Select: http://wxnorthwest.com/weather/grads_maps/GFS_500mb_heights_vorticity_01.png http://mag.ncep.noaa.gov/data/gfs/12/gfs_namer_000_500_vort_ht.gif http://weather.wxnorthwest.com/web/pages/maps/pnw_temp.png http://weather.wxnorthwest.com/web/pages/maps/pdx_metro_temp.png http://www.ssec.wisc.edu/data/geo/west/latest_west_ir4_nh.gif http://weather.wxnorthwest.com/tools/mesowest_maps/images/temp_change.png http://www.opc.ncep.noaa.gov/P_e_sfc_color.png http://wxnw1.com/weather/tools/wxnw_drawing/overlays/wxnw_blue_background_with_banner_and_logo.png ./output/output.png