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West Seneca, New York: natural disaster risk

How exposed West Seneca is to floods, storms and other hazards, from FEMA and NOAA records for Erie County.

Relatively High overall risk
45,303people
Inland floodingtop hazard
23federal declarations, Erie County
27tornadoes in the county since 1950
Photo: Tim Gerland, CC BY 2.0

West Seneca is a community of 45,303 people in Erie County, New York. FEMA's National Risk Index rates Erie County relatively high for natural hazards overall, higher than most of the US. The costliest hazards there are inland flooding, cold wave and tornado, with about $286 million in expected losses a year across the county. The weather service has logged 797 storm reports in the county since 1956, including 27 tornadoes and 153 floods. NOAA hurricane records show 0 hurricanes and 2 tropical storms passing within 65 miles of the county's center. About 0.4% of homes in the county carry federal flood insurance.

Risk figures are for Erie County. FEMA National Risk Index December 2025; NOAA Storm Events; US Census Bureau ACS 2020 to 2024. Updated November 6, 2026.

Top risks in West Seneca

Full Erie County report ›
$205 million a year in the county
  • Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
  • Price a flood policy now. Most new federal policies take 30 days to start.

Cold wave

Very High
$52.7 million a year in the county
  • Insulate pipes in outside walls, crawl spaces and garages.
  • Know how to shut off the main water valve.
$12.1 million a year in the county
  • Pick a shelter spot: a basement, or an inside room on the lowest floor with no windows.
  • Turn on emergency alerts on your phone and keep a weather radio.

All hazards

HazardRatingA year
Inland floodingHigh$205M
Cold waveVery High$53M
TornadoHigh$12M
Heat waveModerate$6M
EarthquakeLow$3M
Winter weatherVery High$2M
Ice stormHigh$1M
Strong windModerate$1M
LightningHigh$942K
HurricaneLow$649K
HailLow$181K
WildfireVery Low$97K

Homes in West Seneca

Median home value$232,800
Erie County median$233,800
Median year built1967
Built before 198073%
Mobile homes1.3%

Older homes and mobile homes usually take more damage in storms, floods and earthquakes. Ask about roof age, flood history and retrofits before you buy or rent.

Strongest tornadoes in Erie County

1970F33 hurt
1987F21 hurt
1961F2

Common questions about West Seneca

Is West Seneca safe from natural disasters?

West Seneca is in Erie County, which FEMA's National Risk Index rates relatively high overall, higher than most of the US. The biggest hazards are inland flooding, cold wave, tornado. No place is free of risk, so check the flood map and insurance for any home you consider.

What natural disasters happen in West Seneca?

By expected yearly losses in Erie County, the top hazards are inland flooding (High), cold wave (Very High), tornado (High). Erie County has been part of 23 federal disaster or emergency declarations for natural events.

Does West Seneca get tornadoes?

Yes. NOAA records list 27 tornadoes in Erie County since 1950; the strongest was an F3 tornado on August 19, 1970. FEMA rates tornado risk in the county high.

Do I need flood insurance in West Seneca?

Standard home insurance does not cover floods. In Erie County, about 0.4% of homes have federal flood insurance, and FEMA rates inland flooding risk high. Check the FEMA flood map for your address and get a quote even outside a high-risk zone.