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–Not graded
Natural hazards in Ona · FEMA

Storms, floods and disasters in Ona

Ona isn’t graded for hazard risk: Ona has 44 residents; we grade towns of 1,000 or more.

Flood claims
0
paid since 1978 · $0
Disasters paid out here
6
of 24 declared for Hardee County
By hazard

What Ona faces

Each hazard’s share of the building damage FEMA expects here, and how its rate compares with the rest of the country.

Strong wind

40%of expected building damage
Well above average · in the top 1% of U.S. census tracts
Recorded about once every 1 years in the area

Hurricanes

36%of expected building damage
Well above average · in the top 5% of U.S. census tracts
Recorded about once every 4 years in the area

River and rain flooding

17%of expected building damage
About average · lower than 53% of U.S. census tracts
Recorded about once every 1 years in the area
Smaller shares here
 Wildfire top 4% Tornadoes Cold waves top 0% Lightning Hail Earthquakes Heat waves Landslides
FEMA models no building damage here
Coastal floodingWinter stormsIce stormsAvalanchesTsunamisVolcanic activity
People, not buildings.Counting harm to people as well as buildings, FEMA’s model puts cold waves at 9% of Ona’s expected losses. Cold waves do little damage to buildings (0.3%), so they aren’t part of the grade.

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.
Flood insurance claims

Does Ona flood? No paid flood claims on record

FEMA’s records show no paid flood insurance claims in Ona. 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

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

Insurance rates: Hardee County.
Disasters

6 federal disasters brought FEMA money to Ona

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

  1. 2024Hurricane Milton62 households applied for aid$38K aid approved
  2. 2022Hurricane Ian156 households applied for aid$458K aid approved
  3. 2017Hurricane Irma77 households applied for aid$35K aid approved
  4. 2004Hurricane Jeanne74 households applied for aid$229K aid approved
  5. 2004Hurricane Frances27 households applied for aid$66K aid approved
  6. 2004Tropical Storm Bonnie and Hurricane Charley248 households applied for aid$460K aid approved
Disasters declared, by decade
Paid out in OnaHardee County only

Hardee County has had 24 natural disasters declared by the President since 1953, most often hurricanes and tropical storms, then severe storms. Not counted: the 2005 Hurricane Katrina evacuee emergency, which covered counties that took in evacuees.

Also 2 FEMA wildfire suppression grants (Fire Management Assistance, not a disaster declaration) for fires in Hardee County, 1999–2001.

Were you here?

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

Add to the Ona archive →
Be ready

Get ready for what Ona faces

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

High winds
  • Trim dead limbs over the house and driveway.
  • Tie down trash cans and outdoor furniture.
  • Stay clear of downed lines and call the utility.
More from Ready.gov ↗
Hurricane season
  • The season runs June through November and peaks from mid-August to mid-October.
  • Bring in porch furniture and anything the wind can throw.
  • Fill the gas tank and charge phones before the storm arrives.
More from Ready.gov ↗
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 ↗
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 Ona

Is Ona 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 Hardee County, 15% of homes in mapped flood zones carry federal flood insurance, and 1.3% of all homes do.

How much is flood insurance in Ona?

FEMA’s Community Rating System list shows no discount for Ona’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 Ona?

By FEMA money that reached Ona, Tropical Storm Bonnie and Hurricane Charley (2004): 248 households applied for aid, $460K approved.

Storm stories

Memories, warnings and help from neighbors in Ona.

Town Square →
Start the conversation

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