Datasets

Arctic regional reanalysis daily and monthly data from 1991 to present

The daily and monthly data of the C3S Arctic Regional Reanalysis (CARRA) dataset contains daily and monthly meteorological variables at 2.5 km resolution. This includes fields at the single levels (including surface) and on pressure, height, soil and model levels.
These daily and monthly data are pre-calculated and have the following types depending on the variables: daily and monthly averages, extremes and totals.

calendar_today Interval/period: Sat, 09/01/1990 - Sat, 02/28/2026

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Probabilities: lightning flash density

This chart shows probability information regarding lightning flash density derived from the ...

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Probabilities: CAPE shear

This chart shows probability information regarding CAPE shear derived from the ECMWF ensemble ...

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Probabilities: MUCAPE

This chart shows probability information regarding MUCAPE derived from the ECMWF ensemble (ENS) ...

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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 - Sun, 07/05/2026

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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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EFI CAPE

These charts show areas where anomalous CAPE are likely to occur.

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EFI CAPE shear

These charts show areas where anomalous CAPE Shear are likely to occur.

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Indices (MUCAPE/Kindex/Totalx)

These charts show indices which indicate the susceptibility of the troposphere to support free convection. Typical values of the different indices depend on location and...

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Madden-Julian Oscillation (MJO) index - Sub-seasonal range forecast

This diagram shows time evolution of a Madden-Julian Oscillation (MJO) index. ...

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Ice sheet surface elevation change rate for Greenland and Antarctica from 1992 to present derived from satellite observations

This dataset provides estimates of surface elevation change over the Greenland and Antarctic ice sheets since 1992, utilizing satellite radar altimetry from five missions: ERS-1, ERS-2, ENVISAT, CryoSat-2, and Sentinel-3A. The surface elevation change is modelled over successive, overlapping periods and reported monthly.

calendar_today Interval/period: Wed, 01/01/1992 - Sun, 07/05/2026

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Ice sheet velocity for Antarctica and Greenland derived from satellite observations

This dataset provides annual ice velocity maps of the Greenland and Antarctic Ice Sheets derived from Sentinel-1 data. The product represents the current state-of-the-art in Europe for satellite-based ice velocity data records. It follows from the European Space Agency (ESA) Climate Change Initiative (CCI) and is guided by the Global Climate Observing System (GCOS) targets for the Ice Sheets Essential Climate Variable (ECV).

calendar_today Interval/period: Sun, 10/01/2017 - Sun, 07/05/2026

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pan-Arctic regional reanalysis daily and monthly data from 1986 to present

The C3S Arctic Regional Reanalysis second generation (CARRA2) dataset contains daily and monthly meteorological variables at 2.5 km resolution. These variables are specified at single levels (including surface) and also at soil, height, pressure and model levels. These daily and monthly data are pre-calculated and have the following types depending on the variables: daily and monthly averages, extremes and totals.

calendar_today Interval/period: Tue, 10/01/1985 - Wed, 12/31/2025

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pan-Arctic regional reanalysis sub-daily data from 1986 to present

The C3S Arctic Regional Reanalysis second generation (CARRA2) dataset contains 3-hourly analyses at 2.5 km resolution. These variables are specified at single levels (including surface) and also at soil, height, pressure and model levels. Additionally, hourly forecasts are available between the analysis times and particularly forecasts up to 18 hours initialised from the analyses at 00 and 12 UTC.

calendar_today Interval/period: Sun, 09/01/1985 - Wed, 12/31/2025

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MUCAPE and MUCIN

MUCAPE (Most Unstable Convective Available Potential Energy) is an indicator of atmospheric instability (the susceptibility of the troposphere to support free convection) and...

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Snow water equivalent for the Northern Hemisphere from 1979 to present derived from satellite observations

Snow water equivalent (SWE) is an important variable indicating the amount of accumulated snow on land surfaces. SWE describes the amount of liquid water in a snowpack that would be formed if the snowpack was completely melted. This dataset is useful for monitoring snow conditions, freshwater storage, and climate studies. It provides daily estimates of SWE for the Northern Hemisphere from 1979 to present derived from passive microwave radiometer (PMR) measurements onboard polar-orbiting satellites.

calendar_today Interval/period: Tue, 01/02/1979 - Sun, 07/05/2026

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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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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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