[gradsusr] Extracting MOS Data

[Walsh, Brian J]

Dear GrADS Users,

I'm downloading GFS MOS data in grib2 format (ftp://tgftp.nws.noaa.gov/SL.us008001/ST.opnl/DF.gr2/DC.ndgd/GT.mosgfs/AR.conus) and while I am able to plot the data fine, I can't seem to extract data for particular locations.  The data seems to be on a Lambert Conformal grid.  When trying to extract data, I get an "Interpolation Operand" error message.

We are using GrADS version 2.0.a8 on a Linux server.

Thanks in advance for any help.

Regards,

Brian

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