Box Elder County, UT: Tornado Risk and Shelter Cost
Box Elder County's tornado history, by the numbers
NOAA's Storm Prediction Center has recorded 10 tornado tracks touching Box Elder County since 1962 - about one every 7.6 years on average. That puts it in our Low band nationally. Against the rest of the country, that is the 29th percentile for frequency. Among 29 Utah counties in this dataset, Box Elder County ranks 4 for how often a tornado touches down.
Has Box Elder County ever had a violent tornado?
Nothing violent in Box Elder County's file: 10 tracks total, topping out at significant (EF2-3) strength on 0 of them, zero at EF4-5.
Paying for it, if Box Elder 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 Utah 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
The storm that misses Box Elder County outright can still take its power out - outbreak-scale outages across Utah are common well beyond the tracked path. A battery-backup unit handles that without a generator's setup or fuel.
County-level, not address-level
Treat this as a county-wide figure, not a prediction for one address. Box Elder County covers about 5,781 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. Box Elder County has about 64,120 residents.