[gradsusr] Meridional Circularion

Sujata Mandke amin at tropmet.res.in
Mon Oct 8 05:49:38 EDT 2018

Hi Joseph,

  For plotting meridional circulation, use vertical
with best regards
Dr. Sujata Mandke
Indian Institute of Tropical Meteorology

----- Original Message -----
From: "Joseph Basconcillo" <jbasconcillo at pagasa.dost.gov.ph>
To: "gradsusr" <gradsusr at gradsusr.org>
Sent: Monday, October 8, 2018 1:40:50 PM
Subject: [gradsusr] Meridional Circularion

Hi, all:

I would like to plot the meridional circulation from 1000 hPa to 200 hPa to capture the Hadley Cell.

I have UWND and VWND. Plotting these variables would be as follows:

'open uwnd.ctl'
'open vwnd.ctl'
'set z 1 23'
'set lat 0 50'
'define a=ave(uwnd.1,lon=100, lon=260)'
'define b=ave(vwnd.2,lon=100, lon=260)'
'd a;b'

Now, "d a;b" only plots the vector wind in height-latitude cross section. So, it does not correspond to vertical wind profile. I have been reading queries in the forum but it seems there is no proposed solution yet. Can you show me if you have proposed solution to this? Thanks.


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