Hi 
Dear RegCM users
I try to run the RegCM 4.3.5.6  but failed at test simulation with following error

[dupf@ln0 RF]$ ./bin/terrain regcm.in

  This is Terrain part of RegCM package version 4 
   SVN Revision: tag 4.3.5.6 compiled at: data : Jun 21 2013  time: 11:02:23

 : this run start at  : 2013-07-05 17:44:32+0800
 : it is submitted by : dupf
 : it is running on   : ln0
 : in directory       : /home/dupf/RegCM-4.3.5.6/RF
                      
 Doing Grid with following parameters
 iy     =          100
 jx     =          128
 ds     =    50.0000000000000     
 clat   =    23.0000000000000     
 clon   =    78.0000000000000     
 iproj  = ROTMER
 Grid setup done
 Geo mapping done
 Calculated large extrema:
          MINLAT =   -2.00000000000000     
          MAXLAT =    45.0000000000000     
          MINLON =    41.0000000000000     
          MAXLON =    115.000000000000     
 Determined Grid coordinate range
 Using resampling at           12  minutes.
 Opening ./DATA/SURFACE/GTOPO_DEM_30s.nc
 NetCDF: Unknown file format                                                    
  
 mod_rdldtr.F90 :      139:NetCDF Error:          -51
abort: Fortran Abort Called

Could anyone assist me??? 


Best Regards

Mujtaba Hassan
PhD Scholar, Division of Environmental System Analysis
School of Environment
Tsinghua University Beijing, P.R. China
0086-13120076572