http://squall.sfsu.edu/scripts/jetstream_model.html
http://earthobservatory.nasa.gov/NaturalHazards/view.php?id=14908
http://hosted.ap.org/dynamic/stories/U/UN_JAPAN_EARTHQUAKE?SITE=AP&SECTION=HOME&TEMPLATE=DEFAULT&CTIME=2011-03-18-09-14-32