[Wrf-users] Re: Wrf-users Digest, Vol 35, Issue 18
pmlonganile
pmlonganile at meteo.go.tz
Sat Jul 21 02:28:47 MDT 2007
Hi Hazari Syed!
May I appologize for the previous message. The message is correct if the core
in use is ARW (EM) but for NMM the time step in the namelist.input should be
2.25*(grid spacing in Km) or domain resolution in Km and/or about 330*(angular
grid spacing).
I think this will solve your problem.
Goodlucy
Peter Nicly Mlonganile,
Tanzania Meteorological Agency,
Modelling Unity,
Box 3056,
Dar es Salaam.
Mobile: +255 754 452 444
On Sat, 21 Jul 2007 01:25:02 -0600 (MDT), wrf-users-request wrote
> Send Wrf-users mailing list submissions to
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>
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> or, via email, send a message with subject or body 'help' to
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>
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> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Wrf-users digest..."
>
> Today's Topics:
>
> 1. Re: Wrf-users Digest, Vol 35, Issue 16 (pmlonganile)
> 2. Error to run wrf.exe (ashish no routray)
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 21 Jul 2007 01:25:00 -0400
> From: "pmlonganile" <pmlonganile at meteo.go.tz>
> Subject: [Wrf-users] Re: Wrf-users Digest, Vol 35, Issue 16
> To: wrf-users at ucar.edu
> Message-ID: <20070721051658.M81230 at meteo.go.tz>
> Content-Type: text/plain; charset=iso-8859-1
>
> Hi Hazari Syed!
> I hope the problem you are getting has something to do with the
> "time step" in the namelist.input. Make sure that it is 6*the domain
> resolution in Km (6 times the domain resolution in Km). My little
> experience show that even 3*the domain resolution sometimes can
> solve your problem.
>
> Goodlucy
>
> Peter Nicly Mlonganile,
> Tanzania Meteorological Agency,
> Modelling Unity,
> Box 3056,
> Dar es Salaam.
> Mobile: +255 754 452 444
>
> On Fri, 20 Jul 2007 07:19:37 -0600 (MDT), wrf-users-request wrote
> > Send Wrf-users mailing list submissions to
> > wrf-users at ucar.edu
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> > or, via email, send a message with subject or body 'help' to
> > wrf-users-request at ucar.edu
> >
> > You can reach the person managing the list at
> > wrf-users-owner at ucar.edu
> >
> > When replying, please edit your Subject line so it is more specific
> > than "Re: Contents of Wrf-users digest..."
> >
> > Today's Topics:
> >
> > 1. Re: Wrf-users Digest, Vol 35, Issue 15 (Bernardo de los Santos)
> > 2. wrf.exe errors
> > (Syed, Hazari I. (LARC-D318)[RAYTHEON TECHNICAL SERVICES CO])
> > 3. Bug fixes for ARWpost (Kemp, Eric M.)
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Thu, 19 Jul 2007 20:54:37 -0200
> > From: "Bernardo de los Santos" <bernardo at fisica.edu.uy>
> > Subject: [Wrf-users] Re: Wrf-users Digest, Vol 35, Issue 15
> > To: wrf-users at ucar.edu
> > Message-ID: <20070719225328.M94119 at fisica.edu.uy>
> > Content-Type: text/plain; charset=iso-8859-1
> >
> > Dear Elif:
> >
> > http://data.ecmwf.int/data/
> >
> > --
> > Bernardo de los Santos
> >
> > ---------- Original Message -----------
> > From: wrf-users-request at ucar.edu
> > To: wrf-users at ucar.edu
> > Sent: Thu, 19 Jul 2007 12:00:03 -0600 (MDT)
> > Subject: Wrf-users Digest, Vol 35, Issue 15
> >
> > > Send Wrf-users mailing list submissions to
> > > wrf-users at ucar.edu
> > >
> > > To subscribe or unsubscribe via the World Wide Web, visit
> > > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> > > or, via email, send a message with subject or body 'help' to
> > > wrf-users-request at ucar.edu
> > >
> > > You can reach the person managing the list at
> > > wrf-users-owner at ucar.edu
> > >
> > > When replying, please edit your Subject line so it is more specific
> > > than "Re: Contents of Wrf-users digest..."
