These 3-band color images were created using the "convert" command from Image Magick. The following command show the options used, using the hurricane sector as an example. /usr/bin/convert -channel RGB ./vis/0707042032G12I01.tif -resize 900x750 -gamma 2.0 \ ./ir4/0707042032G12I04.tif ./ir2/0707042032G12I02.tif -combine -channel RGB -negate \ ./maps/hurricane_0706171745_G12I04_countries.tif -colorspace RGB -compose multiply \ ./maps/hurricane_0706171745_G12I04_states.tif -colorspace RGB -compose multiply ./3band_color/0707042032G12_color.jpg