ECMWF HRES and ERA5 datasets for the paper "The three-dimensional structure of fronts in mid-latitude weather systems in numerical weather prediction models". Content: ======================================================================================== Storm Friederike: ECMWF HRES forecast, 18.01.2018 00:00 UTC - 23:00 UTC, hourly, GRIB-format. ECMWF ERA5 reanalysis, 16.01.2018 12:00 UTC - 19.01.2018 00:00 UTC, twelve-hourly data, GRIB-format. ======================================================================================== Storm Vladiana: ECMWF HRES analysis, 23.09.2016 00:00 UTC - 23.09.2016 00:00 UTC, six-hourly data, rotated North Pole (latitude: 51˚, longitude: 160˚), NetCDF-format. ======================================================================================== Storm Egon: ECMWF ERA5 reanalysis, 12.01.2017 00:00 UTC - 13.01.2017 06:00 UTC, six-hourly data, GRIB-format.

Licences: ECMWF HRES (c) ECMWF, retrieved from MARS catalogue: https://www.ecmwf.int/en/forecasts/datasets/set-i , used under Creative Commons Attribution-4.0 International (https://creativecommons.org/licenses/by/4.0/legalcode). ECMWF ERA5: Generated using Copernicus Climate Change Service information 2023, https://www.ecmwf.int/en/forecasts/dataset/ecmwf-reanalysis-v5