What Does Geopotential Thickness Mean?
Geopotential Height Approximates the Actual Height of a Pressure Surface Above Mean Sea-Level. .. . the Height Field Is Given in Meters with an Interval of 60...
Geopotential height approximates the actual height of a pressure surface above mean sea-level. ... The height field is given in meters with an interval of 60 meters. Geopotential height is valuable for locating troughs and ridges which are the upper level counterparts of surface cyclones and anticyclones.
What is geopotential thickness?
Recall from Chapter 8 that thickness is the geopotential height difference between two pressure levels, in practice most commonly 1000 and 500 hPa. Larger (smaller) 1000–500-hPa thickness indicates: • A larger (smaller) distance between the 1000- and 500-hPa height surfaces. •
What is a geopotential surface?
(Also called equipotential surface, level surface.) A surface of constant geopotential, that is, a surface along which a parcel of air could move without undergoing any changes in its potential energy. Geopotential surfaces almost coincide with surfaces of constant geometric height.
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