[gradsusr] Coordinates of pole for polar stereographic GRIB

[Wesley Ebisuzaki - NOAA Federal]

Joey,

  Try changing the orientation angle to 0 or 360 and see if that helps.
Grib2ctl/g2ctl uses adds a 180 degrees to the orientation angle in order
to get NCEP southern polar stereographic files to plot.  Files from
other centers may be different.

Wesley

On Fri, Mar 20, 2015 at 10:24 AM, Snarski, Joseph <jsnarski at scires.com>
wrote:

>  I am having trouble determining the ipole and jpole parameters for PDEF
> in the description file for a southern polar stereographic preprojected
> GRIB file. I’ve tried several calculations that have failed, placing what
> should be a grid over New Zealand over Europe instead. Below is what is
> returned with the wgrib utility. Any help in how to find the ipole and
> jpole coordinates would be much appreciated.
>
>
>
> rec 1:0:date 2015022312 UGRD kpds5=33 kpds6=105 kpds7=10 levels=(0,10)
> grid=255 10 m above gnd 3hr fcst:
>
>   UGRD=u wind [m/s]
>
>   timerange 0 P1 3 P2 0 TimeU 1  nx 384 ny 384 GDS grid 5 num_in_ave 0
> missing 0
>
>   center 60 subcenter 255 process 255 Table 2 scan: WE:SN winds(grid)
>
>   polar stereo: Lat1 -62.775000 Long1 -22.188000 Orient 180.000000
>
>      south pole (384 x 384) Dx 8632 Dy 8632 scan 64 mode 8
>
>   min/max data -20.7499 14.6501  num bits 8  BDS_Ref -207.499  DecScale 1
> BinScale 1
>
>
>
>
>
> Cheers,
>
>
>
> Joey Snarski
>
> Research Analyst – Scientific Research Corporation
>
> 1101 Remount Rd Suite 500
>
> North Charleston, SC 29406
>
> W: 843-725-5422        C: 414-840-8509
>
> www.scires.com
>
>
>
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