|  | 17.3 | Secondary potential vorticity banners over the Po valley: observation and numerical simulation of their influence on vertical mixing Cyrille N. Flamant, Service d'Aéronomie, IPSL/CNRS, Paris, France; and E. Richard, M. Sprenger, C. Schär, L. B. Nance, and R. Rotunno |
| 8:30 AM | 17.4 | Stagnation points and PV generation in moist stratified flow over isolated topography Juerg Schmidli, ETH, Zurich, Switzerland; and C. Schaer |
| 8:45 AM | 17.5 | A case study of flow separation Volker Horlacher, Institute for Atmospheric Science, Leeds, United Kingdom; and S. D. Mobbs, S. B. Vosper, and S. J. Arnold |