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NCEPLIBS-g2 Library

The NCEPLIBS-g2 library reads and writes GRIB edition 2 files.

GRIdded Binary or General Regularly-distributed Information in Binary form (GRIB) is a data format for meteorological and forecast data, standardized by the World Meteorological Organization (WMO). GRIB edition 2 (GRIB2) was approved by the WMO is 2003.

This library is part of the NCEPLIBS project.

For more detailed documentation see https://noaa-emc.github.io/NCEPLIBS-g2/. For the NCEP WMO GRIB2 Documentation see https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/.

To submit bug reports, feature requests, or other code-related issues including installation and usage questions, please create a GitHub issue. For general NCEPLIBS inquiries, contact Edward Hartnett (secondary point of contact Alex Richert).

Related NCEPLIBS Projects

Repository Notes
NCEPLIBS-w3emc Coders/decoders for GRIB1
NCEPLIBS-g2c C implementation of the GRIB 2 functions
NCEPLIBS-grib_util A collection of GRIB1 and GRIB2 utilities
NCEPLIBS-g2tmpl Utilities for GRIB2 templates

Authors

Harry Glahn, Kyle Gerheiser, Stephen Gilbert, Brent Gordon, Edward Hartnett, Mark Iredell, Hang Lei, Boi Vuong, and other NOAA scientists and developers.

Code Manager: Hang Lei, Ed Hartnett

Prerequisites

The following libraries are required:

This package requires the following third party libraries:

This package requires the following NCEPLIBS libraries:

Building

cmake .. -DCMAKE_INSTALL_PREFIX=myg2 -DCMAKE_PREFIX_PATH="${PNG_LIBDIR};${PNG_INC};${JASPER_LIBDIR};${JASPER_INC}"

make
make install

References

Hartnett, E., Ator, J, Lei, H., Richert, A., Woollen, J., King, A.,
Hartnett, A., [NCEPLIBS GRIB and BUFR Libraries: Maintaining and
Modernizing NOAA's Libraries for WMO Data
Formats](https://www.researchgate.net/publication/376390180_NCEPLIBS_GRIB_and_BUFR_Libraries_Maintaining_and_Modernizing_NOAA's_Libraries_for_WMO_Data_Formats),
American Geophysical Union (AGU) 2023. (See also
[poster](https://www.researchgate.net/publication/376582005_Poster_-_IN51B-0416_NCEPLIBS_GRIB_and_BUFR_Libraries_Maintaining_and_Modernizing_NOAA's_Libraries_for_WMO_Data_Formats)).

Hartnett, E., Lei, H., Curtis, B, Gerheiser K., [Presentation -
Improving Documentation, Testing, Process, and Code for Legacy NOAA
GRIB2 C Fortran
Libraries](https://www.researchgate.net/publication/360757566_Presentation_-_Improving_Documentation_Testing_Process_and_Code_for_Legacy_NOAA_GRIB2_C_Fortran_Libraries),
NCAR Improving Scientific Software, April 2022.  .

Kumar, V. Krishna, Gilbert, Stephen A., [GRIB2 conversion and its
usage at NCEP](docs/GRIB2_conversion_and_its_usage_at_NCEP.pdf), 14-18
November 2005, 10th Workshop on Meteorological Operational Systems
ECMWF User Orientation, retrieved on July 27, 2021 from
https://www.yumpu.com/en/document/view/11925806/grib2-conversion-and-its-usage-at-ncep.

Disclaimer

The United States Department of Commerce (DOC) GitHub project code is
provided on an "as is" basis and the user assumes responsibility for
its use. DOC has relinquished control of the information and no longer
has responsibility to protect the integrity, confidentiality, or
availability of the information. Any claims against the Department of
Commerce stemming from the use of its GitHub project will be governed
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