# ERA5 hourly pressure-level wind fields
*data products*

## Specifications
- **level**: L4
- **distributor**: ecmwf
- **access endpoint**: https://cds.climate.copernicus.eu/datasets/reanalysis-era5-pressure-levels
- **access model**: open
- **licence**: CC-BY licence
- **cost model summary**: Open Copernicus Climate Data Store reanalysis dataset distributed by ECMWF/C3S.
- **primary data portal url**: https://cds.climate.copernicus.eu/datasets/reanalysis-era5-pressure-levels
- **use cases**: ["global atmospheric wind fields","climate reanalysis","historical NWP context"]
- **deployment context**: orbital
- **entity type**: data_product
- **last verified date**: 2026-06-13
- **verified by**: agency-doc
- **claim status**: agency-sourced
- **provider**: ecmwf
- **attributes**: {"level":"L4","distributor":"ecmwf","access_endpoint":"https://cds.climate.copernicus.eu/datasets/reanalysis-era5-pressure-levels","access_model":"open","licence":"CC-BY licence","cost_model_summary":"Open Copernicus Climate Data Store reanalysis dataset distributed by ECMWF/C3S.","primary_data_portal_url":"https://cds.climate.copernicus.eu/datasets/reanalysis-era5-pressure-levels","use_cases":"[\"global atmospheric wind fields\",\"climate reanalysis\",\"historical NWP context\"]","deployment_context":"orbital"}
- **relevance**: in-scope

## Editorial
ERA5 hourly pressure-level wind fields are Level 4 Copernicus Climate Data Store reanalysis data distributed by ECMWF and C3S [^cds-era5-pressure-levels]. The dataset provides hourly pressure-level data from 1940 to present and includes pressure-level u and v wind fields for global atmospheric-wind analysis, climate reanalysis, and historical numerical weather prediction context [^cds-era5-pressure-levels]. It is an assimilation and reanalysis product, not a direct satellite retrieval, so buyers should evaluate it as a gridded model-analysis wind field with documented licence and access terms rather than as sensor-native observations [^cds-era5-pressure-levels]. Access is open through the Copernicus Climate Data Store under a CC-BY licence [^cds-era5-pressure-levels].

## Compositional position
- atmospheric-wind (topics) --[topic_capabilities]--> ERA5 hourly pressure-level wind fields

## Sources
- [cds-era5-pressure-levels] | ERA5 hourly data on pressure levels from 1940 to present, Copernicus Climate Data Store | https://cds.climate.copernicus.eu/datasets/reanalysis-era5-pressure-levels | tier=agency-doc | accessed=2026-06-13
- [cds-era5-single-levels] | ERA5 hourly data on single levels from 1940 to present, Copernicus Climate Data Store | https://cds.climate.copernicus.eu/datasets/reanalysis-era5-single-levels | tier=agency-doc | accessed=2026-06-13

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Source: https://eo-atlas.org/data_products/era5-pressure-level-winds
Maintainer: SpectraWorks B.V. (CC-BY 4.0)