Definitions
- is the zonal velocity (velocity in the east/west direction tangent to the sphere)
- is the meridional velocity (velocity in the north/south direction tangent to the sphere)
- ω is the vertical velocity in isobaric coordinates
- is the temperature
- Φ is the geopotential
- is the term corresponding to the Coriolis force, and is equal to, where is the angular rotation rate of the Earth ( radians per sidereal hour), and is the latitude
- is the gas constant
- is the pressure
- is the specific heat on a constant pressure surface
- is the heat flow per unit time per unit mass
- is the precipitable water
- Π is the Exner function
- is the potential temperature
Read more about this topic: Primitive Equations
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