ERA5 data December 2023

[Kevin_Marsh]

Hi Omar,
The December 2023 data probably currently contains a mixture of ERA5 and ERA5T data, leading to an extra dimension (expver) in the netCDF file. See this post for details and workarounds

ERA5 CDS requests which return a mixture of ERA5 and ERA5T data

The ERA5 hourly and monthly data are made available with a 3 month delay. This means that after a month has passed, another month's worth of ERA5 data is written to the dataset. ERA5T (near real time) preliminary data are used to fill the gap between the end of the ERA5 data and 5 days before the present date. The oldest month of these is overwritten each month as new ERA5 data become available. So as an example, say we have a current date  of 15th February 2020: ERA5 data are currently fro…

Hope that helps
Kevin