Why can't download further after modifying CDS API parameters

Software and Tools API
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1

When I run the CDS API in Pycharm to download 2D wave spectrum data, I can directly download the data.

The code is as follows：
#!/usr/bin/env python
import cdsapi

c = cdsapi.Client()

c.retrieve(“reanalysis-era5-complete”, {
“class”: “ea”,
“date”: “2020-04-01”,
“direction”: “1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24”,
“domain”: “g”,
“expver”: “1”,
“frequency”: “1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30”,
“param”: “251.140”,
“stream”: “wave”,
“time”: “00:00:00/01:00:00/02:00:00/03:00:00/04:00:00/05:00:00/06:00:00/07:00:00/08:00:00/09:00:00/10:00:00/11:00:00/12:00:00/13:00:00/14:00:00/15:00:00/16:00:00/17:00:00/18:00:00/19:00:00/20:00:00/21:00:00/22:00:00/23:00:00”,
“type”: “an”
}, “output”)
image

#!/usr/bin/env python
import cdsapi

c = cdsapi.Client()

c.retrieve(“reanalysis-era5-complete”, {
“class”: “ea”,
“date”: “2020-04-01”,
“direction”: “1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24”,
“expver”: “1”,
“frequency”: “1/2/3/4/5/6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25/26/27/28/29/30”,
“param”: “251.140”,
“stream”: “wave”,
“time”: “00:00:00/01:00:00/02:00:00/03:00:00/04:00:00/05:00:00/06:00:00/07:00:00/08:00:00/09:00:00/10:00:00/11:00:00/12:00:00/13:00:00/14:00:00/15:00:00/16:00:00/17:00:00/18:00:00/19:00:00/20:00:00/21:00:00/22:00:00/23:00:00”,
“type”: “an”,
‘area’ : ‘26/104/6/124’,
‘grid’ : ‘1.0/1.0’,
‘format’ : ‘netcdf’,
}, “ERA5-output-subarea.nc”)
But when I modified some parameters in the code and ran it, there was no download information. What is the reason for this?

image
image1163×88 15.5 KB

2

AFAIK: If the request from ERA5-complete fails, you don’t get a direct/clear error message. As ERA5-complete is not really listed as a data source.
So likely your adjusted request is somehow invalid.

3

Thank you for your response! I tried the above code again, but the waiting time became longer. In the end, the download was successful, however, the time cost was too high.
Thanks very much!

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