d=$1
c=$2
a=$3
export MAG_home="http://mag.ncep.noaa.gov"
skewtmap -o $GIF_ROOT/skewt/${d}/${c} -a ${a} -m skewt -c ${c} -d ${d} -i /com/mag/prod/mag.${d}/gfs.t${c}z.msupperairtble -f skewt_${a}