How Likely Is a Tornado in Warren County, IN?
Warren County's tornado history, by the numbers
Warren County has recorded 11 tornado touches in NOAA's 76-year database, a rate of roughly one every 6.9 years - our Low band. Put another way: Warren County sees more tornado activity than 30% of US counties. Indiana has 92 counties in this dataset; Warren County ranks 81 of them by frequency.
Beyond the frequency band: violent history
7 weak and 4 significant tornadoes make up Warren County's 11-track record - none violent. NOAA has never logged an EF4 or EF5 crossing this county.
The dollar figure Warren County's rating leads to
Nationally, storm shelters and safe rooms run $2,890-$13,280. Because Warren County is in Indiana, the Indiana Department of Homeland Security's Residential Safe Room Program can cut that by 75% (capped at $5,000), to about $722.5-$8,280 net - check current funding status before counting on it.
What a direct hit isn't required for
A direct hit is not required for Warren County to lose power - outbreak-wide outages across Indiana regularly reach homes and businesses well outside the actual tracks. A battery bank covers that gap without a generator's fuel and venting needs.
What this number is, and is not
One caveat before relying on Warren County's number: it is county-wide, and it covers about 365 square miles, so a single touch counts the same as one in a county a fraction of that size. Weaker pre-1990s tornadoes are also documented as undercounted in NOAA's own record. Warren County has about 8,451 residents.