In the mesoscale, equivalent potential temperature is also a useful measure of the static stability of the unsaturated atmosphere.
2.
Situations in which the equivalent potential temperature decreases with height, indicating instability in saturated air, are quite common.
3.
Situations in which the equivalent potential temperature decreases with height, indicating instability in saturated air, are much more common.
4.
Considerations of moist air and cloud theories typically involve various temperatures, such as equivalent potential temperature, wet-bulb and virtual temperatures.
5.
The comparison of the equivalent potential temperature of parcels of air at different pressures thus provides a measure of the instability of the column of air.
6.
For saturated air, or for air which is likely to be lifted high enough to reach saturation, it is the equivalent potential temperature which must increase with height in order to ensure stability.
7.
This is the reason for defining the " equivalent potential temperature ", in analogy with the potential temperature : potential temperature is a temperature adjusted for potential warming due to adiabatic compression; equivalent potential temperature factors in potential warming due to condensation as well.
8.
This is the reason for defining the " equivalent potential temperature ", in analogy with the potential temperature : potential temperature is a temperature adjusted for potential warming due to adiabatic compression; equivalent potential temperature factors in potential warming due to condensation as well.
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