Trajectory Calculation as Forecasting Support Tool for Dust Storms

Table 1

COSMO model configuration.

Details	Configuration
Model domain	35.0E–78E (ie = 769), 7.0N–35.25N (je = 453), 40 vertical layers
Model equations	Nonhydrostatic, full compressible hydrothermodynamical equations in advection form. Subtraction of a hydrostatic base state at rest
Prognostic variables	Horizontal and vertical Cartesian wind components, pressure perturbation, temperature, specific humidity, and cloud water content. Optionally: cloud ice content, turbulent kinetic energy, specific water content of rain, snow, and graupel
Coordinate system	Generalized terrain-following height coordinate with rotated geographical coordinates and user defined grid stretching in the vertical
Initial conditions	Global German model analysis at 00, 12 UTC
Boundary conditions	Global German model (20 km); 60 vertical layers
Surface layer parameterization	Turbulent kinetic energy
Convection parameterization	Tiedtke mass-flux convection