Research Article

Comparison of Thunderstorm Simulations from WRF-NMM and WRF-ARW Models over East Indian Region

Table 1

ARW and NMM model configuration.

ModelWRF-NMMWRF-ARW

DynamicsNonhydrostaticNonhydrostatic
Horizontal resolution3 km3 km
Forecast length24 hrs24 hrs
Map projectionRotated latitude and longitudeMercator
Horizontal grid systemArakawa E-gridArakawa C-grid
Vertical coordinateHybrid sigma to pressure vertical coordinate (38levels)Terrain following sigma vertical coordinate (38 levels)
RadiationGFDL/GFDLGFDL/GFDL
Surface layerJanjic schemeJanjic scheme
Land surfaceNoah land surface schemeNoah land surface model
CumulusGrell-DevenyiGrell-Devenyi
PBL parameterizationMellor-Yamada-JanjicMellor-Yamada-Janjic
MicrophysicsFerrier (new eta) schemeFerrier (new eta) scheme