[ncl-talk] Regarding the computation of CAPE

[Prashanth Bhalachandran]

This makes sense. Thank you, Barry!

> On Sep 24, 2018, at 9:23 AM, Barry Lynn <barry.h.lynn at gmail.com> wrote:
> 
> Hi:
> 
> I think the parcel temperature is calculated along an adiabatic (dry, then wet). The environmental temperature is just the temperature of the sounding at that level.
> 
> Barry
> 
> On Mon, Sep 24, 2018 at 10:15 PM Prashanth <prashanth.bhalachandran at gmail.com <mailto:prashanth.bhalachandran at gmail.com>> wrote:
> Barry, 
> Thank you for responding. My question was less about using the function and more on understanding what the function does. 
> 
> Kind Regards, 
> Prasanth 
> 
> 
> Doctoral Candidate, 
> Department of Earth, Atmospheric and Planetary Sciences, Purdue University
> Contact : 765-772-8123
> 
> On Sep 24, 2018, at 8:44 AM, Barry Lynn <barry.h.lynn at gmail.com <mailto:barry.h.lynn at gmail.com>> wrote:
> 
>> Hello:
>> 
>> Is there a reason why you are not using a built in function?
>> 
>> https://www.ncl.ucar.edu/Document/Functions/Built-in/wrf_cape_2d.shtml <https://www.ncl.ucar.edu/Document/Functions/Built-in/wrf_cape_2d.shtml>
>> 
>> On Mon, Sep 24, 2018 at 3:26 AM Prashanth Bhalachandran <prashanth.bhalachandran at gmail.com <mailto:prashanth.bhalachandran at gmail.com>> wrote:
>> Kind Regards!
>> 
>> I just have a simple question regarding the computation of CAPE. I understand that while calculating the CAPE, we need to subtract the potential temperature of the parcel and its environment. My question is : how do I get the temperature of the environment and the parcel? Is it simply the domain average between two levels of interest? None of the papers I referred to gives this detail. I tried going through the fortran code but I couldn’t decipher this. Can you please help me understand? 
>> 
>> Thank you, 
>> Prashanth
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>> 
>> -- 
>> Barry H. Lynn, Ph.D
>> Senior Associate Scientist, Lecturer,
>> The Institute of the Earth Science, 
>> The Hebrew University of Jerusalem, 
>> Givat Ram, Jerusalem 91904, Israel 
>> Tel: 972 547 231 170
>> Fax: (972)-25662581
>> 
>> C.E.O, Weather It Is, LTD
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> 
> 
> -- 
> Barry H. Lynn, Ph.D
> Senior Associate Scientist, Lecturer,
> The Institute of the Earth Science, 
> The Hebrew University of Jerusalem, 
> Givat Ram, Jerusalem 91904, Israel 
> Tel: 972 547 231 170
> Fax: (972)-25662581
> 
> C.E.O, Weather It Is, LTD
> Weather and Climate Focus
> http://weather-it-is.com <http://weather-it-is.com/>
> Jerusalem, Israel
> Local: 02 930 9525
> Cell: 054 7 231 170
> Int-IS: x972 2 930 9525
> 

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