Direct-vision nephoscope

{
  "id": "MLC-T-MET-005045",
  "term": "Direct-vision nephoscope",
  "field": "Meteorology and atmospheric science",
  "definition": "An instrument used to determine the direction and speed of cloud movement by observing their apparent motion against a fixed reference. It typically consists of a mirror or a series of parallel bars, allowing an observer to align the cloud's path. This device provides visual estimates of cloud velocity, particularly for higher-level clouds.",
  "see_also": [
    "comb nephoscope",
    "grid nephoscope"
  ],
  "url": "https://mlchart.com/terminology/meteorology/direct-vision-nephoscope/"
}