> > >
> > > Today's Topics:
> > >
> > > 1. ECMWF (Elif SERTEL)
> > >
> > > ----------------------------------------------------------------------
> > >
> > > Message: 1
> > > Date: Thu, 19 Jul 2007 09:20:10 -0400 (EDT)
> > > From: "Elif SERTEL" <esertel at envsci.rutgers.edu>
> > > Subject: [Wrf-users] ECMWF
> > > To: wrf-users at ucar.edu
> > > Message-ID:
> > > <2233.172.23.42.253.1184851210.squirrel at webmail.envsci.rutgers.edu>
> > > Content-Type: text/plain;charset=iso-8859-1
> > >
> > > Dear WRF Users,
> > >
> > > I want to use ECMWF data for my initial and boundary conditions. I would
> > > like to ask if anyone suggests me an alternative web site to
> > > download this data.
> > >
> > > Thanks,
> > > Elif.
> > >
> > > --
> > > Visiting Fulbright Researcher
> > > Rutgers University
> > > Department of Environmental Sciences
> > > http://www.envsci.rutgers.edu/~esertel/
> > >
> > > Res. and Teach. Assist. Elif SERTEL
> > > Istanbul Technical University
> > > Civil Engineering Faculty,
> > > Remote Sensing Division
> > > http://www.ins.itu.edu.tr/esertel/
> > >
> > > ------------------------------
> > >
> > > _______________________________________________
> > > Wrf-users mailing list
> > > Wrf-users at ucar.edu
> > > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> > >
> > > End of Wrf-users Digest, Vol 35, Issue 15
> > > *****************************************
> > >
> > > !DSPAM:469fa6c2244332011861251!
> > ------- End of Original Message -------
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Thu, 19 Jul 2007 14:09:34 -0500
> > From: "Syed, Hazari I. (LARC-D318)[RAYTHEON TECHNICAL SERVICES CO]"
> > <Hazari.I.Syed at nasa.gov>
> > Subject: [Wrf-users] wrf.exe errors
> > To: <wrf-users at ucar.edu>
> > Message-ID:
> > <3F1702251119794B998F6BE17423089480388A at NDMSEVS26.ndc.nasa.gov>
> > Content-Type: text/plain; charset="us-ascii"
> >
> > I am getting this error when I run wrf.exe on our linux cluster. Can
> > someone tell me what I am doing wrong? Are my namelist.input parameters
> > incorrect?
> >
> > Your input in resolving this is appreciate. Thanks
> >
> > Hazari Syed
> >
> > d01 2005-11-05_16:33:00 152 points exceeded cfl=2 in domain
> > d01 at time 2005-11-05_16:33:00 hours
> >
> > d01 2005-11-05_16:33:00 MAX AT i,j,k: 9 104
> > 19 cfl,w,d(eta)= 3.274115 -2.546333 3.2552510E-02
> >
> > d01 2005-11-05_16:33:00 139 points exceeded cfl=2 in domain
> > d01 at time 2005-11-05_16:33:00 hours
> >
> > d01 2005-11-05_16:33:00 MAX AT i,j,k: 9 104
> > 19 cfl,w,d(eta)= 3.280104 -2.182799 3.2552510E-02
> >
> > Timing for main: time 2005-11-05_16:36:00 on domain 1: 3.73900
> > elapsed seconds.
