Thermodynamic Diagram
Used interchangably with Thermodynamic Chart; a chart containing contours of pressure, temperature, moisture, and potential temperature, all drawn relative to each other such that basic thermodynamic laws are satisfied.
Stüve thermodynamic diagram A graphical representation of air temperature, pressure, and humidity.
Sublimation The process whereby water changes phase from a solid into a vapor without first becoming liquid.
aerogram"See thermodynamic diagram.
aerograph"In general, any self-recording instrument carried aloft by any means to obtain meteorological data. See meteorograph.
SKEW T-LOG P DIAGRAM A thermodynamic diagram, using the temperature and the logarithm of pressure as coordinates. It is used to evaluate and forecast air parcel properties.
On a thermodynamic diagram this is called positive area, and can be seen as the region between the lifted parcel process curve and the environmental sounding, from the parcel's level of free convection to its level of neutral buoyancy.
Thermodynamic Chart (or Thermodynamic Diagram) - a chart containing isopleths (contours) of pressure, temperature, moisture, and potential temperature, all drawn relative to each other such that basic thermodynamic laws are satisfied (e.g.
A thermodynamic diagram, using the temperature and the logarithm of pressure as coordinates. It is used to evaluate and forecast air parcel properties.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Adiabat, Dry Adiabat, First Law of Thermodynamics, Gas Laws, Thermodynamic Chart, Thermodynamic Diagram, Thermodynamics ...
The term also refers to the plot of temperature, dewpoint and wind measurements on a thermodynamic diagramor other graph with temperature as the horizontal axis (dependent variable) and pressure as the vertical axis (independent variable).
 See also: Air, Temperature, Pressure, Surface, Atmosphere
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