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AHazard risk
Natural hazards in Thompson Township · FEMA

FEMA puts Thompson Township’s expected hazard damage per building below that of 95% of U.S. towns, mostly from river and rain flooding

On FEMA’s National Risk Index, Thompson Township gets an A for hazard risk: lower expected damage per building than 95% of U.S. towns. Most of that expected damage is river and rain flooding (82%). 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

less than 95%of U.S. townsLess damageMoreExpected yearly damage per dollar of building, vs. the 21,298 U.S. towns we grade
By hazard

What Thompson Township 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

82%of expected building damage
Below average · lower than 77% of U.S. census tracts
Recorded about once a year in the area

Tornadoes

7%of expected building damage
About average · higher than 52% of U.S. census tracts
Smaller shares here
 Strong wind Hail Winter storms top 2% Ice storms Earthquakes Hurricanes Cold waves top 4% Lightning Wildfire Heat waves Landslides
FEMA models no building damage here
Coastal floodingAvalanchesTsunamisVolcanic activity

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.

Flood risk changes street by street. Check a specific address on FEMA’s flood map, and ask about flood insurance before you buy.
Hazard risk grade

What’s behind Thompson Township’s grade

River and rain flooding is 82% of the building damage FEMA expects in Thompson Township, and Thompson Township’s rate of river and rain flooding damage is lower than 77% of U.S. census tracts. Winter storms add 3%, at a rate in the top 2% of U.S. census tracts.

Where Thompson Township sits
Thompson Township
Least damageMiddleMost damage

A lower expected damage per building than 95% of U.S. towns (21,298).

All of Thompson Township’s residents live in one census tract; the figures are that tract’s.

What drives the damage to buildings
River and rain flooding82%Tornadoes7%Strong wind3%Everything else8%

In dollars, FEMA expects about $344K a year in losses across Thompson Township: $280K to buildings, the rest to people and crops.

Shared tract.All of Thompson Township’s 2,144 residents (2020 census) live in one census tract. FEMA publishes its model by tract, so the rate and the hazard mix are the tract’s. The flood claims below are the township’s own.
A shared figure. The grade describes the whole tract, not each street in it, and FEMA’s model is an average year for today’s buildings, not a record: the claims below are the record.

How TownRatings grades hazard risk →

Flood insurance claims

Does Thompson Township flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Thompson Township. That’s not a promise: most homes don’t carry flood insurance, so small floods go unrecorded.

of homes in flood zones are insured
of all homes are insured
No community discount

Thompson Township isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.

Insurance rates: Geauga County.
Disasters

1 federal disaster brought FEMA money to Thompson Township

Disasters that paid out in Thompson Township itself (aid to households or repair grants to Thompson Township), newest first, with that year’s flood claims.

  1. 2006Severe Storms, Straight Line Winds, and Flooding38 households applied for aid$74K aid approved
Disasters declared, by decade
Paid out in Thompson TownshipGeauga County only

Geauga County has had 9 natural disasters declared by the President since 1953, most often severe storms, then winter storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Were you here?

Old photos of Thompson Township after a storm or flood belong in the town’s history. Add one, or share what you remember below.

Add to the Thompson Township archive →
Next door

Thompson Township and its neighbors

Thompson Township is 2nd of the 5 graded towns here, from least expected damage per building to most. Tap a town to see its hazards.

Lowest fifthSecondMiddleFourthHighest fifth
TownHazard riskMostly (buildings)Flood claims
Madison TownshipA+less damage than 96%river and rain flooding18
Thompson TownshipAless damage than 95%river and rain flooding0
Leroy TownshipAless damage than 92%river and rain flooding—
Montville TownshipAless damage than 90%river and rain flooding1
Trumbull TownshipA−less damage than 76%river and rain flooding3

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.

Be ready

Get ready for what Thompson Township faces

A short kit for the hazards that drive the building damage here, what to check before you buy, and where neighbors get alerts.

When the river rises
  • 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.
More from Ready.gov ↗
Tornado warnings
  • 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.
More from Ready.gov ↗
Before you buy or rent
  • 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.
When a storm is coming
Forecast and alertsWeather →911, the nearest ERSafety →

Know where neighbors sign up for alerts? Add it to the Handbook so everyone has it.

Questions about natural hazards in Thompson Township

Is Thompson Township at risk for natural disasters?

On FEMA’s National Risk Index, Thompson Township has lower expected damage per building than 95% of U.S. towns: A for hazard risk. Most of the expected damage is river and rain flooding (82%) and tornadoes (7%). The figures are for the one census tract the town shares with its neighbors. This is FEMA’s model of an average year for today’s buildings, not a forecast.

Is Thompson Township 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 Geauga County, 31% of homes in mapped flood zones carry federal flood insurance, and 0.2% of all homes do.

How much is flood insurance in Thompson Township?

FEMA’s Community Rating System list shows no discount for Thompson Township’s flood program. Premiums depend on the building; policies usually start 30 days after you buy, so get a quote early.

What was the biggest storm in Thompson Township?

By FEMA money that reached Thompson Township, Severe Storms, Straight Line Winds, and Flooding (2006): 38 households applied for aid, $74K approved.

Is Thompson Township at risk from river and rain flooding?

It is the largest share of the building damage FEMA expects here (82%), and Thompson Township’s rate for it is lower than 77% of U.S. census tracts.

Storm stories

Memories, warnings and help from neighbors in Thompson Township.

Town Square →
Start the conversation

Sources: FEMA National Risk Index v1.20 (December 2025), census-tract table, combined by where Thompson Township’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.