Enhanced Cumulus

60 Minutes

Ab Maas
Frans Debie
Jos Diepeveen
Veronika Zwatz-Meise
Barbara Zeiner
Natasa Strelec Mahovic
Dunja Mazzocco Drvar

Enhanced Cumulus

Published: 01 January 2005

Enhanced Cumulus (EC) areas consist of clusters of convective cells which are thicker and mostly larger than the surrounding cloud cells. As such they are a special form of Cumulonimbus (Cb) Clusters. Enhanced Cumulus areas (ECs) are mesoscale cloud phenomena, which develop within the cold air mass behind a Cold Front in the area of an upper level trough. They do not develop at the boundary of two air masses like Cold or Warm Fronts. In some cases ECs are embedded within cellular cloudiness with tops reaching only up to the lower levels of the troposphere. Although ECs develop in cold air, temperature advection is relatively small.

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Filed under Keywords:

Conceptual Models, Synoptic Scale Meteorology, Convection