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Experiment ID | Initial condition | Resolution | Starting date | Time step | Output frequency | ||||||||
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Xaver | 1 | gt2n | ERA-Interim | T255L91 | 1 Dec, 2 Dec, 3 Dec 2013 | 2700 s | 3h | ||||||
2 | gt44 | ERA_Interim | T639L137 | 1 Dec, 2 Dec, 3 Dec 2013 | 900 s | 3h | |||||||
3 | gtgc | ERA-Interim | T1279L137 | 1 Dec, 2 Dec, 3 Dec 2013 | 600 s | 3h | |||||||
4 | gt2r | ERA5 | T255L91 | 1 Dec, 2 Dec, 3 Dec 2013 | 2700 s | 3h | |||||||
5 | gt46 | ERA5 | T639L137 | 1 Dec, 2 Dec, 3 Dec 2013 | 900 s | 3h | |||||||
6 | gtgd | ERA5 | T1279L137 | 1 Dec, 2 Dec, 3 Dec 2013 | 600 s | 3h | |||||||
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Desmond | 1 | gryg | ERA-Interim | T255L91 | 1 Dec, 2 Dec, 3 Dec, 4 Dec, 5 Dec 2015 | 2700 s | 3h | ||||||
2 | gs22 | ERA-Interim | T639L137 | 3 Dec, 4 Dec 2015 | 900 s | 3h | |||||||
3 | gs23 | ERA-Interim | T1279L137 | 1 Dec, 2 Dec, 3 Dec, 4 Dec, 5 Dec 2015 | 600 s | 3h | |||||||
4 | gs0c | ERA5 | T255L91 | 3 Dec, 4 Dec 2015 | 2700 s | 3h | |||||||
5 | gs04 | ERA5 | T639L137 | 3 Dec, 4 Dec 2015 | 900 s | 3h |
Downloading the input data
!! The input data and the namelists needed to run the experiments can be downloaded from the ECMWF FTP server: download.ecmwf.int/test-data. !!
The files are packed in .tar.gz files and structured into directories named after the case studies (i.e., Xaver_201312, Desmond_201512) and subdirectories indicating the main experiment characteristics (e.g., T255L91_ERA5). Each archive file contains the data for a given starting date (e.g., gs0c_2015120300.tar.gz). Typical content of a .tar.gz file is as follows:
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File name
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The namelist
The namelist file highlighted in green in the box above controls the necessary settings (e.g., time step, experiment ID) as well as the post-processing. The most important namelist elements are listed below with their explanation:
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In the evaluation, we would like to investigate the following variables:
- 2-meter temperature: its GRIB code number is 167;
- precipitation: it is composed from large-scale and convective precipitation with code numbers 142 and 143, respectively;
- mean sea level pressure: its code number is 151;
- 10-meter wind gust: its code number is 49;
- temperature at 850 hPa level: its code number is 130;
- relative humidity at 700 hPa level: its code number is 157;
- geopotential at 500 hPa level: its code number is 129;
u and v wind components at 250 and 100 hPa with code numbers 131 and 132, respectively.
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<p>The listed variables have to be included in the namelist among the post-processing variables (see the code numbers and levels highlighted with <b>bold</b> characters in the box above). More information about the namelist settings and GRIB field codes can be found in the <b><a href="https://software.ecmwf.int/wiki/display/OIFS/How-to+articles" target="_blank">OpenIFS how-to articles</a></b>: <a href="https://software.ecmwf.int/wiki/display/OIFS/How+to+control+OpenIFS+output" target="_blank">How to control OpenIFS output</a>.</p>
<p><b><font color=red>!!</font></b> To run the model, the paths of the input data and the namelist have to be set in the job. ..... <a href="https://software.ecmwf.int/wiki/display/OIFS/5.6+Acceptance+testing+OpenIFS+after+installation" target="_blank">Acceptance testing OpenIFS after installation</a>.</p> |
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