lat and lon grids

NCL folks,
Please help me on this issue.
I have single array of each like lat, lon, lev, and time. I want to create xlat_m and xlong_m with (time,lat,lon) as defined in the WRF like this XLAT_M(Time, south_north, west_east)

 Data in the file looks like this

dimensions:
lon = 1160 ;
lat = 490 ;
lev = 1 ;
time = UNLIMITED ; // (46 currently)
variables:
double lon(lon) ;
lon:standard_name = "longitude" ;
lon:long_name = "longitude" ;
lon:units = "degrees_east" ;
lon:axis = "X" ;
double lat(lat) ;
lat:standard_name = "latitude" ;
lat:long_name = "latitude" ;
lat:units = "degrees_north" ;
lat:axis = "Y" ;
double lev(lev) ;
lev:long_name = "generic" ;
lev:units = "level" ;
lev:axis = "Z" ;
double time(time) ;
time:standard_name = "time" ;
time:units = "hours since 2001-01-01 00:00:00" ;
time:calendar = "standard" ;

Thanks,
Anil

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Received on Mon Jan 27 10:29:21 2014