How Likely Is a Tornado in Roane County, WV?
Roane County, WV: what NOAA's tornado record says
Roane County has recorded 1 tornado touches in NOAA's 76-year database, a rate of roughly one every 76.9 years - our Minimal band. Put another way: Roane County sees more tornado activity than 5% of US counties. West Virginia has 55 counties in this dataset; Roane County ranks 39 of them by frequency.
Beyond the frequency band: violent history
1 weak and 0 significant tornadoes make up Roane County's 1-track record - none violent. NOAA has never logged an EF4 or EF5 crossing this county.
The dollar figure Roane County's rating leads to
Cost nationally: $2,890-$13,280, about $7,645 typical. West Virginia has no state rebate program confirmed here; FEMA's underlying 75% cost-share exists nationwide, but applying through a state program is what usually makes it real, and none was found for West Virginia this pass.
What a direct hit isn't required for
The storm that misses Roane County outright can still take its power out - outbreak-scale outages across West Virginia are common well beyond the tracked path. A battery-backup unit handles that without a generator's setup or fuel.
What this number is, and is not
One caveat before relying on Roane County's number: it is county-wide, and it covers about 484 square miles, so a single touch counts the same as one in a county a fraction of that size. Weaker pre-1990s tornadoes are also documented as undercounted in NOAA's own record. Roane County has about 13,540 residents.