ERA5-Land hourly data: empty files Nov/Dec 2024

Datasets and Usage
1

Hi,
has there been some issues with ERA5-Land hourly data processing?
I continuously downloading ERA5-Land hourly datasets (esp. snow variables) from the Climate data store. But it seems that Nov/Dec 2024 files are empty. The downloaded grib-files have no values in it (eccodes fails to extract).
I can’t find and updated info at the CDS, if ERA5-Land data had some issues. The files before Nov 2024 are OK.
Many thanks in advance for any support.

Some error messages below:
>>> grib_ls ERA5Land_20241101T120000_snow.grib
ERA5Land_20241101T120000_snow.grib
0 of 0 messages in ERA5Land_20241101T120000_snow.grib

grib_to_netcdf: Version 2.31.0
grib_to_netcdf: Processing input file ‘ERA5Land_20241226T120000_snow.grib’.
ECCODES ERROR : Input does not contain any field. Exiting!

2

Just to close this topic and respond with my solution:
Request tagname on data-format in CDS API has changed!
Instead of old:
request = {
‘format’: ‘grib’,
‘variable’: […]
}

new request has to be:

request = {
“variable”: […],
“data_format”: “grib”,
“download_format”: “unarchived”
}

I think the change of the tagnames was the issue.

Just as a note: it would be good if users get informed about such changes, so that operational codes do not suddenly fail.

Anyway, problem solved.