Visual Reference and Comparison of ECMWF Operational, ERA5, and ERA-Interim 2 meter Temperature for 2016-01-01 12:00:00 UTC.

Visual Reference and Comparison of ECMWF Operational, ERA5, and ERA-Interim 2 meter Temperature for 2016-01-01 12:00:00 UTC.
Computed by CISL RDA from reduced Gaussian 2 meter temperature.
2016-01-01 12:00:00 UTC ECMWF Operational IFS CY41r2 5120x2560 (N1280, T1279, 7.8 km, 0.07°) 2 meter temperature (in K) computed from reduced Gaussian 2 meter temperature. Cylindrical equidistant projection.
2016-01-01 12:00:00 UTC ECMWF ERA5 IFS CY41r2 1280x640 (N320, T639, 31 km, 0.28°) 2 meter temperature (in K) computed from reduced Gaussian 2 meter temperature. Cylindrical equidistant projection.
2016-01-01 12:00:00 UTC ECMWF ERA-Interim IFS CY31r2 512x256 (N128, T255, 78 km, 0.7°) 2 meter temperature (in K) computed from reduced Gaussian 2 meter temperature. Cylindrical equidistant projection.