[Wrf-users] Format for Observational Nudging

Waylon.Collins Waylon.Collins at noaa.gov
Thu Aug 13 10:25:25 MDT 2009


Yes, go ahead and send me the modified software that will allow me to 
convert from WMO BUFR to little_r. Thanks.

It appears that the NCAR Data Support Section maintains an archive that 
updates monthly. I need an archive that updates hourly (I am conducting 
WRF-ARW runs to support forecast operations.) If I had software to 
convert from netCDF to WMO BUFR, I can at least use the hourly netCDF 
-formatted surface observation METAR (Aviation Routine Weather Report) 
files for which I have access. Any idea where I can locate software to 
convert from netCDF to WMO BUFR?

Again, thanks.


Brown, David [DNR] wrote:
> Waylon,
>   The Data Support Section at NCAR (http://dss.ucar.edu) maintains archives of global surface and upper air observations from several measurement platforms in WMO BUFR format.  These data are current and readily available.  The surface observations are available at http://dss.ucar.edu/datasets/ds461.0/, while the upper air observations are available at http://dss.ucar.edu/datasets/ds351.0/.  The "DS Software" tabs at both locations contain software to convert these files to little_r format.  I've modified the implementation of the software I obtained.  Let me know if you'd like a copy.
> David Brown
> Regional Meteorological and Air Quality Modeling
> Iowa Department of Natural Resources
> Air Quality Bureau
> (515) 242-6494
> david.brown at dnr.iowa.gov
> -----Original Message-----
> From: wrf-users-bounces at ucar.edu [mailto:wrf-users-bounces at ucar.edu] On Behalf Of Waylon.Collins
> Sent: Tuesday, August 11, 2009 9:22 AM
> To: wrf-users at ucar.edu
> Subject: [Wrf-users] Format for Observational Nudging
> Dear List,
> Does anyone possess software that will allow me to convert observations, 
> in formats other than NMC ON29, to the wrf_obs/little_r format? I prefer 
> software that requires the input data to have a format that can be 
> readily obtained from an archive that already exists and that I can 
> access. For example, I have the ability to obtain hourly surface 
> observation files in netCDF format. My objective is to run OBSGRID in 
> order to provide data for the observational nudging component of FDDA.
> Thanks in advance.
> Waylon

Waylon Collins (Senior Forecaster)
NOAA/National Weather Service
300 Pinson Drive
Corpus Christi, TX 78406
(United States)
Telephone: (361) 289-0959                                                        

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