Easy creation of tornado charts in Excel – 5 steps, no add-ins Posted on February 1, 2007 by Juan-Carlos Méndez García 6227http%3A%2F%2F8020world.com%2F2007%2F02%2Feasy-creation-of-tornado-charts-in-excel-5-steps-no-add-ins%2FEasy+creation+of+tornado+charts+in+Excel+-+5+steps%2C+no+add-ins2007-02-01+23%3A50%3A44Juan-Carlos+M%C3%A9ndez+Garc%C3%ADahttp%3A%2F%2Fjcandkimmita.info%2Fjc%2F2007%2F02%2Fbusiness%2Feasy-creation-of-tornado-charts-in-excel-5-steps-no-add-ins%2F UPDATE: A newer post is available, with Excel 2007 instructions and a screencast.