https://www.pistack.xyz/tags/eccodes/ Recent content in Eccodes on Pi Stack Hugo en-us Fri, 23 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-23-grib2-weather-data-python-eccodes-cfgrib-metpy-guide/ Fri, 23 Oct 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-10-23-grib2-weather-data-python-eccodes-cfgrib-metpy-guide/ <p>A single ERA5 pressure-level file is 400 MB. A GFS 0.25° forecast cycle is several gigabytes spread over dozens of files. And when you open the first one, Python hands you back a wall of undocumented integer codes, a longitude axis running from 0 to 360, and a <code>KeyError</code> for a parameter you were sure existed.</p>