potential temperature


potential temperature
The temperature a parcel of dry air would have if brought adiabatically to a standard pressure level of 1,000 millibars.

Aviation dictionary. 2014.

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  • Potential temperature — The potential temperature of a parcel of fluid at pressure P is the temperature that the parcel would acquire if adiabatically brought to a standard reference pressure P {0}, usually 1000 millibars. The potential temperature is denoted heta and,… …   Wikipedia

  • potential temperature — noun : the temperature that a sample of air attains if reduced to a pressure of 1000 millibars without receiving or losing heat to the environment …   Useful english dictionary

  • Equivalent potential temperature — Equivalent potential temperature, commonly referred to as Theta e left( heta e ight), is a quantity related to the stability of a column of air in the atmosphere. heta e is the temperature a parcel of air would reach if all the water vapor in the …   Wikipedia

  • Wet-bulb potential temperature — Wet bulb potential temperature, sometimes referred to as pseudo wet bulb potential temperature, is the temperature attained by mass of air brought adiabatically to saturation and then carried along moist adiabat to 1000 mb (hPa). This temperature …   Wikipedia

  • Potential vorticity — (PV) is a quantity which is proportional to the dot product of vorticity and stratification that, following a parcel of air or water, can only be changed by diabatic or frictional processes. It is a useful concept for understanding the generation …   Wikipedia

  • Temperature — This article is about the thermodynamic property. For other uses, see Temperature (disambiguation). A map of global long term monthly average surface air temperatures i …   Wikipedia

  • Potential density — The potential density of a fluid parcel at pressure P is the density that the parcel would acquire if adiabatically brought to a reference pressure P {0}, often 1 bar (100 kPa). Whereas density changes with changing pressure, potential density of …   Wikipedia

  • potential density —    1. The density of a unit of water after it is raised by an adiabatic process to the surface, i.e., determined from in situ salinity and potential temperature [22].    2. Density that would be reached by a compressible fluid if it were… …   Lexicon of Cave and Karst Terminology

  • Temperature — Tem per*a*ture, n. [F. temp[ e]rature, L. temperatura due measure, proportion, temper, temperament.] 1. Constitution; state; degree of any quality. [1913 Webster] The best composition and temperature is, to have openness in fame and opinion,… …   The Collaborative International Dictionary of English

  • Temperature sense — Temperature Tem per*a*ture, n. [F. temp[ e]rature, L. temperatura due measure, proportion, temper, temperament.] 1. Constitution; state; degree of any quality. [1913 Webster] The best composition and temperature is, to have openness in fame and… …   The Collaborative International Dictionary of English


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