drawing vertical cross section charts from GRIB files

From: Leung Samuel <shwl0608_at_nyahnyahspammersnyahnyah>
Date: Wed Mar 30 2011 - 22:05:41 MDT

Hi NCL Team,

I would like to study the feasibility of plotting an image in pressure vs
latitude coordinates (attachment is the example). I need to extract data
from grib files, but I guess I have to "convert" the elements inside in
advance before I can use "gsn_csm_pres_hgt" for the plot.

The element extracted from the grib files is a 3d array
Dimensions and sizes: [lv_ISBL2 | 16] x [g0_lat_0 | 348] x [g0_lon_1 |
            lv_ISBL2: [100..1000]
            g0_lat_0: [42.1..7.4]
            g0_lon_1: [89.9..146.6]

I tried to put the array to the function "vinth2p" but it looked like it is
not a correct approach.
*fatal:vinth2p: Surface pressure must have same number of [case], [time],
lat and lon elements as first input argument; number of dimensions do not

Any suggestion? Let me know if you want to take a look at the grib file I

Thanks for your help!

Samuel Leung

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Received on Wed Mar 30 22:05:50 2011

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