[ncl-talk] Managing terrain height in the script wrf_CrossSection_add_smooth_terrain4.ncl

Tue May 24 23:39:20 MDT 2016

Hello Xiaoming and  Mary,

Thanks for your reply.
I am aware that it is a west-east cross section plot. I tried but could not
add the minor tick marks in vertical axes. The values in ter_plane used in
the scripts yields (max value is red  in color (21th value)

Variable: ter_plane
Type: float
Total Size: 272 bytes
            68 values
Number of Dimensions: 1
Dimensions and sizes:   [Horizontal | 68]
Coordinates:
Number Of Attributes: 3
  _FillValue :    9.96921e+36
  units :   m
  description :   Terrain Height
(0)   537.3745
(1)   556.2093
(2)   556.2093
(3)   552.6631
(4)   551.8929
(5)   588.4611
(6)   640.3762
(7)   713.1735
(8)   804.7409
(9)   854.6913
(10)  849.4119
(11)  805.8835
(12)  763.5001
(13)  735.0173
(14)  856.4299
(15)  1169.83
(16)  1492.322
(17)  1652.575
(18)  1694.905
(19)  1765.424
(20)  1889.178
(21)  1945.099
(22)  1869.276
(23)  1755.734
(24)  1730.924
(25)  1704.013
(26)  1546.452
(27)  1411.18
(28)  1363.609
(29)  1243.166
(30)  1051.444
(31)  936.7072
(32)  941.271
(33)  928.4125
(34)  861.8909
(35)  960.158
(36)  1142.136
(37)  1091.726
(38)  925.554
(39)  876.4838
(40)  894.1756
(41)  927.5086
(42)  1036.723
(43)  1188.228
(44)  1198.813
(45)  1186.619
(46)  1269.593
(47)  1163.258
(48)  913.6985
(49)  847.5559
(50)  987.7681
(51)  1175.981
(52)  1240.032
(53)  1103.708
(54)  881.4406
(55)  781.1543
(56)  893.9818
(57)  1047.922
(58)  1127.229
(59)  1131.302
(60)  1081.057
(61)  976.4305
(62)  924.3822
(63)  904.832
(64)  861.3491
(65)  830.9657
(66)  798.5671
(67)  748.0306
With reference to plot in the  attachment, the temperature  contour  left
and right  of maximum peak is close to 1500 m so i fell that the the
terrain height is reduced by some hundreds.

Regards
Sang.

On Mon, May 23, 2016 at 8:47 PM, xiaoming Hu <yuanfangcan at hotmail.com>
wrote:

> I don't see anything wrong with your plot.
>
> Are you questioning the interpolated terrain height is wrong?
> Since your angle is 90degree, basically west-east cross section.   It is
> very easy to check the terrain height yourself to see if the interpolated
> terrain height by wrf_CrossSection_add_smooth_terrain4.ncl   is reasonable.
>
> Cheers!
> Xiaoming
>
> ------------------------------
> Date: Sun, 22 May 2016 09:38:27 +0545
> From: sangeetamaharjan at gmail.com
> To: ncl-talk at ucar.edu
> Subject: [ncl-talk] Managing terrain height in the script
> wrf_CrossSection_add_smooth_terrain4.ncl
>
> Dear All,
>
> I have used the wrf_CrossSection_add_smooth_terrain4.ncl to study
> distribution of  TKE along the cross section. The problem is  the height
> of terrain seems to lesser than the actual one. For example, the maximum
> terrain height with in the cross section has to be  about 1900 meters but
> it is lesser by 300 meters in the plot generated by the script.
>
>
> Please find the sample of plot showing the reduced terrain height  for
> your kind reference in the attachment.
>
> I would appreciate any insight to manage the terrain heights in the script.
>
> Thanks & Regards.
>
> Sang,
>
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