Tornados Floods Snow Storms Fujita Tornado Scale Floodplain Management Resource Guide Sangamon County Hail Event Data March 12, 2006, Tornado Aerial Overlay. From NOAA - Lincoln, IL. Illinois State Model Flood Ordinance Know Your Winter Storm and Extreme Cold Terms Springfield Tornados: March 12, 2006   Snow Terms The Basics About Tornados     Tornados by Hour and Month     Tornados in Sangamon County 1950-2006       Draft Hazard Profiles Dam Failure Drought Earthquakes Extreme Heat Flooding Mine Subsidence Severe Storms Tornados Winter Storms Additional Hazard related reference materials: Report of the Multihazard Mitigation Council of the National Institute of Building Services Public Observations about Building Code Administartion and Enforcement: Benefits, Needs and Shortcomings Surviving the Aftermath of the Storm: Midwest Residents Are Warned of Deadly Hazards that Arise After the Flood Waters Recede Severe Weather in the Springfield Area