Datasets

Glacier mass change gridded data from 1976 to present derived from the Fluctuations of Glaciers Database

The dataset provides global annual glacier mass changes distributed on a global regular grid at 0.5° resolution (latitude, longitude) based on the Fluctuations of Glaciers (FoG) database of the World Glacier Monitoring Service (WGMS). Glaciers play a fundamental role in the Earth’s water cycles. They are one of the most important freshwater resources for societies and ecosystems and the recent increase in ice melt contributes directly to the rise of ocean levels.

calendar_today Interval/period: Wed, 01/01/1975 - Tue, 08/11/2026

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Global and regional 500 hPa height anomaly

**Note:** In **June 2023** ECMWF implemented a **major upgrade ...**

calendar_today Interval/period: N/A

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Global bioclimatic indicators from 1950 to 2100 derived from climate projections

This dataset provides global bioclimatic indicators derived from CMIP5 climate projections. These bioclimatic indicators describe how the climate affects ecosystems, the services ecosystems deliver and nature’s biodiversity. They are specifically relevant for applications within the biodiversity and ecosystem community.

calendar_today Interval/period: Sun, 01/01/1950 - Thu, 12/31/2099

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Global bioclimatic indicators from 1979 to 2018 derived from reanalysis

This dataset provides a historical global reconstruction of bioclimatic indicators derived from ERA5 reanalysis on a latitude-longitude grid. These bioclimate indicators describe how the climate affects ecosystems, the services they deliver, and nature’s biodiversity. They are specifically relevant for applications within the biodiversity and ecosystem services community.

calendar_today Interval/period: Mon, 01/01/1979 - Mon, 12/31/2018

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Global land surface atmospheric variables from 1718 to present from comprehensive in-situ observations

This set of data holdings provides access to data collected from land surface meteorological observations across the globe. Data are available at the observational level and also at daily and monthly aggregations. Data have been collated and harmonised and quality control checks have been performed, but no attempt has been made to assess for potential biases. Data are provided for a range of commonly observed variables.

calendar_today Interval/period: Sat, 01/01/1718 - Thu, 02/26/2026

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Global marine surface meteorological variables from 1850 to present from comprehensive in-situ observations

This set of holdings provides access to surface marine meteorological weather reports and observations made by merchant
and naval ships, drifting buoys and other platforms and vessels over
the global ocean. Data have been collated and harmonised and quality control checks have been performed, but no attempt
has been made to assess or correct for potential biases.
Data are provided for a range of commonly observed variables.

calendar_today Interval/period: Tue, 01/01/1850 - Tue, 08/11/2026

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Global monthly and daily high-spatial resolution of total column water vapour from 2002 to 2017 derived from satellite observations

Atmospheric water vapor, quantified here as Total Column Water Vapor (TCWV), holds paramount importance in monitoring and understanding Earth's climate dynamics. Its role as an Essential Climate Variable is pivotal, serving as the foundation for cloud formation, cloud physics, and significantly impacting the Earth's heat budget through its proficient absorption of both long and short-wave radiation.
This catalogue entry presents two extensive, high-quality observational datasets of TCWV, specifically tailored for climate analysis and applications.

calendar_today Interval/period: Tue, 01/01/2002 - Sun, 12/31/2017

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Global monthly reforecast sea surface temperatures from 1901 to 2010 with 24-month lead time

Long-range reforecast experiment covering the period 1901-2010 with a low-resolution configuration of SEAS5 To explore ENSO predictability up to 2 years. The reforecasts are initialised with the coupled reanalysis of the 20th Century CERA-20C.

Examples

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Global output of seasonal forecast experiment of monthly mean data for JJA 2022

Long-range ensemble forecast experiment initialised on 1st May 2022 covering the 4 months up to the end of August 2022 with atmospheric CO2 concentrations reduced to pre-industrial levels of 285 ppm

Examples

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Global relaxation experiment

Global relaxation experiment run at Tco199 for 46 days over 20 years starting on 12, 16 , 19, 23, 26 , 30 December and 2nd, 6th and 9th January 1999-2018.

Examples

retrieve, class=rd, stream=enfh, expver=iknn, type=pf, number=1/to/4, levtype=sfc, param=2t, date=20191212, hdate=20091212, time=00:00:00, step=24, target='output.grib'

Retrieving 2-meter temperature of the hindcast starting on 12 December 2019 for all perturbed members.

calendar_today Interval/period: N/A

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Global sea level change indicators from 1950 to 2050 derived from reanalysis and high resolution CMIP6 climate projections

This dataset provides statistical indicators of tides, storm surges and sea level that can be used to characterize global sea level in present-day conditions and also to assess changes under climate change. The indicators calculated include extreme-value indicators (e.g. return periods including confidence bounds for total water levels and surge levels), probability indicators (e.g. percentile for total water levels and surge levels).

calendar_today Interval/period: Mon, 01/01/1951 - Sat, 12/31/2050

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Global sea level change time series from 1950 to 2050 derived from reanalysis and high resolution CMIP6 climate projections

This dataset provides time series of global sea level related variables including tides, storm surges and sea level rise from 1950 to 2050 based on hydrodynamic modelling. The dataset provides a basis for studies, for instance, aiming to evaluate sea level variability, coastal flooding, coastal erosion, and accessibility of ports.

calendar_today Interval/period: Sun, 01/01/1950 - Sat, 12/31/2050

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GNSS-RO OFF 2020/21

TCo399 experiment denying the assimilation of GNSS-RO observations between 20201001-20210430.

