Dunn County, ND Tornado Risk & Storm Shelter Cost
How likely is a tornado in Dunn County, ND?
Since 1960, NOAA has logged 26 tornado tracks crossing Dunn County - one about every 2.9 years, which lands it in our Elevated band. Nationally, Dunn County ranks at the 61st percentile for tornado frequency. North Dakota has 53 counties in this dataset; Dunn County ranks 32 of them by frequency.
Dunn County's EF4-5 history
Dunn County's record has no EF4-5 tornado - its 26 tracks split 23 weak and 2 significant. That does not rule one out in the future, only that none has been recorded since 1950.
What a storm shelter costs near Dunn County
For a Dunn County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no North Dakota-specific rebate on top of FEMA's underlying 75% national cost-share program.
The outage nobody plans for
4,031 people live in Dunn County, and a tornado outbreak's power loss usually reaches far more of North Dakota 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. Dunn County covers about 2,008 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. Dunn County has about 4,031 residents.