Toussaint's formula

{
  "id": "MLC-T-MET-009727",
  "term": "Toussaint's formula",
  "field": "Meteorology and atmospheric science",
  "definition": "A simplified, linear approximation for calculating the air temperature at a given altitude within the troposphere. The formula assumes a constant sea-level temperature of 15°C and a uniform lapse rate of 6.5°C per kilometer of altitude gain. This provides a quick estimate but is less accurate than the multi-layered models of the International Standard Atmosphere, which account for varying lapse rates in different atmospheric layers.",
  "url": "https://mlchart.com/terminology/meteorology/toussaint-s-formula/"
}