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Glaciers distribution data from the Randolph Glacier Inventory for year 2000

This dataset, commonly known as the Randolph Glacier Inventory (RGI), provides global glacier outlines compiled from maps, aerial photographs and satellite images. The dataset is a snapshot (one outline per glacier) constructed from source data that were mostly acquired in the period 1998-2010.

calendar_today Interval/period: Thu, 01/01/1998 - Fri, 12/31/2010

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Global climate and energy indicators from 1950 to present derived from reanalysis

This dataset provides global climate and energy indicators from 1950 to the present at hourly and coarser temporal resolutions, offering a long-term, harmonised data foundation for energy-sector applications. It enables users to analyse energy indicators for the past climate, supporting energy planning, system design, risk assessments, climate impact modelling and model benchmarking.

calendar_today Interval/period: Sun, 01/01/1950 - Wed, 04/01/2026

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Global sea surface temperature derived from satellite observations

This dataset provides daily and monthly global estimates of sea surface temperature (SST) based on observations from multiple satellite sensors since July 1979 (for the daily product) and January 1980 respectivly (for the monthly product). SST is a key driver of global weather and climate patterns and plays an important role in the exchanges of energy, momentum, moisture and gases between the ocean and atmosphere. Accurate SST data are therefore essential for understanding and assessing variability and long-term changes in the Earth’s climate.

calendar_today Interval/period: Fri, 07/13/1979 - Thu, 06/11/2026

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Niño Annual Plumes - Seasonal Forecast - SEAS5

This chart provides information on the predicted evolution of the sea surface temperature (SST) ...

calendar_today Interval/period: N/A

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Ocean colour from 1997 to present derived from satellite observations

This dataset provides global daily and monthly estimates of ocean surface chlorophyll-a concentration and remote sensing reflectance derived from multiple satellite sensors. These two products are part of the broader discipline of ocean colour remote sensing, which analyses ocean surface radiances measured from space to derive information about the optical properties and constituents of the upper ocean.

calendar_today Interval/period: Mon, 09/01/1997 - Tue, 03/31/2026

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ORAS5 global ocean reanalysis monthly data from 1958 to present

This dataset provides global ocean and sea-ice reanalysis (ORAS5: Ocean Reanalysis System 5) monthly mean data prepared by the European Centre for Medium-Range Weather Forecasts (ECMWF) OCEAN5 ocean analysis-reanalysis system. This system comprises 5 ensemble members from which one member is published in this catalogue entry.

calendar_today Interval/period: Wed, 01/01/1958 - Fri, 05/01/2026

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Precipitation monthly and daily gridded data from 1979 to present derived from satellite measurements

Within the hydrological cycle, precipitation is the main component of water transport from the atmosphere to the Earth’s surface. Precipitation varies strongly, depending on geographical location, season, synopsis, and other meteorological factors. The supply of freshwater through precipitation is vital for many subsystems of the climate and the environment, but there are also hazards related to extensive precipitation or the lack of precipitation.

calendar_today Interval/period: Mon, 01/01/1979 - Mon, 06/30/2025

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Probabilities: precipitation rate (total / large scale / convective / snowfall) during last 6 hours

This chart is derived from the ECMWF ensemble (ENS) and shows the probability that the ...

calendar_today Interval/period: N/A

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Agrometeorological indicators from 1979 to present derived from reanalysis

This dataset provides daily surface meteorological data for the period from 1979 to present as input for agriculture and agro-ecological studies. This dataset is based on the hourly ECMWF ERA5 data at surface level and is referred to as AgERA5. Acquisition and pre-processing of the original ERA5 data is a complex and specialized job. By providing the AgERA5 dataset, users are freed from this work and can directly start with meaningful input for their analyses and modelling.

calendar_today Interval/period: Mon, 01/01/1979 - Tue, 06/23/2026

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Agrometeorological indicators time-series from 1979 to present derived from reanalysis

This catalogue entry provides the time series of the originally gridded Agrometeorological indicators from 1979 to present derived from reanalysis, also known as AgERA5. The main difference with the related entry is that the dataset is organised here to make time the primary dimension for analysis and extraction. For any user-defined location (point) or small area, the dataset returns the temporal evolution of the selected variables, enabling efficient time-series studies without requiring users to download and manage full global gridded files.

calendar_today Interval/period: Mon, 01/01/1979 - Sun, 01/04/2026

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Seasonal forecasts of river discharge and related data by the European Flood Awareness System

This dataset provides gridded modelled daily hydrological time series forced with seasonal meteorological forecasts. The dataset is a consistent representation of the most important hydrological variables across the European Flood Awareness (EFAS) domain. The temporal resolution is daily forecasts initialised once a month consisting of:

River discharge
Volumetric soil moisture
Snow water equivalent
Soil wetness index (root zone)
Runoff water equivalent (surface plus subsurface)

calendar_today Interval/period: Sun, 11/01/2020 - Mon, 06/01/2026

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Seasonal forecasts of river discharge and related data by the Global Flood Awareness System

This dataset provides an ensemble of forecasted time series of gridded hydrological data forced with seasonal meteorological forecasts. The data set is a product of the Global Flood Awareness System (GloFAS) and offers a consistent representation of key hydrological variables across the global domain including:

