 &GRDCHK_NML
 grdchk_eps       = 1.d-2,
 iglopos         = 10,
 jglopos         = 10,
 iGloTile         = 2,
 jGloTile         = 2,
 nbeg             = 1,
 nstep            = 1,
 nend             = 4,
#grdchkvarname    = "xx_theta", fails at freezing point
 grdchkvarname    = "xx_atemp",
 &
