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Python converter for NEXRAD BUFR DUMP #225

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PraveenKumar-NOAA
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This PR adds a Python converter for NEXRAD BUFR DUMP data.

The converter will be used to transform NEXRAD BUFR data into IODA (netCDF) format. Following steps similar to the GDASApp, a Python file and a JSON description file were created.

The following two files are new:

~/IODA/python/bufr2ioda_nexrad.py
~/IODA/python/bufr2ioda_nexrad.json

Related issue: #220

Validation for the output observation and IODA variable naming has been performed. A few variable names need to be discussed and will be adde to naming variable table.

@HuiLiu-NOAA
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HuiLiu-NOAA commented Nov 19, 2024 via email

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@SamuelDegelia-NOAA SamuelDegelia-NOAA left a comment

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LGTM! This converter takes a bit longer than the others (~210 s) but that is to be expected with the very large number of obs in the NEXRAD bufr data.

@PraveenKumar-NOAA
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@delippi @ShunLiu-NOAA please review this PR.

q.add('gateRange', '*/NL2RW{1}/DIST125M')
q.add('radialVelocity', '*/NL2RW{1}/DMVR')
q.add('spectralWidth', '*/NL2RW{1}/DVSW')
q.add('ppiVolume', '*/VOID')

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Can we use volumeIndex and scanIndex for VOID and SCID?

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@ShunLiu-NOAA thanks, updated names as volumeIndex and scanIndex for VOID and SCID, respectively.

q.add('volumeCoveragePattern', '*/VOCP')

# QualityMarker
q.add('windAlongRadialLineQM', '*/QCRW')

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Can we use radialWindQM for QCRW?

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@SamuelDegelia-NOAA SamuelDegelia-NOAA Dec 3, 2024

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It looks like QCRW was changed to radialVelocityQM (consistent with the obs being called radialVelocity) instead of radialWindQM. Does this matter @ShunLiu-NOAA?

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@PraveenKumar-NOAA could you please fix this typo?

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5 participants