Cold ring-shaped Storms

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This presentation from Martin Setvak deals with the MSG observations of cold ring-shaped storms and their comparison with CAPPI radar data.

Published: 2 June 2008

Longer-lived cold rings, together with cold-U or cold-V features, belong among several satellite-based indicators of a possible storm severity. In particular, the presentation shows how these features appear in colour-enhanced IR-window imagery, brings an overview of the terminology used for these features, and explains in brief the basics of formation of these features.

The goal of the presentation is to learn to recognise the features such as cold rings or cold-U/V features in operational colour-enhanced IR imagery of the geostationary weather satellites.

Pre-requisites: ability to interpret IR-window imagery at the basic level and to define the concept of severe convective storm.

Category Language Difficulty Audio Duration Author
Atmosphere English Intermediate 38 min Martin Setvak


Cold ring-shaped storms presentation (PDF, 10 MB)

Cold ring-shaped storms recording (ZIP, 23 MB)

Convection Working Group

ePort page



Setvák M., Lindsey D.T., Novák P., Wang P.K., Radová M., Kerkmann J., Grasso L., Su S-H., Rabin R.M., Štástka J., Charvát Z., Kyznarová H., 2010: Cold-ring-shaped cloud top features atop convective storms. Atmos. Research, 97, 80–96, ISSN 0169–8095, DOI: 10.1016/j.atmosres.2010.03.009.

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