%0 report part %@ %A Zahn, M.,Storch, H.v. %D 2006 %J Research Activities in Atmospheric and Oceanic Modelling, WGNE Blue Book %N %P 5-66 %T Simulation of a Polar Low Case in the North Atlantic with Different Regional Numerical Models %U %X In this paper it is shown that regional scale models are able to simulate maritime mesoscale features in general, but there is space for improvement in detail.