Natural hazards · Tysons

Tysons, VA natural hazards

Most of the natural-hazard damage FEMA expects in Tysons comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 8 claims here since 2008.

FEMA National Risk Index, December 2025 · OpenFEMA claims, aid & declarations
Expected damage

How exposed is Tysons?

4
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Tysons to be higher than in 4% of U.S. communities, mostly from inland flooding.

Inland flooding62%Hurricanes14%Earthquakes7%Heat waves6%Everything else12%
By hazard

What Tysons faces

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

Inland flooding

62% of expected damage
Well below average · higher than 11% of U.S. places
Recorded about 6 times a year in the area

Hurricanes

14% of expected damage
Above average · higher than 74% of U.S. places
Recorded about once every 10 years in the area

Earthquakes

7% of expected damage
Below average · higher than 47% of U.S. places

Heat waves

6% of expected damage
Below average · higher than 49% of U.S. places
Recorded about 6 times a year in the area

Lower here

TornadoesHailIce stormsWinter weatherCold wavesWildfireLandslidesStrong windLightning

Not a risk here

Coastal floodingDroughtAvalanchesTsunamisVolcanic activity
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 Tysons flood?

Every paid claim on a federal flood insurance policy in Tysons, from FEMA’s records.

8paid claims since 2008
$41Kpaid to owners
0homes flooded more than once
20082026
of homes in flood zones
are insured
of all homes
are insured
No community discount. Tysons isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Fairfax County.
Disasters that hit Tysons

Federal disasters declared here

None of the disasters declared for Fairfax County shows FEMA aid or repair money reaching Tysons itself in FEMA’s records.

Brought FEMA money into TysonsDeclared for Fairfax County only
Fairfax County has had 17 natural disasters declared since 1953, most often winter storms and hurricanes.
Around Tysons

Tysons and the towns around it

Vienna: Low, mostly inland floodingDunn Loring: Very low, mostly inland floodingWolf Trap: Low, mostly inland floodingPimmit Hills: Very low, mostly inland floodingMcLean: Very low, mostly inland floodingIdylwood: Very low, mostly inland floodingOakton: Very low, mostly inland floodingMerrifield: Very low, mostly inland floodingReston: Very low, mostly inland floodingDifficult Run: Very low, mostly inland floodingGreat Falls: Low, mostly inland floodingGreat Falls Crossing: Very low, mostly inland floodingPotomac: Very low, mostly inland floodingBrookmont: Very low, mostly inland floodingCabin John: Very low, mostly inland floodingArlington: Very low, mostly inland floodingFalls Church: Very low, mostly inland floodingWest Falls Church: Very low, mostly inland floodingTysons: Very low, mostly inland flooding TysonsViennaDunn LoringWolf TrapPimmit HillsMcLeanIdylwood
Very lowLowModerateHighVery high
Wolf Trapmostly inland floodingLow
Viennamostly inland floodingLow
Dunn Loringmostly inland floodingVery low
McLeanmostly inland floodingVery low
Pimmit Hillsmostly inland floodingVery low
Idylwoodmostly inland floodingVery low
Tysonsmostly inland floodingVery low
About these numbers

How to read this page

An average, not a forecastFEMA’s National Risk Index estimates the damage 18 kinds of natural hazards cause in a typical year, from decades of records and models. A quiet decade can follow a bad year.
Compared by rate“Higher than N%” compares yearly damage as a share of what’s here, so a big city isn’t rated riskier just for having more buildings. Tysons covers 8 census tracts, combined by population.
Money that reached townFlood claims are matched to Tysons’s own flood-insurance community (here, the census tracts inside it); household aid to the registrant’s city; repair grants to Tysons. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

FEMA’s expected losses across Tysons total about $5.1M a year, counting buildings, people and crops.

Sources: FEMA National Risk Index (December 2025); 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. Census tracts: U.S. Census Bureau.

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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/19 · 2025-01-01