equivalent potential temperature


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equivalent potential temperature

[i′kwiv·ə·lənt pə¦ten·chəl ′tem·prə·chər]
(meteorology)
The potential temperature corresponding to the adiabatic equivalent temperature.
References in periodicals archive ?
This quantity is defined as the difference between the dynamic tropopause potential temperature and the 850-hPa equivalent potential temperature.
A low coupling index value requires three ingredients: high 850-hPa equivalent potential temperature, a steep tropospheric lapse rate, and a low tropopause (the latter two ingredients imply a low dynamic tropopause potential temperature).
5[degrees]C difference between the tropopause-level and 850-hPa equivalent potential temperatures (defined as the coupling index) is proposed for this class of development.

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