Tornado Risk in Knox County, KY
Knox County's tornado history, by the numbers
3 tornado tracks have crossed Knox County since 2004 by NOAA's count, roughly one every 25.6 years - the Minimal band on this site's scale. That is the 11th percentile nationally for tornado frequency. Kentucky has 120 counties in this dataset; Knox County ranks 98 of them by frequency.
The number that matters more than frequency
No violent (EF4-5) tornado has been recorded in Knox County in NOAA's 76-year database. Of its 3 recorded tracks, 3 were weak (EF0-1) and 0 significant (EF2-3).
Shelter and safe-room economics
Kentucky does not currently have a confirmed state rebate layered on top of FEMA's 75% Hazard Mitigation cost-share, so a Knox County homeowner should expect the full national range: $2,890-$13,280, $7,645 typical.
Power after the storm, not just shelter during it
Tornado outbreaks routinely knock out power across Kentucky for days, separately from any single house getting hit. A portable battery bank keeps a fridge, phone chargers and a radio running through that gap - cheaper and faster to set up than a generator.
What Knox County's figure does not tell you
Knox County's figure is county-wide, not address-specific. Knox County covers about 386 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. NOAA also documents that older records undercount weaker tornadoes from before Doppler radar became standard. Knox County has about 29,657 residents.