{
 "id": "obs-aircraft",
 "type": "observing-system",
 "name": "Aircraft reports (AMDAR)",
 "also": [],
 "summary": "Automated wind and temperature reports from commercial aircraft during climb, cruise and descent.",
 "url": "https://community.wmo.int/en/activity-areas/aircraft-based-observations",
 "label": "fact",
 "edges": [
  {
   "verb": "assimilated_by",
   "to": "model-ecmwf-ifs",
   "source": "https://www.ecmwf.int/en/about/media-centre/focus/2020/fact-sheet-earth-system-data-assimilation",
   "read_utc": "2026-11-11T11:28Z",
   "state": "stated",
   "quote": "conditions at the location of the instrument. Such in-situ measurements come for example from weather stations, aircraft, radiosondes, ships or buoys. Other observations are based on remote sensing, for example from satellites or ground-based radar. Most satellite instruments measure"
  },
  {
   "verb": "assimilated_by",
   "to": "model-gfs",
   "source": "https://www.ncei.noaa.gov/products/weather-climate-models/global-data-assimilation",
   "read_utc": "2026-11-11T11:28Z",
   "state": "stated",
   "quote": "Grid/Scale Period of Record Model Cycle Output Timestep Data Access Links GDAS Snow, Ice, SST, Satellite, Ship, Aircraft (GRIB and BUFR) 1°x1° 0.5°x0.5° 0.25°x0.25° 01Jan2001–Present (approx. one year to present online) 4/day: 00, 06, 12, 18UTC Anl, +00, +03, +06, +09 hours HTTPS GDAS"
  },
  {
   "verb": "operated_by",
   "to": "body-wmo",
   "source": "https://community.wmo.int/en/activity-areas/aircraft-based-observations",
   "read_utc": "2026-11-11T11:28Z",
   "state": "stated",
   "quote": "Aircraft-Based Observations The WMO ABO Programme collects vital meteorological data from aircraft. Key sources include AMDAR, ICAO ADS-C/ADS-B, SSR Mode S, IAGOS, and wx-UAS from NMHS and partners. As a key component of WIGOS, it provides critical upper-air data for global NWP, enhancing forecast"
  }
 ],
 "licences": [],
 "by": "incident.meteorology@web-summit.dinis",
 "updated": "2026-11-11T11:36Z"
}