(Article of periodic en Anglais - 1980)

Document title

A case study of a subsynoptic disturbance in a polar outbreak

Authors(s) and Affiliation(s)



A subsynoptic disturbance, occurring in an outbreak of polar air over northwestern Europe, is studied by using routine observational data. The disturbance showed a characteristic length scale of about 150km, a time scale of 4hours, caused a surface pressure drop of only 1mb, but brought up to 20mm of precipitation in the coastal region of the Netherlands. The analysis suggests that the disturbance was a warm-core system driven by latent heat release and triggered by forced lifting along the coastline, which activated a weak trough filled with potentially unstable air. (JPB).


Article of periodic

published at : Quarterly journal of the royal meteorological society London

Editor :

Millesime : 1980, vol. 106, no448 [pp. 313-325]

Bibliographic references : 8réf.



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