Tornado Risk in Knox County, TX
Knox County, TX: what NOAA's tornado record says
31 tornado tracks have crossed Knox County since 1953 by NOAA's count, roughly one every 2.5 years - the Elevated band on this site's scale. That is the 70th percentile nationally for tornado frequency. Within Texas alone, Knox County ranks 142 of 254 counties for tornado frequency.
The number that matters more than frequency
Yes. Knox County has recorded 1 EF4 or EF5 tornado - the strength FEMA's own safe-room guidance is built around, because a standard code-built house is not expected to survive those winds without a hardened room. A county can be lower-frequency overall and still carry this history.
Shelter and safe-room economics
Texas 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
Power loss after a tornado outbreak in Texas often reaches homes the storm itself never touched. A battery-backup unit covers the outage without the fuel and venting a generator needs.
Wind damage may need its own endorsement
Texas 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 Knox County policy rather than assuming it is included.
What Knox County's figure does not tell you
Knox County's figure is county-wide, not address-specific. Knox County covers about 851 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 3,255 residents.