> >
> > d01 2005-11-05_16:36:00 277 points exceeded cfl=2 in domain
> > d01 at time 2005-11-05_16:36:00 hours
> >
> > d01 2005-11-05_16:36:00 MAX AT i,j,k: 9 85
> > 15 cfl,w,d(eta)= 5.735764 -25.80292 4.9470633E-02
> >
> > d01 2005-11-05_16:36:00 343 points exceeded cfl=2 in domain
> > d01 at time 2005-11-05_16:36:00 hours
> >
> > d01 2005-11-05_16:36:00 MAX AT i,j,k: 9 85
> > 14 cfl,w,d(eta)= 6.990264 -40.40704 5.4641724E-02
> >
> > d01 2005-11-05_16:36:00 285 points exceeded cfl=2 in domain
> > d01 at time 2005-11-05_16:36:00 hours
> >
> > d01 2005-11-05_16:36:00 MAX AT i,j,k: 8 84
> > 16 cfl,w,d(eta)= 4.951917 -2.981738 4.4701487E-02
> >
> > Timing for main: time 2005-11-05_16:39:00 on domain 1: 3.48500
> > elapsed seconds.
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 8
> > 78 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 9
> > 78 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 7
> > 79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 8
> > 79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 9
> > 79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 10
> > 79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 6
> > 80 NaN 5000.000
> >
> > .....
> >
> > .....
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 6
> > 87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 7
> > 87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 8
> > 87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 9
> > 87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 10
> > 87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 11
> > 87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 12
> > 87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 13
> > 87 NaN 5000.000
> >
> > p0_3065: p4_error: interrupt SIGSEGV: 11
> >
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: http://newmailman.ucar.edu/pipermail/wrf-
> > users/attachments/20070719/ddfb89ce/attachment-0001.html
> >
> > ------------------------------
> >
> > Message: 3
> > Date: Fri, 20 Jul 2007 09:19:27 -0400
> > From: "Kemp, Eric M." <Eric.Kemp at ngc.com>
> > Subject: [Wrf-users] Bug fixes for ARWpost
> > To: <wrf-users at ucar.edu>
> > Message-ID: <52B67E1F32707847B44B4B7B1238E363020D5549 at xmbv3801>
> > Content-Type: text/plain; charset="iso-8859-1"
> >
> > Dear wrf-users:
> >
> > I have started using the new ARWpost program version 1.0, released
> > on June 19. In running ARWpost with the Intel compiler (ifort
> > 9.1.043) on a Xeon cluster, I have found three bugs that cause the
> > program to crash. (Curiously no problems are indicated when using
> > pgf90 on an Opteron cluster).
> >
> > 1. In input_module.F90, subroutine read_next_field, near line 97:
> >
> > Replace:
> >
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> > IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> >
> > with:
> >
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> > ! IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> > nullify(real_domain) ! Bug fix
> >
> > The bug is that real_array and real_domain point to the same target
> > after read_next_field is called once. The first deallocate call
> > will destroy the target for both pointers. Attempting to deallocate
> > an unallocated target is illegal in Fortran 90.
> >
> > 2. In input_module.F90, subroutine read_spec_field, near line 156:
> >
> > Replace:
> >
> > IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> >
> > with:
> >
> > ! IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> > nullify(real_domain) ! Bug fix
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> >
> > This is the same type of bug at #1.
> >
> > 3. In process_domain_module.F90, subroutine get_fields, near line 615.
> >
> > Replace:
> >
> > IF (cname(len_trim(cname)-1:len_trim(cname)) == "_U" )
> > CYCLE process_all_fields IF (cname(len_trim(cname)
> > -1:len_trim(cname)) == "_V" ) CYCLE process_all_fields
> >
> > with:
> >
> > ! Bug fix
> > if (len_trim(cname) >= 2) then
> > IF (cname(len_trim(cname)-1:len_trim(cname)) == "_U" )
> > CYCLE process_all_fields IF (cname(len_trim(cname)
> > -1:len_trim(cname)) == "_V" ) CYCLE process_all_fields end
> > if ! End bug fix
> >
> > The bug is that several variables in the wrfout files have one
> > character names (e.g., "U", "V", "W"). For those variables,
> > len_trim(cname) returns 1, and the if statements try to evaluate
> > cname(0:1), which is out of bounds.
