[Wrf-users] WPS: ungrib input data

Liang, Jinyou@ARB jliang at arb.ca.gov
Thu Jan 27 14:00:18 MST 2011


Dear WRF expert,

I am a new user of WRF, and intend to run WRF-arw during Aug 16 (12Z) --- Aug 26 (12Z), 2010 in the following domain, as defined in the namelist.wps:

__________________________________________________________________________________________________
&share
 wrf_core = 'ARW',
 max_dom = 2,
 io_form_geogrid = 2,
 start_date = '2010-08-16_12:00:00','2010-08-16_12:00:00',
 end_date   = '2010-08-26_12:00:00','2010-08-26_12:00:00',
 interval_seconds = 10800
/
&geogrid
 parent_id         =   1,   1,
 parent_grid_ratio =   1,   3,
 s_we              =   1,   1,
 s_sn              =   1,   1,
 e_we              = 273, 190,
 e_sn              = 273, 190,
 i_parent_start    =   1,  29,
 j_parent_start    =   1,  49,
 geog_data_res     = 'modis_landuse_20class_30s+5m','modis_landuse_20class_30s+2m',
 dx = 12000,
 dy = 12000,
 map_proj = 'lambert',
 ref_lat   =  37.0,
 ref_lon   = -120.5,
 truelat1  =  30.0,
 truelat2  =  60.0,
 stand_lon = -120.5,
...

At the WPS steps, ungrib needs input GRIB files, for 'link_grib.csh', which I do not have. If you could provide the necessary data files, I would greatly appreciate your kindness.

With best regards,
Paul
Jinyou (Paul) Liang, Ph.D.
Staff Air Pollution Specialist
California Air Resources Board
Sacramento, CA 95812
Phone: (916) 327-8543

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