Tornadoes
Red Cross
Tornado Safety Checklist: http://www.redcross.org/www-files/Documents/pdf/Preparedness/checklists/Tornado.pdf
NOAA & National Weather Service
Preparedness Guide: http://www.crh.noaa.gov/images/ilx/pdf/ttl6-10.pdf
Illinois State Water Survey
Description: General information on tornados in the state of Illinois. Table of historical tornado events and number of deaths provided. Maps of tornado touchdowns and tracks also provided. Maps can be downloaded or viewed in either pdf or png form. Direct links are provided below.
Tornado Tracks and Touchdowns from 1950 to 2010 by County:
