Per Dahlgren
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View article: Copernicus European Regional ReAnalysis (CERRA)
Copernicus European Regional ReAnalysis (CERRA) Open
The Copernicus European Regional ReAnalysis (CERRA, https://climate.copernicus.eu/regional-reanalysis-europe) is produced by the Swedish Meteorological and Hydrological Institute (SMHI) as part of the Copernicus Climate Change Service (C3S…
View article: <scp>CERRA</scp>, the Copernicus European Regional Reanalysis system
<span>CERRA</span>, the Copernicus European Regional Reanalysis system Open
A regional reanalysis has been produced for a domain covering entire Europe from 1984 to 2021. The reanalysis is produced as part of the Copernicus Climate Change Service. The Service provides the high‐resolution deterministic Copernicus E…
View article: Evolution of the Copernicus Arctic Regional Reanalysis
Evolution of the Copernicus Arctic Regional Reanalysis Open
<p>A 30-year Copernicus Arctic Regional Reanalysis (CARRA) for the period of 1991-2021 has recently been finalized within the framework of the Copernicus Climate Change Service (C3S), which is a service implemented by ECMWF on behalf…
View article: Copernicus European regional reanalysis
Copernicus European regional reanalysis Open
<p>The Copernicus European regional reanalysis (https://climate.copernicus.eu/regional-reanalysis-europe) was produced as part of the Copernicus Climate Change Service (C3S). The presentation will introduce the service and its main o…
View article: The ERA5 global reanalysis: Preliminary extension to 1950
The ERA5 global reanalysis: Preliminary extension to 1950 Open
The extension of the ERA5 reanalysis back to 1950 supplements the previously published segment covering 1979 to the present. It features the assimilation of additional conventional observations, as well as improved use of early satellite d…
View article: 24 years of C3S Arctic regional reanalysis
24 years of C3S Arctic regional reanalysis Open
<p>The Copernicus Climate Change Service (C3S) regional reanalysis for the Arctic consists of two datasets of Essential Climate Variables (ECVs) for the 24 year period from 1997 to 2021. The high resolution (2.5x2.5 km<sup>2<…
View article: The ERA5 global reanalysis
The ERA5 global reanalysis Open
Within the Copernicus Climate Change Service (C3S), ECMWF is producing the ERA5 reanalysis which, once completed, will embody a detailed record of the global atmosphere, land surface and ocean waves from 1950 onwards. This new reanalysis r…
View article: The ERA5 Global Reanalysis: achieving a detailed record of the climate and weather for the past 70 years.
The ERA5 Global Reanalysis: achieving a detailed record of the climate and weather for the past 70 years. Open
<p>Reanalysis is a key contribution to the Copernicus Climate Change Service (C3S) that is implemented at the European Centre for Medium-Range Weather Forecasts (ECMWF) on behalf of the European Commission. The most recent ECMWF rean…
View article: Observations for Reanalyses
Observations for Reanalyses Open
Global dynamical reanalyses of the atmosphere and ocean fundamentally rely on observations, not just for the assimilation (i.e., for the definition of the state of the Earth system components) but also in many other steps along the product…
View article: The EU-FP7 ERA-CLIM2 Project Contribution to Advancing Science and Production of Earth System Climate Reanalyses
The EU-FP7 ERA-CLIM2 Project Contribution to Advancing Science and Production of Earth System Climate Reanalyses Open
The European Reanalysis of Global Climate Observations 2 (ERA-CLIM2) is a European Union Seventh Framework Project started in January 2014 and due to be completed in December 2017. It aims to produce coupled reanalyses, which are physicall…
View article: A high‐resolution regional reanalysis for Europe. Part 2: 2D analysis of surface temperature, precipitation and wind
A high‐resolution regional reanalysis for Europe. Part 2: 2D analysis of surface temperature, precipitation and wind Open
The set‐up and performance of the regional reanalysis for Europe with the HIgh‐Resolution Limited‐Area Model (HIRLAM) to a 3D grid‐mesh with 22 km resolution for the years 1989–2010 have been presented in Part 1. This part describes how th…
View article: A high‐resolution regional reanalysis for Europe. Part 1: Three‐dimensional reanalysis with the regional HIgh‐Resolution Limited‐Area Model (HIRLAM)
A high‐resolution regional reanalysis for Europe. Part 1: Three‐dimensional reanalysis with the regional HIgh‐Resolution Limited‐Area Model (HIRLAM) Open
A regional reanalysis covering the years 1989–2010 has been produced with the HIgh Resolution Limited‐Area Model (HIRLAM) forecast model and data assimilation system. Surface and upper‐air variables were analysed at 0000, 0600, 1200 and 18…