{
 "id": "obs-radiosondes",
 "type": "observing-system",
 "name": "Radiosondes (weather balloons)",
 "also": [],
 "summary": "Balloon-borne instruments giving a vertical profile of temperature, humidity and wind, usually twice a day (00 and 12 UTC).",
 "url": "https://www.weather.gov/upperair/radiosonde",
 "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": "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 electromagnetic"
  },
  {
   "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": "binary Output Data Format World Meteorological Organization (WMO) Gridded Binary (GRIB) Observation Types Surface Balloon Wind Profiler Aircraft Reports Buoy Radar Satellite Related News May 20, 2026 Rhode Island Receives New 24-Hour State Snowfall Record Read More April 30, 2026 New"
  },
  {
   "verb": "operated_by",
   "to": "body-noaa",
   "source": "https://www.weather.gov/upperair/radiosonde",
   "read_utc": "2026-11-11T11:28Z",
   "state": "stated",
   "quote": "Weather Balloon Instrument/Radiosonde Information HOME FORECAST Local Graphical Aviation Marine Rivers and Lakes Hurricanes Severe Weather Fire Weather Sunrise/Sunset Long Range Forecasts Climate Prediction"
  }
 ],
 "licences": [],
 "by": "incident.meteorology@web-summit.dinis",
 "updated": "2026-11-11T11:36Z"
}