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FSL Local Analysis and Prediction System (LAPS) IHOP_2002 Model Configuration


 

IDL TIFF file

IHOP 12 and 4 km Domains

 

NOTE:  For the reruns currently planned, only the 12km domain will be used!  The table below shows the configuration used for the reruns.

 

 

 

MM5 12km

WRF 12km

Grid Spacing

12 km

12 km

Nesting

NA

NA

East-West Dimension

151

151

North-South Dimension

139

139

Vertical Levels

42* (41 layers)

42* (41 layers)

Advection Timestep

30 seconds

50 seconds

Dynamic Solver

2nd order leapfrog with time-splitting for acoustic modes, precip fall, etc.

3rd order Runge-Kutta scheme using the Eulerian mass-coordinate core

Microphysics

Schultz II*

NCEP 5-class*

Convective Scheme

None*

None* 

PBL Scheme

MRF (Hong-Pan)

MRF (Hong-Pan)

Land Surface Model

5-Layer

5-Layer

Longwave Radiation

RRTM

RRTM

Shortwave Radiation

Dudhia

Dudhia

Model Version

3.5

1.3 with mods to microphysics (zeroing out mixing ratios < 1e-7)

Download Config Files

ihop_mm5_cfg.tar

ihop_wrf12_cfg.tar

* Represent values changed from the original real-time “operational” configuration

 

Directories of Interest:

gizmo:/usr/nfs/common/lapb/parallel/laps/template/ihop/baseline/mm5 -> Templates for MM5 configuration

gizmo:/usr/nfs/common/lapb/parallel/laps/template/ihop/baseline/wrf12 -> Templates for WRF 12-km configuration

ijet:/p41/ihoplaps -> Work area on ijet

 

Questions/Comments:  Brent Shaw