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Natural hazards · Marlow

Marlow, NH natural hazards

Most of the natural-hazard damage FEMA expects in Marlow comes from inland flooding, and overall the risk is high for a U.S. community. Flood insurance has paid 6 claims here since 1987. 11 federal disasters brought FEMA money into town.

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

How exposed is Marlow?

67
High
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Marlow to be higher than in 67% of U.S. communities, mostly from inland flooding.

Inland flooding78%Everything else23%
By hazard

What Marlow 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 86% of U.S. places
Recorded about once a year in the area

Lower here

HurricanesTornadoesHailIce stormsWinter weatherCold wavesHeat wavesWildfireEarthquakesLandslidesStrong windLightningAvalanches

Not a risk here

Coastal floodingDroughtTsunamisVolcanic 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 Marlow flood?

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

6paid claims since 1987
$153Kpaid to owners
1homes flooded more than once
19872026

Homes that flooded again and again

■ FEMA “severe repetitive loss” (0) ■ flooded 2+ times

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

11 federal disasters brought FEMA money here

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

Brought FEMA money into MarlowDeclared for Cheshire County only
2023

Severe Storms and Flooding

$14K to the Town of Marlow for repairs
2021

Severe Storm and Flooding

$23K to the Town of Marlow for repairs
2013

Severe Storms, Tornadoes, and Flooding

$23K to the Town of Marlow for repairs
2013

Severe Winter Storm and Snowstorm

$3K to the Town of Marlow for repairs
2012

Hurricane Sandy

$1K to the Town of Marlow for repairs
2012

Severe Storm and Flooding

$4K to the Town of Marlow for repairs
2008

Severe Winter Storm

$29K to the Town of Marlow for repairs
2007

Severe Storms and Flooding

$11K to the Town of Marlow for repairs
2005

Severe Storms and Flooding

11 households applied for aid $15K aid approved $47K to the Town of Marlow for repairs
2005

Record Snow

$5K to the Town of Marlow for repairs
2005

Record And/Or Near Record Snow

$2K to the Town of Marlow for repairs
Cheshire County has had 27 natural disasters declared since 1953, most often floods and severe storms.
Around Marlow

Marlow and the towns around it

Gilsum: High, mostly inland floodingAlstead: High, mostly inland floodingWashington: High, mostly inland floodingLempster: High, mostly inland floodingSullivan: High, mostly inland floodingSurry: High, mostly inland floodingKeene: High, mostly inland floodingLangdon: High, mostly inland floodingWalpole: Moderate, mostly inland floodingAcworth: High, mostly inland floodingBradford: High, mostly inland floodingGoshen: High, mostly inland floodingWindsor: High, mostly inland floodingHillsborough: High, mostly inland floodingStoddard: High, mostly inland floodingUnity: High, mostly inland floodingMarlow: High, mostly inland flooding MarlowGilsumAlsteadWashingtonLempster
Very lowLowModerateHighVery high
Marlowmostly inland floodingHigh
Gilsummostly inland floodingHigh
Alsteadmostly inland floodingHigh
Washingtonmostly inland floodingHigh
Lempstermostly inland floodingHigh
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. Marlow is smaller than a census tract, so it shares the figures of the tract around its center.
Money that reached townFlood claims are matched to Marlow’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Town of Marlow. FEMA’s model follows property values, so a place that recently lost many homes can rate lower than it feels.

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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