Tornado Risk in Marshall County, MS
Marshall County's tornado history, by the numbers
21 tornado tracks have crossed Marshall County since 1968 by NOAA's count, roughly one every 3.6 years - the Moderate band on this site's scale. That is the 53rd percentile nationally for tornado frequency. Among 82 Mississippi counties in this dataset, Marshall County ranks 69 for how often a tornado touches down.
The number that matters more than frequency
Yes. Marshall County has recorded 1 EF4 or EF5 tornado - the strength FEMA's own safe-room guidance is built around, because a standard code-built house is not expected to survive those winds without a hardened room. A county can be lower-frequency overall and still carry this history.
Shelter and safe-room economics
A storm shelter or in-residence safe room typically runs $2,890-$13,280 nationally (around $7,645 typical). Mississippi's Mississippi Emergency Management Agency's Safe Room Program covers 75% of an approved project, up to $3,500 - bringing a typical job down to roughly $722.5-$9,780 out of pocket, when the program is currently funded.
Power after the storm, not just shelter during it
A direct hit is not required for Marshall County to lose power - outbreak-wide outages across Mississippi regularly reach homes and businesses well outside the actual tracks. A battery bank covers that gap without a generator's fuel and venting needs.
Wind damage may need its own endorsement
Mississippi is one of a handful of states where insurers can write wind/hail damage out of a standard homeowners policy - tornado damage may not be fully covered without a separate wind endorsement. Worth confirming directly on a Marshall County policy rather than assuming it is included.
What Marshall County's figure does not tell you
Marshall County's figure is county-wide, not address-specific. Marshall County covers about 706 square miles, so a single touch here counts the same as a single touch in a county a fraction of that size. NOAA also documents that older records undercount weaker tornadoes from before Doppler radar became standard. Marshall County has about 34,374 residents.