[RegCNET] Model Crashes even at lowest dt

[Syed Ahsan Ali]

Dear Mohamed
Thank you for your reply. The resolution is 25km. I am running simulation
again with reduced value of dtsrf. Let see what happens.
Thank you!
Best Regards


On Thu, Dec 26, 2013 at 12:20 PM, Mohamad Ibrahim OMAR <
egy_mohamad at yahoo.com> wrote:

> Dear Syed,
> First we need to know what is your resolution because this error came from
> the CFL creteria.
> anyway if you use high resolution like 20 or 25 Km you should decrease the
> dt and also dtsrf. as the following;
>
>   &timeparam
>  dt     =   30.,   ! time step in seconds
>  dtrad  =    30.,   ! time interval solar radiation calculated (minutes)
>  dtabem =    18.,   ! time interval absorption-emission calculated (hours)
>  dtsrf  =   120.,   ! time interval at which land model is called (seconds)
>
> note that dtsrf = 3 dt
> hope this helpfull.
> Regards
>
> Mohamed Ibrahim El-Sayed OMAR
> Egyptian Meteorological Authority
> Scientific Research Department
> Climate Studies Centre
> Kobry El-Quobba, P.O.Box. 11784
> Cairo, EGYPT
> Mobil phone  : 002 01060802805
> Home Phone : 002 0482370261
>
>
>   On Thursday, December 26, 2013 8:21 AM, Syed Ahsan Ali <
> ahsanshah01 at gmail.com> wrote:
>  I am running a simulation with RegCM-4.3.5.6 version and using CMIP5 GCM
> HadGEM2-ES historical data. The model run stops at a point after running 24
> years and I get the following error. I have tried reducing the dt to lowest
> values (starting from 40 upto 5) but still the problem is same.
> Please advise!
>  Ahsan
>
> *Calculate solar declination angle at   1994041600*
> * JDay       105.00 solar declination angle =  10.35514687 degrees*
> *                   solar TSI irradiance    =    1367.0000 W/m^2*
> * SEARCH BC data for   1994041606*
> * READY  BC from       1994041600  to   1994041606*
> * mod_tendency.F90 :     1434:            1*
> * MAXVAL ATEN U :  0.23073690760361867    *
> * II :         111 , JJ :          26 , KK :           3*
> * MAXVAL ATEN QV :   4.6023637038836721E+023*
> * MAXVAL ATEN U :  0.21479913170870082    *
> * II :         170 , JJ :         171 , KK :          13*
> * MAXVAL ATEN QV :   1.0977250150088500E+058*
> * MAXVAL ATEN T :   1.5864251565803420E+056*
> * MAXVAL ATEN U :   4.1836639784397066E+110*
> * MAXVAL ATEN V :   7.3548874512758020E+111*
> * MAXVAL ATEN QV :   4.4003993185280386E+052*
> * MAXVAL ATEN QC :   7.7744572396704626E+052*
> * MAXVAL ATEN U :  0.71302511089845821    *
> * II :         169 , JJ :         163 , KK :          23*
> * MAXVAL ATEN V :  0.25478128763041386    *
> * II :         169 , JJ :         148 , KK :          12*
> * MAXVAL ATEN T :  0.85502878291439455    *
> * MAXVAL ATEN T :  0.70550992717408301    *
> * II :         159 , JJ :         201 , KK :          23*
> * MAXVAL ATEN V :  0.27443318054567201    *
> * II :         105 , JJ :         199 , KK :           7*
> * MAXVAL ATEN T :  0.74070002849556327    *
> * II :         139 , JJ :         203 , KK :          23*
> * MAXVAL ATEN U :  0.66880242640804233    *
> * II :         137 , JJ :         199 , KK :          23*
> * MAXVAL ATEN V :  0.23854246733191675    *
> * II :         127 , JJ :         197 , KK :           9*
> * MAXVAL ATEN U :  0.71785515648095088    *
> * II :         164 , JJ :         206 , KK :          23*
> * MAXVAL ATEN V :  0.26687884044440968    *
> * II :         167 , JJ :         206 , KK :           8*
> * II :         116 , JJ :         200 , KK :          23*
> * MAXVAL ATEN U :  0.28197099267345371    *
> * II :         119 , JJ :         202 , KK :           8*
> * MAXVAL ATEN V :  0.31751600673955133    *
> * II :         113 , JJ :         202 , KK :           8*
>
> *--------------------------------------------------------------------------*
> *MPI_ABORT was invoked on rank 63 in communicator MPI_COMM_WORLD*
> *with errorcode 1.*
> *NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.*
> *You may or may not see output from other processes, depending on*
> *exactly when Open MPI kills them.*
>
> *--------------------------------------------------------------------------*
> * ATM variables written at 1994-04-16 00:00:00 UTC        *
> * SRF variables written at 1994-04-16 00:00:00 UTC        *
> * STS variables written at 1994-04-16 00:00:00 UTC        *
> * RAD variables written at 1994-04-16 00:00:00 UTC        *
> * WHUUUUBBBASAAAGASDDWD!!!!!!!!!!!!!!!!*
> * No more atmosphere here....*
> * CFL violation detected, so model STOP*
> * #####################################*
> * #            DECREASE DT !!!!       #*
> * #####################################*
>
>
>
>
>
>
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>


-- 
Syed Ahsan Ali Bokhari
Electronic Engineer (EE)

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