EUMeTrain: Mini Case Study on development of MCSs within an Occlusion cloud band

Synoptic situation

The IR image shows the the depression almost stationary just South of the Alps. Within the cyclone the cloud tops pictured before as bright in IR imagery are now easily detected as green. The highest level of convectivty is seen in the cells pictured as blue. These are the cells which are likely to produce hail.

18 May 2005/00.00 UTC - Meteosat 8 IR10.8 enhanced image