Hello Kader,
Are you running the current master branch from GitHub? The CAPE/CIN
calculation was just added and is not in an official release of MetPy yet.
The calling syntax would look something like:
import metpy.calc as mpcalc
cape, cin = mpcalc.cape_cin(…….)
As you’ve probably noticed, this is a recent addition (as of this week) to
MetPy. We’re working on some convenience functions to help with surface
based, mixed layer, and most unstable CAPE, as well as doing the virtual
temperature correction for you. This base function assumes nothing, so
don’t forget to apply the relevant corrections to your data.
As far as SRH, there is a PR for it that will hopefully be merged soon (
https://github.com/Unidata/MetPy/pull/462). The team will be at the SciPy
conference in a few weeks hosting a sprint in which we hope to work towards
getting these additional calculations in master.
John Leeman, Ph.D.
Software Engineer
UCAR/Unidata
303-497-8621
On June 30, 2017 at 7:16:47 AM, Abdelkader Merzougui (
abdelkader.merzougui@xxxxxxxx) wrote:
Hello,
I'm trying to calculate cape, cin values with cape_cin function which can
be found in MetPy thermo module,
but I encounter the error: *AttributeError: 'module' object has no
attribute 'cape_cin'*
Also I wanrt to calculate the SRH "Storm Relative Helicity", is there a
formula in MetPy to do that?
Kind Regards
Kader Merzougui
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