Perkins County, SD Tornado Risk & Storm Shelter Cost
Perkins County, SD: what NOAA's tornado record says
Since 1957, NOAA has logged 46 tornado tracks crossing Perkins County - one about every 1.7 years, which lands it in our High band. Nationally, Perkins County ranks at the 85th percentile for tornado frequency. Within South Dakota alone, Perkins County ranks 10 of 66 counties for tornado frequency.
Perkins County's EF4-5 history
Perkins County's record has no EF4-5 tornado - its 46 tracks split 36 weak and 8 significant. That does not rule one out in the future, only that none has been recorded since 1950.
What a storm shelter costs near Perkins County
For a Perkins County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no South Dakota-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 South Dakota 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. Perkins County covers about 2,870 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. Perkins County has about 2,832 residents.