Common Conservative Diagnostic Variables

Input (1) Pressure (p) (2) Temperature (T) (3) Dew Point Temperature (Td) OR mixing ratio (w)

specific gas constant for dry air  R = 287.04 J kg-1 K-1
specific heat capacity at constant pressure for dry air cp = 1005.7 J kg-1 K-1

(1) Potential temperature ( diagnostic1.png )

diagnostic2.png


(2) Potential temperature, moist ( diagnostic3.png )

diagnostic4.png


(3) Virtual temperature (Tv)

diagnostic5.png


(4) Virtual potential temperature ( diagnostic6.png )

diagnostic7.png


(5) Lifting Condensation Level temperature (TLCL)

diagnostic8.png


(6) Lifting Condenssation Level pressure (pLCL)

diagnostic9.png


(7) Equivalent potential temperature ( diagnostic10.png )

diagnostic11.png


(8) Equivalent temperture (Te)

diagnostic12.png



References

Bolton, D., 1980: The computation of Equivalent Potential Temperature. Monthly Weather Review, 108, 1046-1053.
Emanuel, K, 1994 : Atmospheric Convection, New York, Oxford University Press.

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