Hi Seshu
 
Usually it's a time step problem. You have to reduce it. Don't forget to take into account your spatial resolution.
 
Regards !


Seshu girirao <seshu_meteo16@yahoo.com> a écrit :
Dear Users,

I have succesfully compiled the RegCM3 on Mac OS 10.4
with ifort compiler. When i ran the model i received
the Nan to Nan error in my terminal.

**************************************************************

******* OPENING NEW OUTPUT FILES: 2006010100
OPENING NEW OUT FILE: output/ATM.2006010100
OPENING NEW BAT FILE: output/SRF.2006010100
OPENING NEW RAD FILE: output/RAD.2006010100
mkdir: ../PostProc: File exists
OUT-history written date = 2006010100.00000
BATS variables written at 2006010100
2.00000000000000
Writing rad fields at ktau = 1 2006010100
at day = 0.0681, ktau = 50 : 1st, 2nd
time deriv of ps = 0.88864E-04 0.34582E-06, no. of
points w/convection = 149
BATS variables written at 2006010103
180.000000000000
at day = 0.1375, ktau = 100 : 1st, 2nd
time deriv of ps = 0.84879E-04 0.36702E-06, no. of
points w/convection = 175
at day = 0.2069, ktau = 150 : 1st, 2nd
time deriv of ps = 0.12951E-03 0.67761E-06, no. of
points w/convection = 226
*** solar declination angle = -22.96
degrees.
dectim = 2880.00000000000
OUT-history written date = 2006010106.00000
BATS variables written at 2006010106
0.000000000000000E+000
Writing rad fields at ktau = 180 2006010106
BCs are ready from 2006010106 to 2006010112
at day = 0.2764, ktau = 200 : 1st, 2nd
time deriv of ps = 0.24971E-03 0.15018E-05, no. of
points w/convection = 251
at day = 0.3458, ktau = 250 : 1st, 2nd
time deriv of ps = 0.56765E-03 0.34988E-05, no. of
points w/convection = 255
BATS variables written at 2006010109
180.000000000000
at day = 0.4153, ktau = 300 : 1st, 2nd
time deriv of ps = 0.14687E-02 0.92682E-05, no. of
points w/convection = 216
at day = 0.4847, ktau = 350 : 1st, 2nd
time deriv of ps = NaN NaN , no. of
points w/convection = 0
*** solar declination angle = -22.94
degrees.
dectim = 4320.00000000000
OUT-history written date = 2006010112.00000
BATS variables written at 2006010112
0.000000000000000E+000
Writing rad fields at ktau = 360 2006010112
BCs are ready from 2006010112 to 2006010118
at day = 0.5542, ktau = 400 : 1st, 2nd
time deriv of ps = NaN NaN , no. of
points w/convection = 0
at day = 0.6236, ktau = 450 : 1st, 2nd
time deriv of ps = NaN NaN , no. of
points w/convection = 0

***********************************************************************
Thanks for any help.

With best regards,
K.Seshagirirao


*****************************************************
Kolusu Seshagiri Rao, Senior Research Fellow,
Agro Climate Research Centre,
TNAU,Coimbatore-641 003, India.
Ph: +91 9944685763,
Alt-Email: seshu_kolusu16@rediffmail.com,
*****************************************************




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M. Bamba SYLLA
Laboratoire de Physique de l'Atmosphère et de l'Océan (LPAO-SF)
Ecole Supérieure Polytechnique (ESP)
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