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Evidence from Meteosat imagery of the interaction of sting jets with the boundary layer

Published online by Cambridge University Press:  27 January 2005

K. A. Browning  and
M. Field
K. A. Browning
Affiliation:
Joint Centre for Mesoscale Meteorology, Department of Meteorology, University of Reading, PO Box 243, Reading, Berkshire, RG6 6BB, UK Email: [email protected]
M. Field
Affiliation:
Joint Centre for Mesoscale Meteorology, Department of Meteorology, University of Reading, PO Box 243, Reading, Berkshire, RG6 6BB, UK Email: [email protected]
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Abstract

Meteosat infra-red imagery for the Great Storm of October 1987 is analysed to show a series of very shallow arc-shaped and smaller chevron-shaped cloud features that were associated with damaging surface winds in the dry-slot region of this extra-tropical cyclone. Hypotheses are presented that attribute these low-level cloud features to boundary-layer convergence lines ahead of wind maxima associated with the downward transport of high momentum from overrunning, so-called sting-jet, flows originating in the storm's main cloud head.

Type
Research Article
Information
Meteorological Applications , Volume 11 , Issue 4 , December 2004 , pp. 277 - 289
Copyright
© 2004 Royal Meteorological Society

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