> >
> > Eric Kemp
> > Northrop Grumman Corporation/TASC
> > -------------- next part --------------
> > An HTML attachment was scrubbed...
> > URL: http://newmailman.ucar.edu/pipermail/wrf-
> users/attachments/20070720/336f1913/attachment.html
> >
> > ------------------------------
> >
> > _______________________________________________
> > Wrf-users mailing list
> > Wrf-users at ucar.edu
> > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> >
> > End of Wrf-users Digest, Vol 35, Issue 16
> > *****************************************
>
> ------------------------------
>
> Message: 2
> Date: 21 Jul 2007 07:16:58 -0000
> From: "ashish no routray" <ashishroutray at rediffmail.com>
> Subject: [Wrf-users] Error to run wrf.exe
> To: wrf-users at ucar.edu
> Message-ID: <20070721071658.32225.qmail at webmail36.rediffmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Dear Syad
> your problem looks like the CFL criteria.
> Please adjust your time step. Give less time step, hope it will work
> fine. All the best. Ashish
>
> On Fri, 20 Jul 2007 wrf-users-request at ucar.edu wrote :
> >Send Wrf-users mailing list submissions to
> > wrf-users at ucar.edu
> >
> >To subscribe or unsubscribe via the World Wide Web, visit
> > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> >or, via email, send a message with subject or body 'help' to
> > wrf-users-request at ucar.edu
> >
> >You can reach the person managing the list at
> > wrf-users-owner at ucar.edu
> >
> >When replying, please edit your Subject line so it is more specific
> >than "Re: Contents of Wrf-users digest..."
> >
> >
> >Today's Topics:
> >
> > 1. Re: Wrf-users Digest, Vol 35, Issue 15 (Bernardo de los Santos)
> > 2. wrf.exe errors
> > (Syed, Hazari I. (LARC-D318)[RAYTHEON TECHNICAL SERVICES CO])
> > 3. Bug fixes for ARWpost (Kemp, Eric M.)
> >
> >
> >----------------------------------------------------------------------
> >
> >Message: 1
> >Date: Thu, 19 Jul 2007 20:54:37 -0200
> > From: "Bernardo de los Santos" <bernardo at fisica.edu.uy>
> >Subject: [Wrf-users] Re: Wrf-users Digest, Vol 35, Issue 15
> >To: wrf-users at ucar.edu
> >Message-ID: <20070719225328.M94119 at fisica.edu.uy>
> >Content-Type: text/plain; charset=iso-8859-1
> >
> >Dear Elif:
> >
> >http://data.ecmwf.int/data/
> >
> >--
> >Bernardo de los Santos
> >
> >---------- Original Message -----------
> > From: wrf-users-request at ucar.edu
> >To: wrf-users at ucar.edu
> >Sent: Thu, 19 Jul 2007 12:00:03 -0600 (MDT)
> >Subject: Wrf-users Digest, Vol 35, Issue 15
> >
> > > Send Wrf-users mailing list submissions to
> > > wrf-users at ucar.edu
> > >
> > > To subscribe or unsubscribe via the World Wide Web, visit
> > > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> > > or, via email, send a message with subject or body 'help' to
> > > wrf-users-request at ucar.edu
> > >
> > > You can reach the person managing the list at
> > > wrf-users-owner at ucar.edu
> > >
> > > When replying, please edit your Subject line so it is more specific
> > > than "Re: Contents of Wrf-users digest..."
> > >
> > > Today's Topics:
> > >
> > > 1. ECMWF (Elif SERTEL)
> > >
> > > ----------------------------------------------------------------------
> > >
> > > Message: 1
> > > Date: Thu, 19 Jul 2007 09:20:10 -0400 (EDT)
> > > From: "Elif SERTEL" <esertel at envsci.rutgers.edu>
> > > Subject: [Wrf-users] ECMWF
> > > To: wrf-users at ucar.edu
> > > Message-ID:
> > > <2233.172.23.42.253.1184851210.squirrel at webmail.envsci.rutgers.edu>
> > > Content-Type: text/plain;charset=iso-8859-1
> > >
> > > Dear WRF Users,
> > >
> > > I want to use ECMWF data for my initial and boundary conditions. I would
> > > like to ask if anyone suggests me an alternative web site to
> > > download this data.
