The Official Web Site of the State of South Carolina Show SC.gov Links. The Assessor conducts an assessment and valuation of all real property (land and buildings) in Lexington County except for those properties assessed by the South Carolina Department of Revenue (e.g. manufacturing facilities).
10 deadliest U.S. tornadoes â 1.The Tri-State Tornado, which killed 695 people and injured 2,027, was the deadliest tornado in U.S. history, according to the National Oceanic and Atmospheric Administration.
Most of the deadly and damaging tornadoes occur in groups of outbreaks that often last from 6 to 12 hours. One of the worst such outbreak in Minnesota occurred on June 28, 1979, when 16 tornadoes slashed across the state, from northwest to southeast, in a six and one half hour period.