Clinton County, IA Tornado Risk & Storm Shelter Cost
Clinton County, IA: what NOAA's tornado record says
Since 1965, NOAA has logged 52 tornado tracks crossing Clinton County - one about every 1.5 years, which lands it in our High band. Nationally, Clinton County ranks at the 89th percentile for tornado frequency. Within Iowa alone, Clinton County ranks 11 of 99 counties for tornado frequency.
Clinton County's EF4-5 history
Clinton County has 1 violent (EF4-5) tornado on record. FEMA centers its safe-room case on exactly this strength, not on how often a county gets touched - a hardened room is the difference between a code-built house surviving an EF4-5 or not.
What a storm shelter costs near Clinton County
For a Clinton County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no Iowa-specific rebate on top of FEMA's underlying 75% national cost-share program.
The outage nobody plans for
Power loss after a tornado outbreak in Iowa often reaches homes the storm itself never touched. A battery-backup unit covers the outage without the fuel and venting a generator needs.
Read this before you rely on it
This is a county-level figure, not a per-address probability. Clinton County covers about 695 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. Pre-radar-era records (before the 1990s) are also documented by NOAA as undercounting weaker tornadoes in sparsely-instrumented areas. Clinton County has about 46,015 residents.