Plotting topography in a cross section

[Paco Pastor]

        Temp levels are terrain following surfaces in m. But I can get output
in pressure levels and then try that conversion

En/na Davide Sacchetti ha escrit:
> which kind of levels do TEMP belongs to? supposing they are pressure
> levels you should convert topography from meters to pressure ... I
> attacch an older mail on this subject:
>
> if your plot has pressure as Y coord, I normally plot the surface
> pressure [eg: sp=MSLP*exp(-9.81*oro/(287*(t2-0.0065/2*oro)))]
> display your cross section var and after display the orography height
> ['d sp-100*lev' ]
>
> hoping it helps ...
> bye bye
> Davide
>
> On Fri, 2006-07-07 at 12:05 +0200, Paco Pastor wrote:
>> Hi Grads users
>>
>> I'm facing a problem in plotting a cross section. I'd like to plot
>> temperature in a vertical cross section and then overlay topography.
>> Topography is one of the output variables of our meteorological model
>> (no problem when plotting a x-y map). But when I try topo does not
>> appear, these are the commands I'm using
>>
>> ga-> q file
>> File 1 : RAMS Output
>>    Descriptor: a-AS-2006-07-06-000000-g1.ctl
>>    Binary: ./a-AS-2006-07-06-000000-g1.gra
>>    Type = Gridded
>>    Xsize = 109  Ysize = 57  Zsize = 23  Tsize = 24
>>    Number of Variables = 6
>>      tempc 23 99 - RAMS : temperature [C]
>>      topo 1 99 - RAMS : topo [m]
>>      rain 23 99 - RAMS : rain mix ratio [g/kg]
>>      tke 23 99 - RAMS : turb kinetic energy [m2/s2]
>>      u 23 99 - RAMS : grid relative u [m/s]
>>      v 23 99 - RAMS : grid relative v [m/s]
>> ga-> c
>> ga-> set lat 37 42
>> LAT set to 37 42
>> ga-> set lon 0
>> LON set to 0.0470475 0.0470475
>> ga-> set z 1 22
>> LEV set to 57.267 14249.7
>> ga-> set gxout shaded tempc
>> ga-> d tempc
>> Contouring: -50 to 20 interval 10
>> ga-> set cint 50
>> cint = 50
>> ga-> d topo
>> Contouring: -0 to 1000 interval 50
>>
>> But if I just try to plot topo (without setting z coordinate) the cross
>> section appears fine.
>>
>> Thanks in advance
>>
>> --
>> ___________________________________________________________________________________________________
>> Francisco Pastor
>> Meteorology department
>> Fundación CEAM
>> paco at ceam.es
>> http://www.ceam.es/ceamet
>> http://www.ceam.es/
>> Paterna, Valencia, Spain
>> ___________________________________________________________________________________________________
>> Usuario Linux registrado: 363952
>> PGP Public Key: ADC634EC
>>
> --
> Sacchetti Davide
> ARPAL UO3 Centro Meteo Idrologico Regione Liguria - Dir. Scientifica
> V.le Brigare Partigiane 2 16121 Genova (I)
> tel: +39 010 6437535
> mail: davide.sacchetti at arpal.org   web: www.meteoliguria.it
>
>

--
___________________________________________________________________________________________________
Francisco Pastor
Meteorology department
Fundación CEAM
paco at ceam.es
http://www.ceam.es/ceamet
http://www.ceam.es/
Paterna, Valencia, Spain
___________________________________________________________________________________________________
Usuario Linux registrado: 363952
PGP Public Key: ADC634EC

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