Brief Description

Current Release

Features of Modeling System

Program Functions

MM5 Physics Options

Recent Development

Portability of the Modeling System

Level of Expertise

Minimum Requirement to Run the Modeling System

MM5 Modeling System Overview

Program Functions

• TERRAIN

  • Define model domain and map projection

  • Generate terrain, and landuse catagory data on model grids

  • Generate vegetation/soil catagory data for MM5 model's land-surface model option (V3 only)

  • Calculate map-scale factors and Coriolis parameter for the model (V3 only)

• REGRID / (DATAGRID V2 only)

  • Generate first-guess pressure-level fields on model grids from another model dataset

  • Calculate map-scale factors and Coriolis parameter for the model (V2 only)

• RAWINS / LITTLE_R

  Perform objective analysis: blend first-guess fields with radiosonde and surface observations

• INTERPF / (INTERP V2 only)

  Interpolate pressure-level data from either RAWINS/LITTLE_R or REGRID/ (DATAGRID V2) to model's sigma coordinate

• MM5

  Perform time integration

• NESTDOWN

  • Generate fine mesh model input from coarse mesh model output (1-way option). Capability of changing vertical sigma levels.

  • Generate fine mesh model input from coarse mesh model input

• INTERPB

  • Interpolate model sigma-level data to pressure levels

  • Generate first guess for RAWINS/LITTLE_R

  • Generate intermediate files for REGRID/regridder

• GRAPH/RIP

  Generate plots from the output of modeling system programs (based on NCAR Graphics)