ERA5 hourly data on pressure levels for wind developers

This dataset contains the low altitude ERA5 pressure levels data for world atmospheric quantities derived from ERA5 hourly data on pressure levels. Only pressure levels 1000, 975 and 950 hPa are included. The dataset is tailored for the analysis of offshore wind farm sites typically required by wind developers.

The data are available from 1940 until the last closed month and updated monthly. They are presented as a ARCO Zarr v3 archive optimised for time analysis.

Accessing this dataset requires a Zarr v3-compatible library (e.g., zarr-python >= 3.x). Python users can upgrade via pip install "zarr>3".

How to download the data

The default (and preferred) way to access the data requires accessing the api.earthdatahub.destine.eu domain and a valid API key.

Method 1: quick access

It is possible to include the token directly in the URL.

1import xarray as xr
2
3xr.open_dataset(
4    "https://edh:<your personal access token>@api.earthdatahub.destine.eu/era5/era5-pressure-levels-for-wind-developers-v0.zarr",
5    chunks={},
6    engine="zarr",
7    zarr_format=3,
8)

Method 2: advanced access

The Python snippet gather the token from a netrc file.

It's required to before running the code snippet below.

1import xarray as xr
2
3xr.open_dataset(
4    "https://api.earthdatahub.destine.eu/era5/era5-pressure-levels-for-wind-developers-v0.zarr",
5    storage_options={"client_kwargs":{"trust_env":True}},
6    chunks={},
7    engine="zarr",
8    zarr_format=3,
9)

Variables

Short Name	Units	Description
r	%	Relative humidity
t	K	Temperature
u	m s^-1	U component of wind
v	m s^-1	V component of wind
w	Pa s^-1	Vertical velocity
z	m² s^-2	Geopotential