CISL RDA: BUFR Decoders

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A quantity that is measured, computed, or derived (e.g. - temperature, precipitation amount, etc.)

The type of data values - e.g. grid (interpolated or computed gridpoints), platform observation (in-situ or remotely sensed measurements, etc.

The time distance between discrete observation measurements, model product valid times, etc. A time resolution of "Hourly to < Daily" means data that occurs more often than once per day but no more often than once per hour.

The entity that acquired or computed the data (e.g. - aircraft, land station, reanalysis model)

The horizontal distance between discrete gridpoints, stations, measurements, etc.

Topic and subtopic are high-level groupings of parameters (e.g. - Atmosphere (topic), Clouds (subtopic of Atmosphere) ).

The scientific project or experiment that acquired the data

Data that were acquired to support a project/experiment (e.g. - GATE) or that can be used as ingest for a project (e.g. - WRF)

The structure of the bitstream used to encapsulate the data values in a record or file (e.g - ASCII, netCDF, etc.)

The name of the location or region for which the data are valid

BUFR Decoders

If you need the BUFR documentation, decoding programs, etc, NCEP has its release on line. Please visit the following sites:

The complete BUFR documentation is available here.

NCEP BUFR libraries with documentation and sample code can be found at: http://www.nco.ncep.noaa.gov/sib/decoders/BUFRLIB/

Definitions for BUFR MNEMONIC headers can be found at: http://www.emc.ncep.noaa.gov/mmb/data_processing/bufrtab_tableb.htm

NCEP specific descriptors can be found at: http://www.emc.ncep.noaa.gov/mmb/data_processing/bufrtab_tabled.htm

Definitions for PREPBUFR MNEMONIC headers and some code tables can be found at: http://www.emc.ncep.noaa.gov/mmb/data_processing/prepbufr.doc/table_1.htm

A description of PREPBUFR processing at NCEP can be found at: http://www.emc.ncep.noaa.gov/mmb/data_processing/prepbufr.doc/document.htm

A BUFR file decoder for NCEP/NCAR Reanalysis prepqm files can be found here.

For our NCEP/NCAR Reanalysis, GCIP, NCEP ADP Global Upper Air Observation Subsets, and NCEP ADP Global Surface Observations archives, their BUFR decoders are available in the corresponding datasets.

If you have any comments or suggestions regarding to the information above, please contact Chi-Fan Shih or Doug Schuster. updated 5/25/2005

The Research Data Archive is managed by the Data Support Section of the Computational and Information Systems Laboratory at the National Center for Atmospheric Research in Boulder, Colorado. NCAR is sponsored by the National Science Foundation.

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