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C+Hazard risk
Natural hazards in Greenbriar · FEMA

FEMA expects more hazard damage per building in Greenbriar than in 60% of U.S. towns, mostly from hurricanes

On FEMA’s National Risk Index, Greenbriar gets a C+ for hazard risk: higher expected damage per building than 60% of U.S. towns. Most of that expected damage is hurricanes (51%), then river and rain flooding (42%). 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

more than 60%of U.S. townsLess damageMoreExpected yearly damage per dollar of building, vs. the 21,298 U.S. towns we grade
By hazard

What Greenbriar faces

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

Hurricanes

51%of expected building damage
Well above average · in the top 9% of U.S. census tracts
Recorded about once every 4 years in the area

River and rain flooding

42%of expected building damage
Below average · lower than 70% of U.S. census tracts
Recorded about 2 times a year in the area
Smaller shares here
 Tornadoes Hail Lightning top 4% Strong wind Earthquakes Wildfire Cold waves 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 12% of Greenbriar’s expected losses. Cold waves do little damage to buildings (0.0%), 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.
Hazard risk grade

What’s behind Greenbriar’s grade

Hurricanes are 51% of the building damage FEMA expects in Greenbriar, and Greenbriar’s rate of hurricanes damage is in the top 9% of U.S. census tracts. Next is river and rain flooding at 42% (lower than 70% of U.S. census tracts).

Where Greenbriar sits
Greenbriar
Least damageMiddleMost damage

C+ higher expected damage per building than 60% of U.S. towns (21,298).

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

What drives the damage to buildings
Hurricanes51%River and rain flooding42%Tornadoes4%Everything else2%

In dollars, FEMA expects about $646K a year in losses across Greenbriar: $433K to buildings, the rest to people and crops.

Shared tract.All of Greenbriar’s 2,696 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 town’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 Greenbriar flood? No paid flood claims on record

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

of all homes are insured
No community discount

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

Insurance rates: Pinellas County.
Disasters

The storms Greenbriar remembers

None of the 32 disasters declared for Pinellas County shows FEMA aid or repair money reaching Greenbriar itself in FEMA’s records, so these are its biggest flood-claim years.

Disasters declared, by decade
Paid out in GreenbriarPinellas County only

Pinellas County has had 32 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 3 FEMA wildfire suppression grants (Fire Management Assistance, not a disaster declaration) for fires in Pinellas County, 1999–2001.

Next door

Greenbriar and its neighbors

Greenbriar is 2nd of the 3 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
ClearwaterB−more damage than 53%hurricanes2,320
GreenbriarC+more damage than 60%hurricanes0
DunedinCmore damage than 66%hurricanes1,343

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 Greenbriar faces

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

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 Greenbriar

Is Greenbriar at risk for natural disasters?

On FEMA’s National Risk Index, Greenbriar has higher expected damage per building than 60% of U.S. towns: C+ for hazard risk. Most of the expected damage is hurricanes (51%) and river and rain flooding (42%). 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 Greenbriar 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 Pinellas County, 19.4% of all homes carry federal flood insurance.

How much is flood insurance in Greenbriar?

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

Is Greenbriar at risk from hurricanes?

It is the largest share of the building damage FEMA expects here (51%), and Greenbriar’s rate for it is in the top 9% of U.S. census tracts.

Storm stories

Memories, warnings and help from neighbors in Greenbriar.

Town Square →
Start the conversation

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