[gradsusr] ammended script

[Eric Altshuler]

Hi kaikombo, 

Here are a few script changes you should make: 


1. remove the lines 'set x 1 144' and 'set y 1 73' 
2. change 'set lon 0 360' to 'set lon -180 180' 
3. move your sdfopen commands (uwnd and vwnd) outside the while loop--it's unnecessary to open these files every time through the loop 
4. remove the 'reinit' command that's inside the while loop 
5. remove 'disable sdfwrite', this is an invalid command 


Best regards, 


Eric L. Altshuler 
Research Scientist 
Center for Ocean-Land-Atmosphere Studies 
4041 Powder Mill Road, Suite 302 
Calverton, MD 20705-3106 
USA 

E-mail: ela at cola.iges.org 
Phone: (301) 902-1257 
Fax: (301) 595-9793 

----- Original Message -----
From: "kombo kai" <kaikombo at yahoo.com> 
To: gradsusr at gradsusr.org 
Sent: Wednesday, March 13, 2013 12:39:15 AM 
Subject: [gradsusr] ammended script 

I have write the filed for the vorticity at each level using the NCEP u and v winds. 
but when I plot these files at the lon and lat of my interest it leaves a verticle strip at lon 0 
any one can help on I how to remove this strip?. 
I have attached the image which I have plotted. 
this is my script 
'reinit' 
'c' 
lev.1=925 
lev.2=850 
lev.3=700 
lev.4=600 
lev.5=500 
lev.6=400 
lev.7=300 
lev.8=250 
lev.9=200 
lev.10=150 
lev.11=100 
levcount=1 
while(levcount<=11) 
lev=lev.levcount 
say lev 
'sdfopen d:/vorticity/uwnd.mon.mean.nc' 
'sdfopen d:/vorticity/vwnd.mon.mean.nc' 
'set lon 0 360' 
'set lat -90 90' 
'set t 1 778' 
'set lev 'lev 
'set x 1 144' 
'set y 1 73' 
'vort=hcurl(uwnd,vwnd.2)' 
'set sdfwrite d:/vorticity2/'lev'_vorty.nc' 
'sdfwrite vort' 
'reinit' 
levcount=levcount+1 
endwhile 
'disable sdfwrite' 
'reinit' 

sdfopen d:/vorticity2/850_vorty.nc 
set lon -70 120 
set lat -45 45 
set t 30 
set gxout shaded 
d vort 
plsease find the attaced image which I get 
regards 
kaikombo 


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