Examples

retrieve, anoffset=12, class=rd, date=2020-10-01/to/2021-04-30, expver=ibx8, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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GNSS-RO OFF 2021/22

TCo399 experiment denying the assimilation of GNSS-RO observations between 20211001-20220430.

Examples

retrieve, anoffset=12, class=rd, date=2021-10-01/to/2022-04-30, expver=ibyo, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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GNSS-RO OFF 2022/23

TCo399 experiment denying the assimilation of GNSS-RO observations between 20221001-20230430.

Examples

retrieve, anoffset=12, class=rd, date=2022-10-01/to/2023-04-30, expver=ic2g, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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GNSS-RO OFF 2023/24

TCo399 experiment denying the assimilation of GNSS-RO observations between 20231001-20240430.

Examples

retrieve, anoffset=12, class=rd, date=2023-10-01/to/2024-04-30, expver=ic0t, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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GNSS-RO ON 2020/21

TCo399 experiment assimilating GNSS-RO observations between 20201001-20210430.

Examples

retrieve, anoffset=12, class=rd, date=2020-10-01/to/2021-04-30, expver=ibwq, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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GNSS-RO ON 2021/22

TCo399 experiment assimilating GNSS-RO observations between 20211001-20220430.

Examples

retrieve, anoffset=12, class=rd, date=2021-10-01/to/2022-04-30, expver=ibyp, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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GNSS-RO ON 2022/23

TCo399 experiment assimilating GNSS-RO observations between 20221001-20230430.

Examples

retrieve, anoffset=12, class=rd, date=2022-10-01/to/2023-04-30, expver=ic0u, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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GNSS-RO ON 2023/24

TCo399 experiment assimilating GNSS-RO observations between 20231001-20240430.

Examples

retrieve, anoffset=12, class=rd, date=2023-10-01/to/2024-04-30, expver=ic2f, levelist=1/2/3/5/7/10/20/30/50/70/100/150/200/250/300/400/500/600/700/800/850/900/925/950/1000, levtype=pl, param=129.128, step=0, stream=lwda, time=09:00:00/21:00:00, type=4v, target="output"

Retrieve geopotential analysis fields on pressure levels

calendar_today Interval/period: N/A

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Gravimetric mass balance data for the Antarctic and Greenland ice sheets derived from satellite observations

This dataset provides a complete archive of monthly mass change timeseries for the drainage basins of the Antarctic and Greenland Ice Sheets from NASA's Gravity Recovery and Climate Experiment (GRACE) and GRACE Follow On (GRACE-FO) mission, which have operated from 2002 to current data.

calendar_today Interval/period: Wed, 01/01/2003 - Sat, 12/31/2022

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Gridded dataset underpinning the Copernicus Interactive Climate Atlas

This catalogue entry provides the gridded climate data (monthly/annual timeseries) used for the Copernicus Climate Change Service Atlas (C3S Atlas). The gridded datasets consist of in-situ and satellite observation-based datasets, reanalyses (CERRA, ERA5, ERA5-Land, and ORAS5) and global (CMIP5 and CMIP6) and regional (CORDEX) climate projections for the variables and indices included in the C3S Atlas.

calendar_today Interval/period: Sun, 01/01/1860 - Mon, 12/31/2300

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Gridded monthly climate projection dataset underpinning the IPCC AR6 Interactive Atlas

This catalogue entry provides gridded data from global (CMIP5 and CMIP6) and regional (CORDEX) projections for the set of 22 variables and indices included in the IPCC Interactive Atlas, a novel contribution from Working Group I (WGI) to the IPCC Sixth Assessment Report (AR6). These variables and indices are relevant for the climatic impact-drivers used in the regional assessments conducted in AR6 (Chapters 10, 11, 12 and Atlas), related to heat and cold, wet and dry, snow and ice, and wind.

calendar_today Interval/period: Sun, 01/01/1860 - Mon, 12/31/2300

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Heat waves and cold spells in Europe derived from climate projections

The dataset contains the number of hot and cold spell days using different European-wide and national/regional definitions developed within the C3S European Health service.
These heat wave and cold spell days are available for different future time periods and use different climate change scenarios.

calendar_today Interval/period: Wed, 01/01/1986 - Mon, 12/31/2085

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Height of zero degree level (temperature / wet bulb temperature)

These charts represent the height of the air temperature 0°C isotherm or the Wet bulb temperature 0°C isotherm...

calendar_today Interval/period: N/A

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