Index Calculates

[Rafael Mundaray]

Hello other time my GrADS Users, i have output files of WRF NMM... and i am
using wrfpostandgrads... In this program i have a scripts for once products
of GrADS, I am now interesting in obtain Stability Index...
The Index KI has the following equation:
      KI = Temperature to 850 hpa - Dew Point to 850 hpa - (Temperature to
700 hpa - Dew Point to 700 hpa) - Temperature to 500 hpa

The Index TT has the following equation:
      TT = Temperature to 850 hpa + Dew Point to 850 hpa - 2*Temperature to
500 hpa

The Index CAP has the following equation:
      CAP = Air Temperature in the Free Convection Level - Temperature of
the Free Convection Level

The Index Thompson has the following equation:
       TI = KI - LI

How i show the images of these indexs???
Look the following script more or less is the srcipt that i am using for
display this Index, but i don't know how i obtain this images???????

'set mpdset hires'
'set map 1 1 10'
'set grads off'
'set timelab off'
'set gxout shaded'
'd ??????????????????????????????????????????????????????????????????'
'cbar'
'draw title Indice KI ${NEWDATA}'
'printim images/Indice_KI_${fhr}_${domain}.gif gif'

Can you help me??????????????
Thanks
Regards................>!!!!!!!!!!!!!!!!!!!!
--
Ing. Rafael E. Mundaray M.
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