Introduction

This document briefly describes the NCEPLIBS-g2tmpl library.

History

Version	Date	Notes
1.0.0	Dec 04 2009	Original version
1.1.0	Jan 25 2012	Add product template 4.44 and 4.48
1.2.1	Feb 20 2012	Add complex packing
1.2.2	Jul 08 2014	Corrected Scaled value of second fixed surfaces in template 4.8 and Added generating process model HRRR
1.3.0	Jan 09 2015	Added product template 4.1, 4.11 and 4.12; Added code tables 4.6 (Type of Ensemble Forecast) and 4.7 (Derived Forecast); Added routines: get_g2_typeofensfcst, get_g2_typeofderivefcst
1.4.0	Aug 26 2015	Added more parameters and updated table 4.2-0-20; Added 4 type of aerosols in table4_233
1.5.0	Mar 09 2017	Added more parameters in grib2 table 4.2
1.5.2	Nov 10 2019	fixed issues in error messages
1.6.0	Dec 11 2019	Removed "qsort" in routine process_4dot2.c; Added more parameters
1.10.0	Apr 28 2021	Added more parameters; Added generating process ID for models: RRFS and CORE; Removed routine gdtsec3.f (obsolete)

GRIB2 Tables/Templates

NCO Provides documentation on WMO GRIB2 at https://www.nco.ncep.noaa.gov/pmb/docs/grib2/grib2_doc/

WMO's GRIB2 specification "FM 92-XII GRIB - General Regularly-distributed Information in Binary Form" contains descriptions of each template and code table information. This document can be found at https://codes.wmo.int/grib2/_codeflag (PDF and MSWord formats are available).