Johnson-Williams liquid water probe

{
  "id": "MLC-T-MET-010577",
  "term": "Johnson-Williams liquid water probe",
  "field": "Meteorology and atmospheric science",
  "definition": "An instrument designed to measure the liquid water content in clouds. It operates by detecting the change in electrical resistance of a heated wire as supercooled water droplets impact and evaporate on its surface. This probe is commonly mounted on research aircraft to characterize cloud microphysics.",
  "url": "https://mlchart.com/terminology/meteorology/johnson-williams-liquid-water-probe/"
}