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Natural hazards · Londonderry

Londonderry, VT natural hazards

Most of the natural-hazard damage FEMA expects in Londonderry comes from inland flooding, and overall the risk is moderate for a U.S. community. Flood insurance has paid 31 claims here since 1981. 5 federal disasters brought FEMA money into town.

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

How exposed is Londonderry?

54
Moderate
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Londonderry to be higher than in 54% of U.S. communities, mostly from inland flooding.

Inland flooding78%Cold waves11%Everything else12%
By hazard

What Londonderry faces

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

Inland flooding

78% of expected damage
Well above average · higher than 78% of U.S. places
Recorded about 2 times a year in the area

Cold waves

11% of expected damage
Below average · higher than 42% of U.S. places
Recorded about 4 times a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherHeat wavesWildfireEarthquakesLandslidesStrong 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 Londonderry flood?

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

31paid claims since 1981
$1.6Mpaid to owners
2homes flooded more than once
19812026

Biggest named events

  • Hurricane Irene: 10 claims, $589K
  • Vermont/New York Flooding: 8 claims, $797K
  • December Nor'easter: 1 claim, $25K

Homes that flooded again and again

■ FEMA “severe repetitive loss” (1) ■ flooded 2+ times

of homes in flood zones
are insured
of all homes
are insured
No community discount. Londonderry isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Windham County.

What’s been done with FEMA grants

5flood-prone properties bought out and cleared
2buildings floodproofed
1homes raised above flood level
Disasters that hit Londonderry

5 federal disasters brought FEMA money here

Disasters the President declared that paid out in Londonderry itself: aid to households, or repair grants to the Town of Londonderry.

Brought FEMA money into LondonderryDeclared for Windham County only
2023

Severe Storms, Flooding, Landslides, and Mudslides

45 households applied for aid $231K aid approved $1.6M to the Town of Londonderry for repairs
2011

Tropical Storm Irene

50 households applied for aid $163K aid approved $195K to the Town of Londonderry for repairs
2007

Severe Storms and Flooding

$27K to the Town of Londonderry for repairs
2003

Severe Storms and Flooding

$12K to the Town of Londonderry for repairs
2001

Snow

$3K to the Town of Londonderry for repairs
Windham County has had 21 natural disasters declared since 1953, most often severe storms and floods.
Around Londonderry

Londonderry and the towns around it

Windham: High, mostly inland floodingLandgrove: Very low, mostly inland floodingWinhall: Very low, mostly inland floodingWeston: Low, mostly inland floodingGrafton: High, mostly inland floodingTownshend: High, mostly inland floodingChester: High, mostly inland floodingJamaica: High, mostly inland floodingAndover: Low, mostly inland floodingPeru: Very low, mostly inland floodingManchester: Low, mostly inland floodingStratton: Very low, mostly inland floodingSunderland: High, mostly inland floodingDorset: Low, mostly inland floodingMount Tabor: Moderate, mostly inland floodingMount Holly: Moderate, mostly inland floodingLondonderry: Moderate, mostly inland flooding LondonderryWindhamLandgroveWinhallWeston
Very lowLowModerateHighVery high
Windhammostly inland floodingHigh
Londonderrymostly inland floodingModerate
Westonmostly inland floodingLow
Landgrovemostly inland floodingVery low
Winhallmostly 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. Londonderry covers 1 census tract, combined by population.
Money that reached townFlood claims are matched to Londonderry’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Londonderry. 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 Londonderry total about $1.1M 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/15 · 2025-01-01
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