| Term: | Polar front theory |
| Definition: | Theory of the Bergen school (1918) which describes the formation and evolution of extratropical depressions in terms of the interaction between polar and tropical air masses and the characteristics of the surface of discontinuity which separates them. |
| Term: | Polar front theory |
| Definition: |
Theory of the Bergen school (1918) which describes the formation and evolution of extratropical depressions in terms of the interaction between polar and tropical air masses and the characteristics of the surface of discontinuity which separates them. WMOMeteoterm
GCW |