1. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft High pressure weather System over the Alps for nearly three weeks in Sept. 1999 Sep.9. 00 UTC 500hPa geopotential and surface pressure Diurnal Mountain Winds H

2. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Time series of horizontal wind vector

3. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Time series of virtual temperature and meridional wind component

4. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft N / S wind component – mean of Sep. 8. – 14. S RS South North South

5. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft MM5 Modell 4 Modell domains Δx, Δ y = 27km, 9km, 3km, 1km 39 sigma height levels 15m agl – 100hPa 42h simulation run 12 UTC 11. Sept. – 06 UTC 13. Sept. Physical processes parameterized: - Radiation RRTM scheme (Mlawer) -boundary layer processes (Gayno Seaman scheme) cloud microphysics simple scheme (Dudheim) cumulus parameterization in outer domain (Zängl)

6. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Pot. Temperature 12. Sep. WTR Measurements NN5 Simulation

7. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Time series of pot. Temperature in the Rhine Valley

8. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft N - S wind component Sep. 12. WTR Measurements NN5 Simulation

9. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Pot. Temperature @ 10m agl Sept. 12 6UTC 16UTC W V D F

10. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Wind field at 180m AGL and vertical cross section of temperature and wind on 12. Sep 06 UTC

11. Forschungszentrum Karlsruhe in der Helmholtz-Gemeinschaft Wind field at 180m AGL and vertical cross section of temperature and wind on 12. Sep 16 UTC