Observational and Re-analysis Datasets¶

Note

File size information last updated in May 2022.

Raw Archives¶

Info

Dataset available as downloaded from the original source.

CERRA¶

IAC

/net/atmos/data/cerra/original

Size: 16 TB
Access: direct
Status: updated
Time period: 1985 - present
Variables: 2t, t, r, ...
Temporal Resolution: 3-hourly
Spatial Resolution: 5 km x 5 km
More information: sub-daily regional reanalysis data for Europe, CDS , Wishlist , Download Status

CERRA-Land¶

IAC

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

Size: 12 TB
Access: direct
Status: updated
Time period: 1985 - present
Variables: snom, sro, tp, ...
Temporal Resolution: 3-hourly
Spatial Resolution: 5 km x 5 km
More information: CDS , Wishlist , Download Status

E-OBS¶

IAC

/net/atmos/data/E-OBS

Size: 660 GB
Access: direct
Status: different versions, updated irregularly
Time period: 1950 - present
Variables:
- 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
Temporal Resolution: daily
Spatial Resolution: 0.1° and 0.25°
More information: E-OBS , CDS

ERAInterim¶

CSCS

/store/c2sm/c2sme/reanalyses_dkrz/ERAInterim

Size: 5 TB
Access: direct
Status: static
Time period: 1979-2019
Variables: FIS, FR_LAND, FR_SEA_ICE, PS, QC, QI, QV, T, T_SKIN, T_SNOW, T_SO, U, V, W_SNOW, W_SO_REL
Temporal Resolution: 6-hourly
Spatial Resolution: 0.7° x 0.7° (80 km) global

ERA5 (for ICON-CLM)¶

Piz Daint (legacy)Alps

/store/c2sm/c2sme/reanalyses_dkrz/ERA5

/store/migration/store/c2sm/c2sme/reanalyses_dkrz/ERA5

Size: 69 TB (last updated: 2024-10-28)
Number of files: 21,703 (last updated: 2024-10-28)
Access: direct
Status: updated
Time period: 1940 - 1952, 1979 - 2024 (missing data is currently being downloaded)
Variables: 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
Temporal Resolution: hourly
Spatial Resolution: 0.28125° x 0.28125° (31 km)
Vertical levels: 40 - 137
More information: ERA5 at CDS

ERA5¶

IAC

/net/atmos/data/era5_cds/original

Size: 17 TB
Access: direct
Status: updated
Time period: 1940 - present
Variables: 2t, tp, 10si, mn2t, mx2t
Temporal Resolution: monthly, hourly (variable dependent)
Spatial Resolution: 0.25° x 0.25°

ERA5-Land¶

IAC

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

Size: 40 TB
Access: direct
Status: updated
Time period: 1950 - present
Variables: 2t, snom
Temporal Resolution: hourly (variable dependent)
Spatial Resolution: 0.1° x 0.1°
More information: ERA5-Land

MERRA2¶

IAC

/net/atmos/data/MERRA2

Location: IAC
Size: 15 TB
Access: direct
Status: updated
Time period: 1980 - present
Variables: many, temperature, precipitation, radiation, sea level pressure etc.
Temporal Resolution: hourly, sst monthly
Spatial Resolution: 0.5 lat x 0.625 lon (~50km)
More information: MERRA-2 , Climate Data Guide

Processed Archives¶

Info

Datasets are aggregated or regridded.

CERRA¶

IAC

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

Size: 7.72 TB
Number of files: 1,824
Access: direct
Status: updated
Time period: 1985-2020
Variables: 10si, 10wdir, 2r, 2t, eva, gph500, liqvsm, mn2t, mx2t, r, sd, sde, sf, skt, slhf, sp, sshf, ssr, ssrd, str, strd, t, u, v, vsw
Temporal Resolution: daily, monthly
Spatial Resolution: 5x5km
More information: Sub-daily regional reanalysis data for Europe, CDS , Status

CERRA-Land¶

IAC

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

Size: 1.78 TB
Number of files: 1,016
Access: direct
Status: updated
Time period: 1985-2020
Variables: eva, sd, skt, slhf, snom, sro, sshf, ssr, ssrd, str, strd, tp, vsw
Temporal Resolution: daily, monthly
Spatial Resolution: 5x5km
More information: CDS , Status

E-OBS and MCH¶

IAC

/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/

Size: 141 GB
Number of files: 12
Access: direct
Status: static
Time period: 1971-2020
Variables:
- v23.1e: CDD, TXx, pr, tas, tasmax, tasmin
- v26.0e: pr, tas, tasmax, tasmin
Temporal Resolution: daily
Spatial Resolution: 0.11°
More information: E-OBS (v23.1e and v26.0e) data with higher resolution MCH data over Switzerland (prepared for CH2025)

ERA5¶

IACEuler

/net/atmos/data/era5_cds/processed/

/nfs/atmos/c2sm/era5/processed/

Size: 45.71 TB
Number of files: 135,607
Access: direct
Status: updated
Time period: v1: 1940-2022, v2: 1980-2023, v3: 1940-present
Variables: cbh, cl, clt, d2m, hur, hurs, pr, ps, psl, rlds, rls, rsds, sfcWind, strd, ta, tas, tasmax, tasmin, tos, ua, uas, va, vas, zg
Variable list and progress
v2: variable names and units are standardized to CMIP. Inconsistency in clt, clt is provided as fraction (as original ERA5) not % (as supposed to be in CMIP)
v3: variable names and units are standardized to CMIP (incl. clt)
Temporal Resolution: daily, monthly
Spatial Resolution: 0.25° x 0.25°
More information: CDS

ERA5-Land¶

IAC

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

Size: 6.64 TB
Number of files: 1,504
Access: direct
Status: updated
Time period: 1950-present
Variables: 2d, 2t, e, pev, sd, snom, swvl1, swvl2, swvl3, swvl4, tp
Temporal Resolution: daily, monthly
Spatial Resolution: 0.1° x 0.1°
More information: CDS

MERRA2¶

IAC

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

Size: 17 GB
Access: direct
Status: updated
Time period: v0: 1980-2015, v1: 1980-2018
Variables: tas, tasmax, tasmin, huss, psl, pr, hfss, hfls, rlus, rlds, rsds, rsus, tos
Temporal Resolution: daily, monthly
Spatial Resolution: 2.5 lat x 2.5 lon (same as cmip6-ng)
More information: Files are consistent with cmip-ng archives, no time period is indicated in filenames

MCH¶

IAC

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

Size: 7 GB
Access: direct
Status: static
Time period: 1971-2021
Variables: tas, tasmax, tasmin, pr
Temporal Resolution: daily
Spatial Resolution: ~2km
More information: Gridded observational data from MeteoSwiss over Switzerland