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[GEMPAK #JBO-562759]: Plotting ocean currents
- Subject: [GEMPAK #JBO-562759]: Plotting ocean currents
- Date: Thu, 20 Aug 2015 10:57:05 -0600
> Hello,
>
> I am attempting to plot ocean current forecasts in Gempak. The data I have
> is from NOAA's Ocean Forecast, in grib2 format. After converting to gem
> format, I now have data containing variable URELC and VRELC (U relative
> ocean current and V relative ocean current). Is there a simple way that I
> can create streamlines from this data? The WND function doesn't seem to
> recognize the variables URELC and VRELC? I can do the vector algebra, but
> I was hoping there was something easier. Thanks!
Hi Andy,
I was told that you can use VECR(URELC,VRELC) for GVECT in GDSTREAM.
From http://www.unidata.ucar.edu/software/gempak/man/parm/apxB.html
VECR Create a vector grid from two grid relative scalar components
VECR ( S1, S2 ) = [ S1, S2 ]
-Michael
Ticket Details
===================
Ticket ID: JBO-562759
Department: Support GEMPAK
Priority: Normal
Status: Open