Re: Skew-T CAPE overestimation

Assorted CAPE codes are at

http://www.cgd.ucar.edu/~shea/

  capeThermo.f
  cape_adai.f
  cape_main_ke.f
  cape_ncl.f
  cape_schlatter.f
  cape_sound.pro
  cape_ssmi_lap.f
  cape_sub_ke.f
  cape_tom.f.gz
===
The one used by the skewT is cape_ncl.f

+++++++++++++++++++++++++++++++++++++++++++++

A lot depends on where the parcel ascent is started.
Some time ago, the above codes were tested and the calculated CAPEs
differed ... sometimes substantially!

Please look at the cape_ncl.f code to see where any issues might occur.

Good luck

On 11/22/13 12:16 PM, Gökhan Sever wrote:
> Hello,
>
> I am trying to plot the sounding provided in "em_squall2d_x" test case of
> WRF. This is the idealized sounding used in Weisman and Klemp (1982).
> Attached shows this sounding a skew-T plotted NCL's function (modified
> skewt_2.ncl of http://www.ncl.ucar.edu/Applications/skewt.shtml).
>
> To plot, I first ran an idealized simulation in WRF and passed the data
> into the script to get a profile at 0 model initialization time and at the
> first x,y grid points. Temperature and dew point profile looks fine,
> however CAPE seems to be overestimated by a factor of 2. What would be
> causing this? Any suggestions? I could provide the data and script that are
> used to create this plot. Thanks.
>
>
>
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Received on Wed Nov 27 16:47:36 2013