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The use of potential vorticity and water vapour imagery to validate numerical models

Published online by Cambridge University Press:  01 December 1997

D A Mansfield
D A Mansfield
Affiliation:
National Meteorological Centre, Meteorological Office, London Road, Bracknell, Berkshire RG12 2SZ, UK
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Abstract

A comparison between potential vorticity (PV) fields and water vapour imagery shows a close relationship in the region of the polar front. Examples are given showing the nature of this relationship and how a mis-match between the PV and the imagery can be used to detect errors in model analyses and forecasts. The nature of the relationship varies according to the synoptic situation and some of the possible pitfalls encountered by not applying additional checks using model humidity or ‘pseudo imagery’ fields are illustrated.

Type
Research Article
Information
Meteorological Applications , Volume 4 , Issue 4 , December 1997 , pp. 305 - 309
Copyright
© 1997 Meteorological Society

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