WRFlow Beta — WRF Configuration Assistant

WRFlow Beta

WRF Configuration, Simplified

A browser-based wizard that generates WRF namelists and run scripts — visual domain editor, physics presets, GFS & ERA5 support, and more.

Map-based domain editor GFS & ERA5 Physics presets namelist.wps & namelist.input SLURM run scripts Shareable configurations

Open source · Runs entirely in your browser · No data sent to any server

Lat: --.---- Lon: --.----

Domain Configuration

Draw a rectangle to select your area, or enter coordinates manually. The outline shows the projected WRF grid. Use the pencil control to move or resize it.

WRF Core ?

Map Projection ?

DX (m) ?

DY (m) ?

Center Lat (ref_lat)

Center Lon (ref_lon)

e_we (W-E grid pts) ?

e_sn (S-N grid pts) ?

truelat1 ?

truelat2 ?

stand_lon ?

e_vert (Vertical Levels) ?

Domains

d01 Parent domain

Time & Data Source

All times are in UTC. Choose your data source and simulation period.

Data Source

GFS

NCEP Global Forecast System

0.25° | 1h (0–120h) or 3h (0–384h)

ERA5

ECMWF Reanalysis v5

0.25° | 1h interval | Historical only

Start Date (UTC)

Start Hour (UTC) ?

Run Duration (hours) ?

Start Forecast Hour ?

GFS Forecast Interval ?

Computed Values

run_days

1

run_hours

0

interval_seconds

10800

End Date/Time

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Physics Configuration

Select parameterization schemes for your simulation. Hover the ? icons for NCAR recommendations.

Set your domain resolution first to get grid-spacing recommendations.

Microphysics (mp_physics) ?

Longwave Radiation (ra_lw_physics) ?

Shortwave Radiation (ra_sw_physics) ?

Surface Layer (sf_sfclay_physics) ?

Land Surface Model (sf_surface_physics) ?

Planetary Boundary Layer (bl_pbl_physics) ?

Cumulus Parameterization (cu_physics) ?

Namelist Files

Generated from your configuration. Review, copy, or download.

WRF Installation Paths & Runtime

WPS_DIR

WRF_DIR

WPS_GEOG_DIR ?

DATA_DIR ?

WRF_OUTPUT_DIR ?

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MYNN closure ?

MYNN EDMF

shcu_physics ?

sf_urban_physics ?

sf_lake_physics ?

sst_update ?

Download & Run Scripts

Auto-generated scripts for data acquisition and WRF execution.

Scheduler Mode

Local / Single process MPI Slurm

MPI Processes (NUM_PROCS) ?

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