[RegCNET] Important, found bug in CLM4.5 coupling

[Syed Ahsan Ali]

Thank you for the information.
What is the flag for activating  Kain-Fritsch convection scheme.

On Tue, Nov 18, 2014 at 8:13 PM, giorgi <giorgi at ictp.it> wrote:
> Dear RegCNETers
>
> I wanted to alert you that we found a bug in the coupling of CLM4.5 to
> RegCM4, by which the SAI and LAI were being erroneously passed to the model.
> This bug was especially important over forested areas, where it was reducing
> evaporation to excessively low values (and thus excessively high
> temperatures). Apparently, this bug was present since the first release
> after the May 2014 workshop, so probably you do have it if you acquired the
> code after then. We thus urge you to download the latest release of the
> model (with bug fixed of course) at:
>
> https://gforge.ictp.it/gf/download/frsrelease/214/1372/RegCM-4.4.2.tar.gz
>
> This also also includes a couple of other minor bug fixes (of no particular
> relevance). Note that this bug affected the model only if it used CLM4.5;
> the use of BATS and CLM3.5 was fine. We also updated the input files for
> CLM4.5 (several options are available in the CLM web site and we now use
> those used in the NCAR ESM), so please get the input files from:
>
> http://clima-dods.ictp.it/regcm4/CLM45.
>
> Also, be aware that now we have an option to use the Kain-Fritsch convection
> scheme, so we encourage you to test it and let us know how it works.
> Finally, we are working on implementing the non-hydrostatic dycore of the
> MM5, and will keep you posted on that.
>
> Again, let me remind you that you should always test and validate the model
> extensively before any production run, and please let us know if you see
> anything suspicious in the model behavior. As with any large model of about
> 800000 lines of code, we know that bugs are there, we just do not know
> exactly where and when they will manifest themselves !!!
>
> For any technical question, you can as usual contact our code keeper
> Graziano Giuliani at ggiulian at ictp.it.
>
> With our best regards,   Filippo Giorgi and the RegCM team.
>
> ################################################################
> # Filippo Giorgi, Head                                         #
> # Earth System Physics Section                                 #
> # The Abdus Salam International Centre for Theoretical Physics #
> # P.O. BOX 586, (Strada Costiera 11 for courier mail)          #
> # 34100 Trieste, ITALY                                         #
> # Phone: + 39 040 2240 425                                     #
> # Fax: + 39 040 2240 449                                      #
> # email: giorgi at ictp.it                                        #
> ################################################################
> _______________________________________________
> RegCNET mailing list
> RegCNET at lists.ictp.it
> https://lists.ictp.it/mailman/listinfo.cgi/regcnet



-- 
Syed Ahsan Ali Bokhari
Electronic Engineer (EE)

Research & Development Division
Pakistan Meteorological Department H-8/4, Islamabad.
Phone # off  +92518358714
Cell # +923155145014