GRIB
Case description
GRIB atmospheric data interpolation cases. Tests the PREP_REAL_CASE tool to interpolate external atmospheric GRIB data (ERA5, GFS, ICON, HRRR, ARPEGFS) to MesoNH initial conditions. Multiple data sources supported.
Configuration
Parameter |
Value |
|---|---|
Category |
Technical cases |
NMODEL |
1 |
NKMAX |
40 (ERA5) |
CEQNSYS |
DUR |
JPHEXT |
1 |
NHALO |
1 |
Steps
Step |
Script |
|---|---|
PGD |
run_pgd |
ERA5_run |
run_prep_real_case |
ERA5_hPa_run |
run_prep_real_case |
ARO_41t1_run |
run_prep_real_case |
ARO_43t2_run |
run_prep_real_case |
ARO_46t1_run |
run_prep_real_case |
ARO_48t1_run |
run_prep_real_case |
GFS_run |
run_prep_real_case |
HRRR_run |
run_prep_real_case |
ICONEU_run |
run_prep_real_case |
ICONGLOBAL_run |
run_prep_real_case |
IFS_run |
run_prep_real_case |
IFS_PY_run |
run_prep_real_case |
ARP_run |
run_prep_real_case |
plotting |
run_python (post-processing) |
Specificities
Multiple GRIB data sources: ERA5, ERA5_hPa, ARPEGFS (41t1, 43t2, 46t1, 48t1), GFS, HRRR, ICON-EU, ICON-Global, IFS, ARP
Python plotting tools for GRIB visualization
Vertical interpolation from GRIB levels to model levels
Horizontal interpolation to target domain
Validation
GRIB field interpolation quality
Vertical level conversion
Horizontal domain coverage
Numerical ressources
HPC: 1 node, 2 cores (MPI parallel)
References
ECMWF ERA5 documentation
NOAA GFS documentation
DWD ICON model documentation