Observational and Re-analysis Datasets

“Raw” Archives (as downloaded from the original source)

Archive Size1 Location Access Status time period Variables Temporal Resolution Spatial Resolution more information
E-OBS 660G IAC direct different versions, updated irregularly 1950 - present TG: mean temperature, TN: minimum temperature, TX: maximum temperature, RR: precipitation sum, PP: mean sea level pressure, FG: mean wind speed, HU: mean relative humidity, QQ: global radiation daily 0.1° and 0.25° E-OBS, CDS
MERRA2 15T IAC direct updated 1980 - present many, temperature, precipitation, radiation, sea level pressure etc. hourly, sst monthly 0.5 lat x 0.625 lon (~50km) MERRA-2, Climate Data Guide
ERAInterim 5T CSCS2 direct static 1979-2019 W_SO_REL, T_SO, W_SNOW, FR_LAND, T_SKIN, T_SNOW, FIS, T, U, V, QV, PS, QC, QI, FR_SEA_ICE 6-hourly 0.7° x 0.7° (80 km) global  
ERA5 50T CSCS3 direct updated 1979 - present FIS, FR_LAND, FR_SEA_ICE, PS, QC, QI, QR, QS, QV, T, T_SKIN, T_SNOW, T_SO, U, V, W_SNOW, W_SO_REL hourly 0.28125° x 0.28125° (31 km) ERA5 at CDS
ERA5 17T IAC4 direct updated 1940 - present 2t, tp, 10si, mn2t, mx2t monthly, hourly (variable dependent) 0.25° x 0.25° ERA5 monthly, ERA5 hourly, need to delete original data after processing because of size
ERA5-Land 40T IAC5 direct updated 1950 - present 2t, snom hourly (variable dependent) 0.1° x 0.1° ERA5-Land, need to delete original data after processing because of size
CERRA 16T IAC6 direct updated 1985 - present 2t, t, r, … 3-hourly 5x5km sub-daily regional reanalysis data for Europe, Wishlist, Download Status, space constraints prevent us from keeping all the 3-hourly data which have been processed into daily data, see sheet on download process
CERRA-Land 12T IAC7 direct updated 1985 - present snom, sro, tp, … 3-hourly 5x5km CDS, Wishlist, Download Status, space constraints prevent us from keeping all the 3-hourly data which have been processed into daily data, see sheet on download process

Processed Archives (e.g. aggregated or regridded)

Archive Size1 Location Access Status time period Variables Temporal Resolution Spatial Resolution more information
E-OBS and MCH 50G IAC8 direct static 1971-2020 tas, tasmax, tasmin, pr daily 0.11° E-OBS (v23.1e and v26.0e) data with higher resolution MCH data over Switzerland (prepared for CH2025)
MCH 7G IAC9 direct static 1971-2021 tas, tasmax, tasmin, pr daily ~2km gridded observational data from MeteoSwiss over Switzerland
MERRA2 17G IAC10 direct updated 1980-2015 (v0), 1980-2018 (v1) tas, tasmax, tasmin, huss, psl, pr, hfss, hfls, rlus, rlds, rsds, rsus, tos daily, monthly 2.5 lat x 2.5 lon (same as cmip6-ng) files are consistent with cmip-ng archives, no time period is indicated in filenames  
CERRA 6T IAC11 direct updated 1985 - 2020 (v1) 2t, t, r, … daily, monthly 5x5km sub-daily regional reanalysis data for Europe, CDS, Status
CERRA-Land 1.8T IAC12 direct updated 1985 - 2020 (v1) snom, sro, tp, … daily, monthly 5x5km CDS, Status
ERA5 500G IAC13, Euler direct updated v1: 1940 - present, v2: 1980 - present v1: 2t, tp, mx2t, mn2t, v2: 14 daily, monthly 0.25° x 0.25° CDS
ERA5-Land 2.2T IAC15 direct updated 1950 - present 2d, 2t, sd, snom daily, monthly 0.1° x 0.1° CDS

1 As of May 2022

2 /store/c2sm/c2sme/reanalyses_dkrz/ERAInterim

3 /store/c2sm/c2sme/reanalyses_dkrz/ERA5

4 /net/atmos/data/era5_cds/original

5 /net/atmos/data/era5-land_cds/original

6 /net/atmos/data/cerra/original

7 /net/atmos/data/cerra-land/original

8 /net/co2/c2sm-data/ch202X/Obs_Data/EOBS/0.1deg_reg_v23.1e/processed/, /net/co2/c2sm-data/ch202X/Obs_Data/EOBS/0.1deg_reg_v26.0e/processed/

9 /net/co2/c2sm-data/ch202X/Obs_Data/MCH/processed/

10 /net/co2/c2sm-data/rlorenz/MERRA2/

11 /net/atmos/data/cerra/processed/v1/

12 /net/atmos/data/cerra-land/processed/v1/

13 /net/atmos/data/era5_cds/processed/

14 /net/atmos/data/era5_cds/processed/v2/, Variable list and progress

15 /net/atmos/data/era5-land_cds/processed/v1/