prognostic equation


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prognostic equation

[präg′näs·tik i′kwā·zhən]
(meteorology)
Any equation governing a system which contains a time derivative of a quantity and therefore can be used to determine the value of that quantity at a later time when the other terms in the equation are known (for example, the vorticity equation).
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
In this way, the prognostic equation for the soil temperature can be written as
The prognostic equation for wind components and temperature is evaluated for these levels.
FDDA, based on Newtonian relaxation or "nudging", adds artificial (non-physical) forcing functions to the WRF model's prognostic equations to nudge the solutions toward either a verifying analysis or toward observations.