Re: how to plot a subregion with wrf_contour

If you have a version of NCL later than V5.1.0. the recommended method is the "ZoomIn" attribute that is recognized by wrf_map:

http://www.ncl.ucar.edu/Document/Functions/WRF_arw/wrf_map.shtml

There are some examples of using "ZoomIn" on the WRF-ARW page:

http://www.mmm.ucar.edu/wrf/OnLineTutorial/Graphics/NCL/Examples/SPECIAL/olr.htm

--Mary

On Feb 19, 2011, at 12:23 AM, Dorita Rostkier-Edelstein wrote:

> There is a wrf_map_zoom routine within ncl (or may be the name is not exact it but close to) that you can use.
>
> From: WuLongtao <aos_rain@hotmail.com>
> To: ncl-talk@ucar.edu
> Sent: Fri, February 18, 2011 8:40:22 PM
> Subject: how to plot a subregion with wrf_contour
>
> Hello,
>
> I would like to plot a subregion of my wrf output. I tried to set
> res@mpMinLatF = -50
> res@mpMaxLatF = 0
> res@mpMinLonF =-100
> res@mpMaxLonF =-70
>
> But it didn't work. The followings are my setting. Do you have any suggestion? Thanks!
>
>
> -Longtao
>
> ********************************************************
> a = addfile("wrfout_d01_2006-09-22_12:00:00.nc","r")
> pblh = wrf_user_getvar(a,"PBLH",0)
> wks=gsn_open_wks("ps","pbl_wrf")
> res=True
> res@cnFillOn = True
> pltres = True
> mpres = True
> mpres@mpGeophysicalLineColor = "Black"
> mpres@mpNationalLineColor = "Black"
> mpres@mpUSStateLineColor = "Black"
> mpres@mpGridLineColor &nbs p; = "Black"
>
> gsn_define_colormap(wks,"rainbow")
> res@FieldTitle = "PBLH_WRF"
> contour=wrf_contour(a,wks,pblh,res)
> plot=wrf_map_overlays(a,wks,(/contour/),pltres,mpres)
> ***************************************************************
>
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Received on Tue Feb 22 10:58:14 2011