Retrieving ECMWF open data¶

The :ref:`ecmwf-open-data ` source provides access to the `ECMWF open data `_ .

[1]:

import earthkit.data as ekd

d = ekd.from_source(
    "ecmwf-open-data",
    request=dict(param=["t", "gh"], levelist="500", step=[0, 24, 48]),
)
d

By downloading data from the ECMWF open data dataset, you agree to the terms: Attribution 4.0 International (CC BY 4.0). Please attribute ECMWF when downloading this data.

[1]:

GRIB file

path	/var/folders/93/w0p869rx17q98wxk83gn9ys40000gn/T/earthkit-data-cgr/e-odretriever-f16112c6a02c9bd8dbcf06c315b9e887138e5b4fe969ea4f8bce9d58980eaa10.cache
size	2.9 MiB
types	fieldlist, pandas, xarray, numpy, array

[2]:

d.to_fieldlist().ls()

[2]:

	parameter.variable	time.valid_datetime	time.base_datetime	time.step	vertical.level	vertical.level_type	geography.grid_type
0	t	2026-03-29 06:00:00	2026-03-29 06:00:00	0 days	500	pressure	regular_ll
1	gh	2026-03-29 06:00:00	2026-03-29 06:00:00	0 days	500	pressure	regular_ll
2	t	2026-03-30 06:00:00	2026-03-29 06:00:00	1 days	500	pressure	regular_ll
3	gh	2026-03-30 06:00:00	2026-03-29 06:00:00	1 days	500	pressure	regular_ll
4	t	2026-03-31 06:00:00	2026-03-29 06:00:00	2 days	500	pressure	regular_ll
5	gh	2026-03-31 06:00:00	2026-03-29 06:00:00	2 days	500	pressure	regular_ll

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