= Equivalent potential temperature
{wiki=Equivalent_potential_temperature}
Equivalent potential temperature (often denoted as \\( \\theta_e \\)) is a concept used in meteorology to describe the temperature that an air parcel would have if it were brought adiabatically (without heat exchange) down to a standard reference pressure, typically 1000 hPa (hectopascals), and if all of its water vapor were condensed into liquid water. It serves as a useful measure for understanding the thermodynamic stability and energy content of an air parcel.
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