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.
Source: SPC. The most active tornado period of the year was the spring season (March-May). During the three month period, there 1,150 confirmed tornadoes across the country, the most on record for any three month period. The most active month of the year was April, when 748 tornadoes were confirmed. This is the most on record for any month, surpassing May 2003 when there were 550 tornadoes.