Re: Rip_Cape code

All,

Some internal discussions took place on this question, and I'm posting
Cindy Bruyere's final response below since she's not a member of
ncl-talk.

--Mary

>
> On Mon, 9 Jul 2007, Cindy Bruyere wrote:
>
>> Patrick,
>>
>> We had problems with WRF data and this routine. Others has also seen issues.
>> In general I think that the routine is correct, but that there may be issues
>> with either
>> - extreme cases, or
>> - more specifically WRF data.
>>
>> Thinks you should know about the routines.
>> The routine were originally developed for the MM5 model.
>> If you originally used the if3dflag=0 (2d cases), then you should now
>> use rip_cape_2d, as those will be the same output. rip_cape_2d will be the
>> max theta-e routine, and the first set of values will be cape.
>> It would be great if you have some off-line cape calculations that you
>> can use to confirm the results you got from rip_cape_2d
>> Hope this helps
>> Cindy
>>
>> On Jul 9, 2007, at 8:29 AM, Patrick Marsh wrote:
>>
>>> Hi All,
>>> I didn't know if people still wanted to be a part of this discussion so
>>> I've included everyone at this point.
>>> I am using CCSM3 data. I used the max theta-e routine (2d) exclusively for
>>> my thesis research as well as a publication in the review process. I'm
>>> currently in the process of recreating everything I've already done using
>>> the other routine now. (I'm only using the lowest parcel level for the
>>> figures when using the (3d) routine). I'm already seeing places where the
>>> 3d routine is yielding CAPE values of almost double that of the max theta-e
>>> routine. I'd be happy to share these images with anyone as soon as they
>>> are finished being created.
>>> -Patrick
>>> On 7/9/07, Dennis Shea <shea_at_ucar.edu> wrote:
>>> Hi Patrick
>>> Cindy Bruyere [MMM/WRF] may be able to assist you.
>>> Good luck
>>> D
>>> ==================================================
>>> Cindy Bruyere wrote:
>>> > It will be interesting to know what the input data was that he used.
>>> > Cindy
>>> >
>>> > On Jul 6, 2007, at 8:49 PM, Dennis Shea wrote:
>>> >
>>> >> FYI ...
>>> >>
>>> >>
>>> >> ---------- Forwarded message ----------
>>> >> Date: Fri, 6 Jul 2007 17:22:19 -0500
>>> >> From: Patrick Marsh <marsh.patrick_at_gmail.com>
>>> >> To: Dennis Shea <shea_at_ucar.edu>
>>> >> Subject: Re: Rip_Cape code
>>> >>
>>> >> Thank you for your help. The reason I am asking is this routine was
>>> >> used
>>> >> extensively in my Masters Thesis as well as a paper that has been
>>> >> accepted
>>> >> for publication. I have until July 14 to submit any revisions I want
>>> >> to,
>>> >> and I need to know if this is going to be a problem.
>>> >>
>>> >> -Patrick
>>> >>
>>> >>
>>> >>
>>> >>
>>> >> On 7/6/07, Dennis Shea < shea_at_ucar.edu> wrote:
>>> >>>
>>> >>> Patrick Marsh wrote:
>>> >>>> Hi all,
>>> >>>>
>>> >>>> I was on the NCL website today and noticed a disclaimer / warning that
>>> >>>> there may be an underlying problem in the Fortran code. The
>>> >>>> disclaimer is a little vague and I was hoping to get some
>>> >>>> clarification on it. Is this a FORTRAN problem or a problem with the
>>> >>>> original code? Additionally, when perusing an older copy of the code,
>>> >>>> I noticed that there is a flag (i3dflag) that can be used to switch
>>> >>>> between two different methods of computing CAPE / CIN. However, there
>>> >>>> is no way I have found to switch this flag. Does anyone know how to
>>> >>>> switch between the two methods?
>>> >>>>
>>> >>>> -Patrick Marsh
>>> >>>> University of Oklahoma
>>> >>> Hello,
>>> >>>
>>> >>> This is offline.
>>> >>>
>>> >>> I think the people who know the answers are not
>>> >>> available today. I did forward your email to one
>>> >>> person who knows the details.
>>> >>>
>>> >>> The original person who did the testing was in RAL
>>> >>> and is no longer working there.
>>> >>>
>>> >>> Anyway ... it may be Monday before u get a reply.
>>> >>>
>>> >>> D
>>> >>>
>>> >>
>>> --
>>> ======================================================
>>> Dennis J. Shea tel: 303-497-1361 |
>>> P.O. Box 3000 fax: 303-497-1333 |
>>> Climate Analysis Section |
>>> Climate & Global Dynamics Div. |
>>> National Center for Atmospheric Research |
>>> Boulder, CO 80307 |
>>> USA email: shea 'at' ucar.edu |
>>> ======================================================
>>
>>

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Received on Mon Jul 09 2007 - 13:29:11 MDT