---
name: "cnvgrib1to2"
section: "1"
platform: "linux"
package: "python3-grib"
version: "2.1.6-1+b3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/cnvgrib1to2"
---

# cnvgrib1to2(1)

Convert a GRIB1 file to GRIB2 format

## NAME

**cnvgrib1to2 - Convert a GRIB1 file to GRIB2 format**

## SYNOPSIS

**cnvgrib1tos21** *\<grib2filename\>* *\<grib1filename\>* *\[packing\_scheme\]*

## DESCRIPTION

Convert a GRIB1 format file to GRIB2 format.

GRIB is a file format defined for meteorological data defined by the WMO (World Meteorological Organisation).

## OPTIONS

This program takes an optional  *packing\_scheme* which may be one of:

- **grid\_simple**

  - **grid\_complex**

  - **grid\_complex\_spatial\_differencing**

  - **grid\_jpeg**

  - **grid\_png**

  The default is  *'grid\_jpeg'*

## AUTHORS

Jeffrey Whittaker \<jeffrey.s.whitaker@noaa.gov\> wrote the code.\
 Alastair McKinstry \<mckinstry@debian.org\> wrote this man page