List of Symbols - An Introduction to Dynamic Meteorology - page 497

θ e Equivalent potential temperature

κ ≡ R/c p , ratio of gas constant to specific heat at constant pressure;

Rayleigh friction coefficient (Section 10.6)

λ Longitude, positive eastward

µ Dynamic viscosity coefficient

ν Angular frequency; kinematic viscosity (Section 1.4)

ρ Density

RT 0 p − 1 d ln θ 0 /dp, standard atmosphere static stability parameter
in isobaric coordinates;

σ ≡−

≡− p/p s , vertical coordinate in σ system (Section 10.3);

“Density” in isentropic coordinates (Section 4.6)

τ d Diffusive time scale

τ E Eddy stress

φ Latitude

χ Geopotential tendency; meridional stream function; tracer mixing ratio

ψ Horizontal stream function

≡

ω Vertical velocity ( dp/dt ) in isobaric coordinates

ω Vorticity vector

≡− dT /dz, lapse rate of temperature

d Dry adiabatic lapse rate

Geopotential

Exner function

Potential temperature deviation

Angular speed of rotation of the earth; angular speed of rotation of labo-
ratory annulus (Section 10.7)

Angular velocity of the earth