Shahram Najm comments

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                                            Shahram Najm

Unable to read additional grib2 attributes

Doing a grib_dump on the product definition section of that file, I see: ``` % grib_dump -O -p section_4 CMC_hrdps_west_ALBDO_SFC_0_ps2.5km_2021021600_P000-00.grib2 ====================== SECTION_4 ( length=34, padding=0 ) ====================== 1-4 section4Length =...

If opening with xarray open_mfdataset and parallel=True it will fail unless you have previously opened it with parallel=False

The ecCodes library has to be built with thread safety enabled See https://confluence.ecmwf.int/display/UDOC/Is+ecCodes+thread-safe+-+ecCodes+FAQ

If opening with xarray open_mfdataset and parallel=True it will fail unless you have previously opened it with parallel=False

Looks like the conda recipe does NOT enable the thread safety flags. I will look into this

If opening with xarray open_mfdataset and parallel=True it will fail unless you have previously opened it with parallel=False

I have submitted a pull-request on conda... which has now been merged

If opening with xarray open_mfdataset and parallel=True it will fail unless you have previously opened it with parallel=False

Dear Guido, Please try again and re-install ecCodes. Let me know if the issue is now fixed

Problem with non standard param numbers

You could use the GRIB edition 1 key "indicatorOfParameter" which is different for these 2 GRIB messages (Instead of "paramId")

To read run length compressed data

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our [Contributor License Agreement](http://claassistant.ecmwf.int/ecmwf/eccodes?pullRequest=70) before we can accept your contribution

To read run length compressed data

Dear Tatsuya, First of all before we proceed, we need all our contributors to sign the [Contributor License Agreement](http://claassistant.ecmwf.int/ecmwf/eccodes?pullRequest=70).

Radar-derived precipitation rates unrecognized (NEXRAD data, MRMS reanalysis dataset)

The fields in these files use a non-standard (i.e., local) encoding. For example the discipline is 209 which is not a WMO standard value

Radar-derived precipitation rates unrecognized (NEXRAD data, MRMS reanalysis dataset)

First of all see this FAQ https://confluence.ecmwf.int/display/UDOC/Creating+your+own+local+definitions+-+ecCodes+GRIB+FAQ