670 = IIFIN ...Number of grids in west-east direction)
670 = JJFIN ...Number of grids in south-north direction
120. = DXFIN ...Grid size in west-east direction (m)
120. = DYFIN ...Grid size in south-north direction (m)
704820. = EDGEW ...UTMC west-east coordinate of the southwest corner
3944820. = EDGES ...UTMC south-north coordinate of the southwest corner
OAKRIDGE_SURFACE.DAT            = 32 character name of wind field surface data file in $CAPARS/code/trac/data
oakridge_120m.dat               = 32 character name of dispersion model dem (surface data) file in $GEO