Union County, TN: Tornado Risk and Shelter Cost
Union County, TN: what NOAA's tornado record says
NOAA's Storm Prediction Center has recorded 3 tornado tracks touching Union County since 1974 - about one every 25.6 years on average. That puts it in our Minimal band nationally. Against the rest of the country, that is the 11th percentile for frequency. Among 95 Tennessee counties in this dataset, Union County ranks 88 for how often a tornado touches down.
Has Union County ever had a violent tornado?
Nothing violent in Union County's file: 3 tracks total, topping out at significant (EF2-3) strength on 0 of them, zero at EF4-5.
Paying for it, if Union County's history says you should
A storm shelter or in-residence safe room typically runs $2,890-$13,280 nationally, around $7,645 for a common single-family installation. No state-administered rebate program specific to Tennessee was confirmed for this site - FEMA's own Hazard Mitigation Assistance grants fund 75% of an approved safe room nationwide, but only some states currently run a homeowner-facing application on top of that.
The gap a shelter does not cover
A direct hit is not required for Union County to lose power - outbreak-wide outages across Tennessee regularly reach homes and businesses well outside the actual tracks. A battery bank covers that gap without a generator's fuel and venting needs.
County-level, not address-level
Treat this as a county-wide figure, not a prediction for one address. Union County covers about 224 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. And records from before the 1990s, NOAA notes, undercount weaker tornadoes in areas with less storm-spotting coverage at the time. Union County has about 21,064 residents.