How Likely Is a Tornado in Lexington County, SC?
Lexington County's tornado history, by the numbers
Lexington County has recorded 48 tornado touches in NOAA's 76-year database, a rate of roughly one every 1.6 years - our High band. Put another way: Lexington County sees more tornado activity than 87% of US counties. Within South Carolina alone, Lexington County ranks 4 of 46 counties for tornado frequency.
Beyond the frequency band: violent history
35 weak and 13 significant tornadoes make up Lexington County's 48-track record - none violent. NOAA has never logged an EF4 or EF5 crossing this county.
The dollar figure Lexington County's rating leads to
Cost nationally: $2,890-$13,280, about $7,645 typical. South Carolina has no state rebate program confirmed here; FEMA's underlying 75% cost-share exists nationwide, but applying through a state program is what usually makes it real, and none was found for South Carolina this pass.
What a direct hit isn't required for
A direct hit is not required for Lexington County to lose power - outbreak-wide outages across South Carolina regularly reach homes and businesses well outside the actual tracks. A battery bank covers that gap without a generator's fuel and venting needs.
Wind damage may need its own endorsement
South Carolina is one of a handful of states where insurers can write wind/hail damage out of a standard homeowners policy - tornado damage may not be fully covered without a separate wind endorsement. Worth confirming directly on a Lexington County policy rather than assuming it is included.
What this number is, and is not
One caveat before relying on Lexington County's number: it is county-wide, and it covers about 699 square miles, so a single touch counts the same as one in a county a fraction of that size. Weaker pre-1990s tornadoes are also documented as undercounted in NOAA's own record. Lexington County has about 313,774 residents.