From this page, you can download the test data used in the classroom exercises. See the download links below.

For the practice sessions, to save data-copying time, we recommend you use the files that are already un-zipped and un-tarred under /kumquat/wrfhelp/DATA/WRFDA directory.

CONUS60 data set (observation preprocessing, running 3DVAR, PSOT, and additional 4DVAR exercises)

Download (154 MB)

• CONUS60/be/be.dat
• CONUS60/rc/2008020512/wrfbdy_d01
• CONUS60/rc/2008020512/wrfinput_d01
• CONUS60/ob/2008020512/gdas1.t12z.1bamua.tm00.bufr_d
• CONUS60/ob/2008020512/gdas1.t12z.1bamub.tm00.bufr_d
• CONUS60/ob/2008020512/gdas1.t12z.prepbufr.nr
• CONUS60/ob/2008020512/obs.2008020512
• CONUS60/ob/2008020512/obs_gts_2008-02-05_12:00:00.3DVAR
• CONUS60/ob/2008020512/obs_gts_2008-02-05_12:00:00.4DVAR
• CONUS60/ob/2008020513/obs_gts_2008-02-05_13:00:00.4DVAR
• CONUS60/ob/2008020514/obs_gts_2008-02-05_14:00:00.4DVAR
• CONUS60/ob/2008020515/obs_gts_2008-02-05_15:00:00.4DVAR
• CONUS60/ob/2008020516/obs_gts_2008-02-05_16:00:00.4DVAR
• CONUS60/ob/2008020517/obs_gts_2008-02-05_17:00:00.4DVAR
• CONUS60/ob/2008020518/gdas1.t18z.1bamua.tm00.bufr_d
• CONUS60/ob/2008020518/gdas1.t18z.1bamub.tm00.bufr_d
• CONUS60/ob/2008020518/gdas1.t18z.prepbufr.nr
• CONUS60/ob/2008020518/obs.2008020512
• CONUS60/ob/2008020518/obs_gts_2008-02-05_18:00:00.4DVAR

1-day WRF forecasts for gen_be practice

Download (1.3 GB)

If this data set is too large, you can download just the first seven days here (336 MB).

• CONUS60/fc/2008020100/wrfout*
• CONUS60/fc/2008020112/wrfout*
• CONUS60/fc/2008020200/wrfout*
  . . .
• CONUS60/fc/2008022712/wrfout*
• CONUS60/fc/2008022800/wrfout*
• CONUS60/fc/2008022812/wrfout*

Arctic tutorial case (radiance, obs verification)

Download (200 MB)

• arctic_tutorial_case60/be/be.dat
• arctic_tutorial_case60/ob/2013122300/gdas.1bamua.t00z.20131223.bufr
• arctic_tutorial_case60/ob/2013122300/gdas.1bamub.t00z.20131223.bufr
• arctic_tutorial_case60/ob/2013122300/gdas.1bhrs3.t00z.20131223.bufr
• arctic_tutorial_case60/ob/2013122300/gdas.1bhrs4.t00z.20131223.bufr
• arctic_tutorial_case60/ob/2013122300/gdas.1bmhs.t00z.20131223.bufr
• arctic_tutorial_case60/ob/2013122300/obs.2013122300
• arctic_tutorial_case60/ob/2013122300/obs_gts_2013-12-23_00:00:00.3DVAR
• arctic_tutorial_case60/ob/2013122300/prepbufr.gdas.20131223.t00z.nr
• arctic_tutorial_case60/rc/2013122300/wrfbdy_d01
• arctic_tutorial_case60/rc/2013122300/wrfinput_d01
• arctic_tutorial_case60/filt_ob/2013122300/ob.ascii
• arctic_tutorial_case60/filt_ob/2013122306/ob.ascii
• arctic_tutorial_case60/filt_ob/2013122312/ob.ascii
  . . .
• arctic_tutorial_case60/filt_ob/2013122506/ob.ascii
• arctic_tutorial_case60/filt_ob/2013122512/ob.ascii

Input files for 4D-VAR practice

Download (84 MB)

• 4dvar/be/be.dat
• 4dvar/namelist.input
• 4dvar/ob/2005071600/gdas.1bamua.t00z.20050716.bufr
• 4dvar/ob/2005071600/gdas.1bamub.t00z.20050716.bufr
• 4dvar/ob/2005071600/ob.ascii
• 4dvar/ob/2005071600/prepbufr.gdas.2005071600.wo40
• 4dvar/ob/2005071601/ob.ascii
• 4dvar/ob/2005071602/ob.ascii
• 4dvar/ob/2005071603/ob.ascii
• 4dvar/ob/2005071604/ob.ascii
• 4dvar/ob/2005071605/ob.ascii
• 4dvar/ob/2005071606/gdas.1bamua.t06z.20050716.bufr
• 4dvar/ob/2005071606/gdas.1bamub.t06z.20050716.bufr
• 4dvar/ob/2005071606/ob.ascii
• 4dvar/ob/2005071606/prepbufr.gdas.2005071606.wo40
• 4dvar/rc/2005071600/wrfinput_d01
• 4dvar/rc/2005071600/wrfbdy_d01
• 4dvar/rc/2005071606/wrfinput_d01

Input files for hybrid practice

Download (227 MB)

• Hybrid/be/be.dat
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e001
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e002
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e003
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e004
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e005
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e006
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e007
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e008
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e009
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.e010
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.mean
• Hybrid/fc/2006102712/wrfout_d01_2006-10-28_00:00:00.vari
• Hybrid/gen_be_ensmean_nl.nl
• Hybrid/namelist.input
• Hybrid/ncl
• Hybrid/ob/2006102800/ob.ascii

Input files for radar practice

Download (7 MB)

• Radar/be.dat
• Radar/namelist.input
• Radar/namelist.input.4dvar
• Radar/ob01.ascii
• Radar/ob01.radar
• Radar/ob02.ascii
• Radar/ob02.radar
• Radar/ob03.ascii
• Radar/ob03.radar
• Radar/ob04.ascii
• Radar/ob04.radar
• Radar/ob.ascii
• Radar/ob.radar
• Radar/wrfbdy_d01
• Radar/wrfinput_d01

Input files for verification (for obs verification, the arctic case above is also needed)

Download (3.0 GB)

If this data set is too large, you can download the experiments individually: (no_da, 915 MB), (conv_only, 1.1 GB), (conv_and_rad, 1.1 GB).

• verification/conv_and_rad/fc/2013122300/wrfout*
• verification/conv_and_rad/fc/2013122306/wrfout*
• verification/conv_and_rad/fc/2013122312/wrfout*
  . . .
• verification/conv_and_rad/fc/2013122506/wrfout*
• verification/conv_and_rad/fc/2013122512/wrfout*
• verification/conv_only/fc/2013122300/wrfout*
• verification/conv_only/fc/2013122306/wrfout*
• verification/conv_only/fc/2013122312/wrfout*
  . . .
• verification/conv_only/fc/2013122506/wrfout*
• verification/conv_only/fc/2013122512/wrfout*
• verification/no_da/fc/2013122300/wrfout*
• verification/no_da/fc/2013122306/wrfout*
• verification/no_da/fc/2013122312/wrfout*
  . . .
• verification/no_da/fc/2013122506/wrfout*
• verification/no_da/fc/2013122512/wrfout*

Input files for precipitation assimilation practice

Download (122 MB)

• Rainfall/be/be.dat
• Rainfall/ob/ob.rain.2008020518.06h
• Rainfall/rc/wrfinput_d01
• Rainfall/rc/wrfbdy_d01