[ncl-talk] speidx

[Dennis Shea]

[1]
To be clear, the 'speidx' error was in the original C-code .. not in NCL's
implementation of the code. As noted, subsequently the original author
created a new function written entirely in R. The is no C or fortran
version of the updated code. Hence, no NCL function.  :-(

[2]
Yes. We are tentatively planning to create a self-calibrating PDSI in a
future release. It will be a very useful function.

On Thu, Dec 8, 2016 at 9:29 AM, Jared Lee <jaredlee at ucar.edu> wrote:

> Hi Seshagirirao,
>
> The NCL function 'speidx' was originally pegged for release with NCL
> v6.4.0, but to my knowledge it has been pulled from that release. There are
> known bugs with that function, but the developer of the underlying C code
> for that function has stopped supporting it, and moved on to the R package
> 'SPEI':
>
> https://cran.r-project.org/web/packages/SPEI/index.html
>
> For a project this summer I had also tried to use the beta version of
> NCL's speidx, but had to abandon it for the R version because of the bugs.
>
> I am not sure if an implementation of PDSI is in the works for NCL or not.
> I'll leave it to the NCL development team to respond to that part.
>
> Jared
>
>
>
> On Thu, Dec 8, 2016 at 2:06 AM, Seshagirirao Kolusu <seshukolusu at gmail.com
> > wrote:
>
>> Dear All,
>> I would like to use SPEIDX function . I have been using 6.3.0 (latest)
>> version but this function only available at 6.3.1. I wonder whether the
>> 6.3.1 beta  version is ready to use for users. Any time line for next ncl
>> version release would be grateful to know ?
>>
>> I am also looking for palmer-drought-severity-index (PDSI) function in
>> ncl. I did check the function list but this is not available yet.
>>
>> https://climatedataguide.ucar.edu/climate-data/palmer-drough
>> t-severity-index-pdsi
>>
>> If anyone had these functions in  NCL please share me.
>>
>> Regards,
>> --
>> ****************************************************
>> Dr.rer.nat. K.Seshagirirao
>> PDRA
>> Institute for Climate and Atmospheric Science (ICAS)
>> <http://www.see.leeds.ac.uk/research/icas/>,
>> School of Earth and Environment (SEE) <http://www.see.leeds.ac.uk/>,
>> University of Leeds <http://www.leeds.ac.uk/>,
>> Leeds,
>> LS2 9JT;UK
>> http://www.see.leeds.ac.uk/people/s.kolusu
>> ****************************************************
>>
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>
>
> --
> ===============================
> Jared A. Lee, Ph.D.
> Project Scientist I
> Research Applications Laboratory
> National Center for Atmospheric Research
> Boulder, Colorado, USA
>
> Email: jaredlee at ucar.edu (w)
> Phone: 303.497.8485 (w)
> Web: https://staff.ucar.edu/users/jaredlee
> ===============================
>
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