> > >
> > > Thanks,
> > > Elif.
> > >
> > > --
> > > Visiting Fulbright Researcher
> > > Rutgers University
> > > Department of Environmental Sciences
> > > http://www.envsci.rutgers.edu/~esertel/
> > >
> > > Res. and Teach. Assist. Elif SERTEL
> > > Istanbul Technical University
> > > Civil Engineering Faculty,
> > > Remote Sensing Division
> > > http://www.ins.itu.edu.tr/esertel/
> > >
> > > ------------------------------
> > >
> > > _______________________________________________
> > > Wrf-users mailing list
> > > Wrf-users at ucar.edu
> > > http://mailman.ucar.edu/mailman/listinfo/wrf-users
> > >
> > > End of Wrf-users Digest, Vol 35, Issue 15
> > > *****************************************
> > >
> > > !DSPAM:469fa6c2244332011861251!
> >------- End of Original Message -------
> >
> >
> >
> >------------------------------
> >
> >Message: 2
> >Date: Thu, 19 Jul 2007 14:09:34 -0500
> > From: "Syed, Hazari I. (LARC-D318)[RAYTHEON TECHNICAL SERVICES CO]"
> > <Hazari.I.Syed at nasa.gov>
> >Subject: [Wrf-users] wrf.exe errors
> >To: <wrf-users at ucar.edu>
> >Message-ID:
> > <3F1702251119794B998F6BE17423089480388A at NDMSEVS26.ndc.nasa.gov>
> >Content-Type: text/plain; charset="us-ascii"
> >
> >I am getting this error when I run wrf.exe on our linux cluster. Can
> >someone tell me what I am doing wrong? Are my namelist.input parameters
> >incorrect?
> >
> >
> >
> >Your input in resolving this is appreciate. Thanks
> >
> >
> >
> >Hazari Syed
> >
> >
> >
> > d01 2005-11-05_16:33:00 152 points exceeded cfl=2 in domain
> >d01 at time 2005-11-05_16:33:00 hours
> >
> > d01 2005-11-05_16:33:00 MAX AT i,j,k: 9 104
> >19 cfl,w,d(eta)= 3.274115 -2.546333 3.2552510E-02
> >
> > d01 2005-11-05_16:33:00 139 points exceeded cfl=2 in domain
> >d01 at time 2005-11-05_16:33:00 hours
> >
> > d01 2005-11-05_16:33:00 MAX AT i,j,k: 9 104
> >19 cfl,w,d(eta)= 3.280104 -2.182799 3.2552510E-02
> >
> >Timing for main: time 2005-11-05_16:36:00 on domain 1: 3.73900
> >elapsed seconds.
> >
> > d01 2005-11-05_16:36:00 277 points exceeded cfl=2 in domain
> >d01 at time 2005-11-05_16:36:00 hours
> >
> > d01 2005-11-05_16:36:00 MAX AT i,j,k: 9 85
> >15 cfl,w,d(eta)= 5.735764 -25.80292 4.9470633E-02
> >
> > d01 2005-11-05_16:36:00 343 points exceeded cfl=2 in domain
> >d01 at time 2005-11-05_16:36:00 hours
> >
> > d01 2005-11-05_16:36:00 MAX AT i,j,k: 9 85
> >14 cfl,w,d(eta)= 6.990264 -40.40704 5.4641724E-02
> >
> > d01 2005-11-05_16:36:00 285 points exceeded cfl=2 in domain
> >d01 at time 2005-11-05_16:36:00 hours
> >
> > d01 2005-11-05_16:36:00 MAX AT i,j,k: 8 84
> >16 cfl,w,d(eta)= 4.951917 -2.981738 4.4701487E-02
> >
> >Timing for main: time 2005-11-05_16:39:00 on domain 1: 3.48500
> >elapsed seconds.
