Carroll County, NH Tornado Risk & Storm Shelter Cost
How likely is a tornado in Carroll County, NH?
Since 1963, NOAA has logged 8 tornado tracks crossing Carroll County - one about every 9.5 years, which lands it in our Low band. Nationally, Carroll County ranks at the 25th percentile for tornado frequency. Within New Hampshire alone, Carroll County ranks 6 of 10 counties for tornado frequency.
Carroll County's EF4-5 history
Carroll County's record has no EF4-5 tornado - its 8 tracks split 7 weak and 1 significant. That does not rule one out in the future, only that none has been recorded since 1950.
What a storm shelter costs near Carroll County
For a Carroll County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no New Hampshire-specific rebate on top of FEMA's underlying 75% national cost-share program.
The outage nobody plans for
52,580 people live in Carroll County, and a tornado outbreak's power loss usually reaches far more of New Hampshire than the tracks themselves touch. A portable battery unit is the faster, no-fuel way to bridge that outage.
Read this before you rely on it
This is a county-level figure, not a per-address probability. Carroll County covers about 932 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. Carroll County has about 52,580 residents.