplified by the Advanced Baseline Imager (ABI) on GOES-R, the Cross-track Infrared Sounder (CrIS) on JPSS, and the Advanced Technology Microwave Sounder (ATMS) on Suomi NPP. Instruments integrate technologies developed at NASA Goddard Space Flight Center, NOAA Satellite and Information Service, and industrial laboratories such as Ball Aerospace; they exploit detectors from Honeywell and calibration systems using references traceable to National Institute of Standards and Technology. Advances in onboard processing, solid-state data recorders, and antenna arrays from firms like L3Harris Technologies support dissemination to users including the National Hurricane Center and Environmental Protection Agency.
Launch vehicles for U.S. weather satellites have included the Delta II, Atlas V, Falcon 9, and historical boosters from NASA Kennedy Space Center and Vandenberg Space Force Base. Geostationary platforms like GOES operate from stations above the Equator at longitudes maintained via station-keeping maneuvers using propulsion modules supplied by Aerojet Rocketdyne, while polar-orbiting JPSS spacecraft follow sun-synchronous trajectories from Vandenberg to provide global coverage. Ground control and mission operations are coordinated by NOAA Satellite Operations Facility, NASA Mission Control Center, and tactical support from the United States Space Force for collision avoidance and frequency management.
Raw radiances and derived fields are processed through pipelines at the NOAA National Environmental Satellite, Data, and Information Service (NESDIS) and Center for Satellite Applications and Research (STAR), producing products including infrared and visible imagery, atmospheric soundings, sea surface temperatures, and precipitation estimates used by the National Weather Service, Federal Emergency Management Agency, and scientific centers such as NCAR and NASA Goddard. Assimilation into numerical weather prediction centers like the Global Forecast System and the European Centre for Medium-Range Weather Forecasts enhances model initializations; specialized products such as the Himawari-comparable rapid-scan imagery, volcanic ash advisories coordinated with the Federal Aviation Administration, and lightning detection mosaics support operational decision-making.
U.S. weather satellites underpin hurricane surveillance at the National Hurricane Center, drought monitoring with the United States Geological Survey, agricultural advisories from the United States Department of Agriculture, and air quality forecasting for the Environmental Protection Agency. They have transformed disaster response in events like Hurricane Katrina and Hurricane Sandy, informed climate assessments by the Intergovernmental Panel on Climate Change, and supported research at institutions including Massachusetts Institute of Technology, University of Wisconsin–Madison, and Scripps Institution of Oceanography.
Planned enhancements include follow-ons to JPSS and GOES series, incorporation of hyperspectral instruments, geostationary coastal imagers, and hosted payloads on commercial platforms pursued by NOAA and NASA in coordination with the White House Office of Science and Technology Policy. Technology development roadmaps involve quantum detector research at Sandia National Laboratories, on-orbit servicing concepts from DARPA demonstrations, and closer integration with international programs such as EUMETSAT and JAXA to ensure resilient, multi-provider continuity for the National Weather Service and global partners.
Category:Satellites of the United States Category:Meteorological satellites