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 8
> >78 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 9
> >78 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 7
> >79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 8
> >79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 9
> >79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 10
> >79 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 6
> >80 NaN 5000.000
> >
> >.....
> >
> >.....
> >
> >
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 6
> >87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 7
> >87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 8
> >87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 9
> >87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 10
> >87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 11
> >87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 12
> >87 NaN 5000.000
> >
> > WOULD GO OFF TOP: KF_ETA_PARA I,J,DPTHMX,DPMIN 13
> >87 NaN 5000.000
> >
> >p0_3065: p4_error: interrupt SIGSEGV: 11
> >
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> >------------------------------
> >
> >Message: 3
> >Date: Fri, 20 Jul 2007 09:19:27 -0400
> > From: "Kemp, Eric M." <Eric.Kemp at ngc.com>
> >Subject: [Wrf-users] Bug fixes for ARWpost
> >To: <wrf-users at ucar.edu>
> >Message-ID: <52B67E1F32707847B44B4B7B1238E363020D5549 at xmbv3801>
> >Content-Type: text/plain; charset="iso-8859-1"
> >
> >
> >Dear wrf-users:
> >
> >I have started using the new ARWpost program version 1.0, released on June
19. In running ARWpost with the Intel compiler (ifort 9.1.043) on a Xeon
cluster, I have found three bugs that cause the program to crash. (Curiously
no problems are indicated when using pgf90 on an Opteron cluster).
> >
> >1. In input_module.F90, subroutine read_next_field, near line 97:
> >
> >Replace:
> >
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> > IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> >
> >with:
> >
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> >! IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> > nullify(real_domain) ! Bug fix
> >
> >The bug is that real_array and real_domain point to the same target after
read_next_field is called once. The first deallocate call will destroy the
target for both pointers. Attempting to deallocate an unallocated target is
illegal in Fortran 90.
> >
> >2. In input_module.F90, subroutine read_spec_field, near line 156:
> >
> >Replace:
> >
> > IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> >
> >with:
> >
> >! IF ( ASSOCIATED(real_domain) ) DEALLOCATE(real_domain)
> > nullify(real_domain) ! Bug fix
> > IF ( ASSOCIATED(real_array) ) DEALLOCATE(real_array)
> >
> >This is the same type of bug at #1.
> >
> >3. In process_domain_module.F90, subroutine get_fields, near line 615.
> >
> >Replace:
> >
> > IF (cname(len_trim(cname)-1:len_trim(cname)) == "_U" ) CYCLE
process_all_fields
> > IF (cname(len_trim(cname)-1:len_trim(cname)) == "_V" ) CYCLE
process_all_fields
> >
> >with:
> >
> > ! Bug fix
> > if (len_trim(cname) >= 2) then
> > IF (cname(len_trim(cname)-1:len_trim(cname)) == "_U" ) CYCLE
process_all_fields
> > IF (cname(len_trim(cname)-1:len_trim(cname)) == "_V" ) CYCLE
process_all_fields
> > end if
> > ! End bug fix
> >
> >The bug is that several variables in the wrfout files have one character
names (e.g., "U", "V", "W"). For those variables, len_trim(cname) returns 1,
and the if statements try to evaluate cname(0:1), which is out of bounds.
> >
> >Eric Kemp
> >Northrop Grumman Corporation/TASC
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> >
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> >Wrf-users at ucar.edu
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> >
> >
> >End of Wrf-users Digest, Vol 35, Issue 16
> >*****************************************
>
> ASHISH ROUTRAY
> Project Scientist & Research Scholar
> Centre for Atmospheric Sciences
> Indian Institute of Technology Delhi
> Hauz Khas
> New Delhi-110016
> India
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