Marinette County, WI: Tornado Risk and Shelter Cost
Marinette County, WI: what NOAA's tornado record says
NOAA's Storm Prediction Center has recorded 23 tornado tracks touching Marinette County since 1958 - about one every 3.3 years on average. That puts it in our Moderate band nationally. Against the rest of the country, that is the 57th percentile for frequency. Among 72 Wisconsin counties in this dataset, Marinette County ranks 40 for how often a tornado touches down.
Has Marinette County ever had a violent tornado?
Yes, 1 time: Marinette County has an EF4-5 tornado on record. Wherever that history exists, FEMA's safe-room case applies regardless of how often the county gets touched overall.
Paying for it, if Marinette 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 Wisconsin 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
42,343 people live in Marinette County, and a tornado outbreak's power loss usually reaches far more of Wisconsin than the tracks themselves touch. A portable battery unit is the faster, no-fuel way to bridge that outage.
County-level, not address-level
Treat this as a county-wide figure, not a prediction for one address. Marinette County covers about 1,399 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. Marinette County has about 42,343 residents.