dphase_aladfr: Aladin-France operational model forecasts run by Meteo-France for the MAP D-PHASE project
Description
Aladin is the operational model at Meteo-France. The horizontal resolution is 9.5 km, the time step: 415s with a Semi-Lagrangian scheme. There are 46 vertical levels with 15 levels below 3 000 m.
The domain of the integration is: (-11.84 W, 33.14E) (25N,56.95N)
Physical parameterisation:
— the micro-physics scheme use 4 prognostic variables: liquid and ice cloud water, rain and snow.
— the convection scheme is based on Bougeault (1985) with a donwdraft Parameterisation.
— the operational ECMWF radiation code which is called every 60 minutes.
— the burbulence is based on Louis’s function with an interactive mixing length.
Aladin is coupled with ARPEGE every 3 hours and has its own assimilation system based on 3DVAR.
The post-processing in GRIB files is done on a regular LAT-LON Grid with a 0.1 deg resolution on the DPHASE domain.
Aladin-FRANCE daily performs 54h forecasts starting at 0TU, 6TU, 12TU, 18TU (only the 0UTC forecast until 30h is sent)
Grid description:
DDOM: xfirst: 2.0 yfirst: 43.0 xsise: 161.0 ysise: 71.0 xinc: 0.1 yinc: 0.1 xnpole: 0.0 ynpole: 0.0
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Tags
- model-data
- regional-model-forecast