Across the Midwest during the warmer months, studying the sky for signs of storms and tornadoes becomes one of the most popular pastimes.\n\nDan Chavas, an associate professor in the Department of Earth, Atmospheric, and Planetary https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_ddfb&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_e23g&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_2h5h&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_d44e&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_12gg&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_fde7&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_f7fb&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_hhb1&Connector=https://unitedkinews.com https://marketing.purdue.edu/FCKEditor/editor/filemanager/browser/default/browser.html?id=comment_pirater_zf86&Connector=https://unitedkinews.com