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PostPosted: Fri Jul 01, 2005 3:39 am 
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Does anyone know of a way to use scripting to perform calculations on a RUC file? For instance, I have successfully imported the RUC analysis grib file for a given hour. Within that file, the geopotential height at many isobaric levels can be selected. But suppose I want to compute a thickness value from two different levels? I have no problem doing this from actual RAOB data, but wonder if there is a way to do this from the RUC analysis and/or forecast files. Thanks for any help anyone can provide.


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PostPosted: Fri Jul 01, 2005 5:53 pm 
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How did you successfully import the RUC file and make it work? Site and info would be greatly thankful!

Jon


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PostPosted: Wed Jul 06, 2005 12:51 pm 
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I haven't had any luck with the 40km files, but on the FTPPRD site, I simply download the 80km file(about 1.5mb), and then use the import grib function in DAWS. Here is the path on the FTP site:

ftp://ftpprd.ncep.noaa.gov/pub/data/nccf/com/ruc/prod/ruc2a.20050705/
The file name for this hour is ruc2.t11z.grb2anl

After processing it, it actually indictes the resolution is 60km. For Sea level pressure, I have to use a contour interval of 200, since the units used for SLP are Pascals. Is this helpful?


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