River discharge
Soil wetness index (root zone)
Snow water equivalent
Runoff water equivalent (surface plus subsurface)

calendar_today Interval/period: Tue, 12/01/2020 - Mon, 06/01/2026

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Snow cover extent from 1982 to present derived from satellite observations

This dataset provides daily estimates of snow-covered land areas obtained from observations collected by multiple optical satellite instruments. As snow cover plays a crucial role in weather and climate, this data is particularly valuable for monitoring, estimating and assessing relevant changes.
It provides Level 3 collated (L3C) processed products, namely global daily single-sensor Snow cover fraction viewable (SCFV) and Snow cover fraction on ground (SCFG) products, both of which are based on optical satellite data.

calendar_today Interval/period: Fri, 01/01/1982 - Tue, 09/30/2025

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Soil moisture gridded data from 1978 to present

The C3S satellite soil moisture (SM) service provides a range of global soil moisture variables derived from numerous satellite sensors, including scatterometers and radiometers. The products are designed primarily for applications related to climate variability and change, land–atmosphere interactions, global biogeochemical cycles, ecology, hydrological and land surface modelling, drought monitoring, and meteorology.

calendar_today Interval/period: Wed, 11/01/1978 - Sat, 06/20/2026

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Subseasonal re-forecast experiment (2004-2023, 11 members) with sea ice SPP

11-member coupled subseasonal re-forecast experiment using a prototype CY49R2 configuration of the IFS–NEMO4–SI3 system. Re-forecasts are initialized on the first day of each month, covering the period 2004 to 2023, and are integrated to +46 days. The atmospheric component runs at Tco319L137 and is initialized from ERA5, ocean and sea-ice components run at eORCA0.25Z75 and are initialized from ORAS6.

calendar_today Interval/period: N/A

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TCo1279 CY50R1 wave hindcast using operational winds 2016-2020 for AIFS training

Standalone ecWAM wave model CY50R1 with altimeter wave height assimilation forced by operational lwda 6-hourly stress equivalent neutral 10m winds, air density, gustiness and sea ice fraction. Native grid is Tco1279 (9km), 36 directions, 36 frequencies. See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, 6-hourly output, many parameters.

calendar_today Interval/period: N/A

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TCo1279 CY50R1 wave hindcast using operational winds 2021-2025 for AIFS training

Standalone ecWAM wave model CY50R1 with altimeter wave height assimilation forced by operational lwda 6-hourly stress equivalent neutral 10m winds, air density, gustiness and sea ice fraction (2021-2026-02-03). Native grid is Tco1279 (9km), 36 directions, 36 frequencies, See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, 6-hourly output, many parameters.

calendar_today Interval/period: N/A

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TCo1279 CY50R1 wave hindcast using operational winds and ORAS6 currents 2016-2020 for AIFS training

Standalone ecWAM wave model CY50R1 with altimeter wave height assimilation forced by operational lwda 6-hourly stress equivalent neutral 10m winds, air density, gustiness and sea ice fraction AND surface currents from ORAS6 (2016-2020). Native grid is Tco1279 (9km), 36 directions, 36 frequencies, current refraction. See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, 6-hourly output, many parameters.

calendar_today Interval/period: N/A

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TCo1279 CY50R1 wave hindcast using operational winds and ORAS6 currents 2021-2025 for AIFS training

Standalone ecWAM wave model CY50R1 with altimeter wave height assimilation forced by operational lwda 6-hourly stress equivalent neutral 10m winds, air density, gustiness and sea ice fraction AND surface currents from ORAS6 (2021-2026-02-03). Native grid is Tco1279 (9km), 36 directions, 36 frequencies, current refraction. See Bidlot et al. 2026: Wave Hindcast for ERA6 Preparation and Training Data Driven Models. ECMWF Tech Memo, in preparation, 6-hourly output, many parameters.

calendar_today Interval/period: N/A

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Seasonal forecast anomalies on pressure levels

This entry covers pressure-level data post-processed for bias adjustment on a monthly time resolution.

calendar_today Interval/period: Sun, 01/01/2017 - Mon, 06/01/2026

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Seasonal forecast anomalies on single levels

This entry covers single-level data post-processed for bias adjustment on a monthly time resolution.

calendar_today Interval/period: Sun, 01/01/2017 - Mon, 06/01/2026

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Seasonal forecast daily and subdaily data on single levels

This entry covers single-level data and soil-level data at the original time resolution (once a day, or once every 6 hours, depending on the variable).

calendar_today Interval/period: Thu, 01/01/1981 - Mon, 06/01/2026

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Seasonal forecast monthly averages of ocean variables

This entry covers global ocean data aggregated to a monthly time resolution. The catalogue entry includes temperature and salinity characteristics of the upper oceans and complements the other seasonal forecast catalogue entries for the land and atmospheric variables.

calendar_today Interval/period: Fri, 01/01/1993 - Mon, 06/01/2026

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Seasonal forecast monthly statistics on pressure levels

This entry covers pressure-level data aggregated on a monthly time resolution.

calendar_today Interval/period: Thu, 01/01/1981 - Mon, 06/01/2026

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Seasonal forecast monthly statistics on single levels

This entry covers single-level data aggregated on a monthly time resolution.

calendar_today Interval/period: Thu, 01/01/1981 - Mon, 06/01/2026

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