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&nbsp; <BR>
Dear Grads-user<BR>
&nbsp; &nbsp; I have ploted a time-latitude cross-section of vorticity.Here x-axis with time and y-axis with latitude.The latitude value varies from 15 N to 20 N. But I would like to draw a horizontal line in a desired latitude(say at 17.5).Please give me sugession to do this job.<BR>
&nbsp; &nbsp; Thanking you.<BR>
<BR>
with best regards<BR>
Satyaban
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