TownTapestry
Sign inJoin
Upper AllenGood afternoon
Natural hazards · Upper Allen

Upper Allen, PA natural hazards

Most of the natural-hazard damage FEMA expects in Upper Allen comes from inland flooding, and overall the risk is very low for a U.S. community. Flood insurance has paid 34 claims here since 1978.

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

How exposed is Upper Allen?

16
Very low
vs. U.S. communities

FEMA expects yearly storm and flood damage to homes and buildings in Upper Allen to be higher than in 16% of U.S. communities, mostly from inland flooding.

Inland flooding66%Hurricanes10%Strong wind6%Tornadoes5%Heat waves5%Everything else9%
By hazard

What Upper Allen faces

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

Inland flooding

66% of expected damage
Below average · higher than 31% of U.S. places
Recorded about 2 times a year in the area

Hurricanes

10% of expected damage
Well above average · higher than 78% of U.S. places
Recorded about once every 14 years in the area

Strong wind

6% of expected damage
Below average · higher than 35% of U.S. places
Recorded about 5 times a year in the area

Tornadoes

5% of expected damage
Below average · higher than 49% of U.S. places

Heat waves

5% of expected damage
Well below average · higher than 12% of U.S. places
Recorded about 5 times a year in the area

Lower here

HailIce stormsWinter weatherCold wavesWildfireEarthquakesLandslidesLightningDrought

Not a risk here

Coastal floodingAvalanchesTsunamisVolcanic 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 Upper Allen flood?

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

34paid claims since 1978
$152Kpaid to owners
4homes flooded more than once
19782026

Biggest named events

  • Not a named storm: 8 claims, $24K

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. Upper Allen isn’t in FEMA’s Community Rating System, which cuts flood insurance up to 45% in towns that do extra flood-proofing.
Insurance rates: Cumberland County.
Disasters that hit Upper Allen

Federal disasters declared here

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

Brought FEMA money into Upper AllenDeclared for Cumberland County only
Cumberland County has had 16 natural disasters declared since 1953, most often floods and winter storms.
Around Upper Allen

Upper Allen and the towns around it

Monaghan: Low, mostly inland floodingMechanicsburg: Very low, mostly inland floodingCarroll: Very low, mostly inland floodingMonroe: Low, mostly inland floodingLower Allen: Low, mostly inland floodingFairview: Low, mostly inland floodingWarrington: Low, mostly inland floodingSilver Spring: Moderate, mostly inland floodingHampden: Low, mostly inland floodingFranklin: Very low, mostly inland floodingSouth Middleton: Low, mostly inland floodingMiddlesex: Very low, mostly inland floodingNew Cumberland: Very high, mostly inland floodingLemoyne: Low, mostly inland floodingShiremanstown: Very low, mostly inland floodingCamp Hill: Very low, mostly inland floodingNewberry: Moderate, mostly inland floodingSwatara: Low, mostly inland floodingLower Swatara: Low, mostly inland floodingLewisberry: Moderate, mostly inland floodingUpper Allen: Very low, mostly inland flooding Upper AllenMonaghanMechanicsburgCarrollMonroeLower AllenFairview
Very lowLowModerateHighVery high
Lower Allenmostly inland floodingLow
Monroemostly inland floodingLow
Monaghanmostly inland floodingLow
Fairviewmostly inland floodingLow
Mechanicsburgmostly inland floodingVery low
Upper Allenmostly inland floodingVery low
Carrollmostly 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. Upper Allen covers 5 census tracts, combined by population.
Money that reached townFlood claims are matched to Upper Allen’s own flood-insurance community; household aid to the registrant’s city; repair grants to the Township of Upper Allen. 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 Upper Allen total about $4.3M 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.

The door’s open

Where to, neighbor?

You’re in Upper Allen, PACumberland CountyView boundary

Nearby

All towns & citiesExplore the map

Local begins with a boundary.

See what belongs to your selected town.

Loading boundary…

Upper Allen is your selected town. The feed includes posts assigned to this town, not a distance radius or ZIP code.

Neighborhoods narrow the feed further, while townwide announcements, events, and issues remain visible.

Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/15 · 2025-01-01
Open detailed map