Coconino County, AZ Tornado Risk & Storm Shelter Cost
Coconino County's tornado history, by the numbers
Since 1957, NOAA has logged 49 tornado tracks crossing Coconino County - one about every 1.6 years, which lands it in our High band. Nationally, Coconino County ranks at the 87th percentile for tornado frequency. Among 15 Arizona counties in this dataset, Coconino County ranks 2 for how often a tornado touches down.
Coconino County's EF4-5 history
Coconino County's record has no EF4-5 tornado - its 49 tracks split 41 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 Coconino County
For a Coconino County homeowner, budget $2,890-$13,280 for a shelter or safe room ($7,645 typical) - this pass found no Arizona-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 Arizona 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. Coconino County covers about 18,616 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. Coconino County has about 145,161 residents.