See for yourself the odd mesh like grid patter over SE Oregon, odd concentric oval on the coast range outside of Coos Bay.
http://www.nrlmry.navy.mil/sat-bin/display10.cgi?SIZE=full&PHOT=yes&AREA=pacific/eastern/wash_oregon&PROD=vis&TYPE=ssmi&NAV=epac_westcoast&DISPLAY=Prev&ARCHIVE=Latest&CGI=epac_westcoast.cgi&CURRENT=20130129.2000.goes15.vis.x.wash_oregon.x.jpg&MOSAIC_SCALE=25
http://www.nrlmry.navy.mil/sat-bin/display10.cgi?SIZE=full&PHOT=yes&AREA=pacific/eastern/wash_oregon&PROD=vis&TYPE=ssmi&NAV=epac_westcoast&DISPLAY=Prev&ARCHIVE=Latest&CGI=epac_westcoast.cgi&CURRENT=20130129.2000.goes15.vis.x.wash_oregon.x.jpg&MOSAIC_SCALE=25