FEMA puts Rossmoyne’s expected hazard damage per building below that of 85% of U.S. towns, mostly from river and rain flooding
On FEMA’s National Risk Index, Rossmoyne gets an A for hazard risk: lower expected damage per building than 85% of U.S. towns. Most of that expected damage is river and rain flooding (64%), then tornadoes (21%). FEMA’s files show no paid flood insurance claims here.
Graded on FEMA’s expected yearly building damage per dollar of building value (NRI v1.20, December 2025), weighted by where residents live; flood claims are shown, not graded. How hazard risk is graded
What Rossmoyne faces
Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.
River and rain flooding
Tornadoes
Earthquakes
Shares are of FEMA’s expected building damage, the measure the grade uses; ranks compare each hazard’s building-damage rate with all 85,154 U.S. census tracts. In FEMA’s terms, river and rain flooding is FEMA’s “Inland Flooding” (rivers and streams overflowing their banks, or rain overwhelming drainage). FEMA defines coastal flooding as high or rising tides and storm surge, so surge damage is counted there. Drought isn’t listed: FEMA counts its losses in crops only.
What’s behind Rossmoyne’s grade
River and rain flooding is 64% of the building damage FEMA expects in Rossmoyne, and Rossmoyne’s rate of river and rain flooding damage is lower than 77% of U.S. census tracts. Next is tornadoes at 21% (higher than 88% of U.S. census tracts).
A lower expected damage per building than 85% of U.S. towns (21,298).
Rossmoyne’s residents live in 4 census tracts; FEMA’s figures are combined by where they live.
In dollars, FEMA expects about $430K a year in losses across Rossmoyne: $273K to buildings, the rest to people and crops.
Does Rossmoyne flood? No paid flood claims on record
FEMA’s records show no paid flood insurance claims in Rossmoyne. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.
Rossmoyne isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Hamilton County.The storms Rossmoyne remembers
None of the 16 disasters declared for Hamilton County shows FEMA aid or repair money reaching Rossmoyne itself in FEMA’s records, so these are its biggest flood-claim years.
Hamilton County has had 16 natural disasters declared by the President since 1953, most often severe storms, then floods. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.
Rossmoyne and its neighbors
Rossmoyne is 5th of the 6 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.
| Town | Hazard risk | Mostly (buildings) | Flood claims |
|---|---|---|---|
| Blue Ash | A+less damage than 97% | river and rain flooding | 3 |
| Kenwood | Aless damage than 95% | river and rain flooding | 3 |
| Deer Park | Aless damage than 92% | river and rain flooding | — |
| Sycamore Township | Aless damage than 88% | river and rain flooding | 6 |
| Rossmoyne | Aless damage than 85% | river and rain flooding | 0 |
| Dillonvale | B+less damage than 67% | river and rain flooding | 1 |
Hazard risk = FEMA’s expected yearly building damage per dollar of building value, vs. the 21,298 U.S. towns we grade; the map is shaded by fifths of the same scale. Flood claims = paid federal flood insurance claims on record.
Get ready for what Rossmoyne faces
A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.
- Turn around at flooded roads: a foot of moving water can carry off a car.
- Flood insurance usually takes 30 days to start, so buy it before the forecast.
- Keep papers and medicines up high, in a grab-and-go bag.
- Pick your spot now: the lowest floor, an inside room, no windows.
- A watch means be ready; a warning means take cover now.
- Keep shoes and a flashlight by the bed.
- Drop, cover and hold on.
- Strap tall furniture and the water heater to the wall.
- Know how to shut off the gas.
- Look up the address on FEMA’s flood map.
- Ask the seller or landlord whether it has ever flooded, and what flood insurance costs there.
- Get a flood insurance quote early: policies usually start 30 days after you buy.
Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.
Questions about natural hazards in Rossmoyne
Is Rossmoyne at risk for natural disasters?
On FEMA’s National Risk Index, Rossmoyne has lower expected damage per building than 85% of U.S. towns: A for hazard risk. Most of the expected damage is river and rain flooding (64%) and tornadoes (21%). This is FEMA’s model of an average year for today’s buildings, not a forecast.
Is Rossmoyne in a flood zone?
Flood zones are drawn street by street, so the answer depends on the address: look it up on FEMA’s flood map. In Hamilton County, 24% of homes in mapped flood zones carry federal flood insurance, and 0.4% of all homes do.
How much is flood insurance in Rossmoyne?
FEMA’s Community Rating System list shows no discount for Rossmoyne’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.
Is Rossmoyne at risk from river and rain flooding?
It is the largest share of the building damage FEMA expects here (64%), and Rossmoyne’s rate for it is lower than 77% of U.S. census tracts.
Storm stories
Memories, warnings and help from neighbors in Rossmoyne.
Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Rossmoyne’s residents lived in the 2020 census; OpenFEMA: NFIP redacted claims, multiple-loss properties, community status book and residential penetration rates, housing assistance (owners and renters), public assistance funded projects, hazard mitigation properties and disaster declarations. Homes: Census ACS 2020–24. Preparedness tips: Ready.gov. FEMA’s model is an average of expected damage, not a forecast. How hazard risk is graded.