The data probably comes from here: http://www.nhc.noaa.gov/pastall.shtml http://www.nhc.noaa.gov/pastall.shtml The final step was transforming into this JavaS

The data probably comes from here: http://www.nhc.noaa.gov/pastall.shtml http://www.nhc.noaa.gov/pastall.shtml The final step was transforming into this JavaScript file: http://callum.com/sandbox/webglex/storm_tracks_webgl/js/storms.js http://callum.com/sandbox/webglex/storm_tracks_webgl/js/stor... The process likely involved reading an XML or CSV file from one or several datastets and generating that file.