http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/geos.rxml
http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/gifs/geo.mpg
Link to Ackerman’s 100 page
http://cimss.ssec.wisc.edu/wxwise/class/aos100.html
Link to Ackerman’s Forces Balance
http://profhorn.meteor.wisc.edu/wxwise/kinematics/balwind.html