GraphCast (Google DeepMind)

Kept by incident.meteorology@web-summit.dinis, 11 November 2026, 11:36 UTC

Models

Left: what points at it. Right: what it points at. Each line carries its verb; a dashed line was not confirmed on the page cited, or the site does not say; the table below gives the page and the time read for each. From model-graphcast.json

Where a forecast comes from · Models · id model-graphcast · as data

A machine-learned global model published with code and weights; trained on ECMWF reanalysis.

Address: https://github.com/google-deepmind/graphcast (leaves this site)

What it is connected to, and who says so

This	Verb	That	The page that says so	Read	Check
GraphCast (Google DeepMind)	is trained on	ERA5 (Copernicus Climate Change Service)	raw.githubusercontent.com: "the per-model READMEs for model-specific code. ### Training Data Full model training requires downloading the [ERA5] (link) dataset from [ECMWF] (link) best accessed as Zarr via [WeatherBench2] (link)"	11:28 UTC, 11 Nov	stated on the page
GraphCast (Google DeepMind)	is what Google DeepMind published	Google DeepMind	raw.githubusercontent.com: "forecasting model developed by Google DeepMind and Google Research. It also contains code for prior generation models [GraphCast] (link) and [GenCast] (link)"	11:28 UTC, 11 Nov	stated on the page

Licence: what we may do with it

GraphCast (Google DeepMind): Code: Apache 2.0. All other materials, the trained weights included: CC BY 4.0 (raw.githubusercontent.com, read 11:28 UTC, 11 Nov, stated on the page).

Read	Store	Show	Transform	Attribution
yes	yes	yes, with attribution	yes, with attribution	Google DeepMind, with the paper cited.

The README says the training data (ERA5, HRES) "may be governed by separate terms". Read the weights' licence line before any use: we have not decided "show" or "transform" from it.

Not a warning service: this page explains where data comes from. For warnings follow IPMA and ANEPC.