Dear all,<br>i am using intel compiler (10.1.011) for running RegCM4. i was able to simulate for few years. but recently when i am running RegCM4.0, it is showing CFL violation and suggests to decrease DT.<br>i decreased the DT to smaller values  but the same problem is coming again and again.<br>
<br><br><br><br><br> fac =            2   60.0000000000000<br> Writing output files in direct access format<br> <br> ******* OPENING NEW OUTPUT FILES:  1990060100<br> OPENING NEW OUT FILE: /home/pmaharana/RCM4/output//ATM.1990060100<br>
 OPENING NEW SRF FILE: /home/pmaharana/RCM4/output//SRF.1990060100<br> OPENING NEW RAD FILE: /home/pmaharana/RCM4/output//RAD.1990060100<br> OUT-history written date =    1990060100.00000<br> LAND variables written at   1990060100   2.50000000000000<br>
 Writing rad fields at ktau =            1  1990060100<br> WHUUUUBBBASAAAGASDDWD!!!!!!!!!!!!!!!!<br> No more atmosphere here....<br> CFL violation detected, so model STOP<br> #####################################<br> #            DECREASE DT !!!!       #<br>
 #####################################<br>  -------------- FATAL CALLED ---------------<br>  Fatal in file: tend.F90 at line:   2280<br>  CFL VIOLATION<br>  -------------------------------------------<br>rank 0 in job 1  climate.jnu.ac.in_60366   caused collective abort of all ranks<br>
  exit status of rank 0: return code 1<br> <br><br><br>Please help<br>Thank in advance<br><br>Pyarimohan maharana<br><br>