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County profile · FIPS 42051 · Pittsburgh, PA

Fayette County, PA: home risks and climate

FEMA’s National Risk Index rates Fayette County “Relatively Moderate” for overall risk relative to other US counties, 21st of 67 counties in Pennsylvania by risk score. No single hazard is rated Relatively High or Very High here. These are relative ratings, not probabilities.

County profile · Pennsylvania

Fayette County, PA

Overall riskRelatively Moderate
All 18 hazards for this countyrelative to other US counties, not a probability
Inland floodingRelatively Moderate
  • Look up your FEMA flood zone, and remember that "minimal hazard" zones still flood.
  • Raise or move valuables, the furnace and the water heater off a basement floor where you can.
  • Test the sump pump and its backup before the wet season.
TornadoRelatively Moderate
  • Pick the safe room: lowest floor, interior, no windows. Tell everyone in the house.
  • Keep shoes, a flashlight and a helmet for each person there.
  • Turn on wireless emergency alerts on every phone.
Strong windRelatively Moderate
  • Trim dead or overhanging branches before storm season.
  • Check that gutters, siding and roof edges are fastened tight.
  • Tie down or store outdoor furniture, grills and trampolines.
HailRelatively Moderate
  • Photograph the roof and siding now, so you have a dated before picture.
  • Ask about impact-rated (UL 2218 Class 4) shingles when the roof is replaced.
  • Know your policy’s wind and hail deductible in dollars.
LightningRelatively Moderate
  • Use surge protection for electronics; ask an electrician about a whole-home surge protector.
  • Keep trees near the house healthy and trimmed.
  • Unplug sensitive electronics before a storm if you can.
HurricaneRelatively Low
  • Fit storm shutters or pre-cut, labeled plywood panels and store the fasteners with them.
  • Photograph every room and your roof before the season starts, for your insurance file.
  • Know your evacuation zone and where you would go.
Heat waveRelatively Low
  • Service the AC before the hot season and clear the outdoor unit of debris.
  • Change the AC filter; a clogged filter cuts cooling.
  • Plan a cool place to go if the power or AC fails.
Winter weatherRelatively Low
  • Clean gutters so melting snow drains instead of forming ice dams.
  • Check attic insulation and air sealing; warm attics cause ice dams.
  • Keep a snow shovel, ice melt and a backup heat plan.
Ice stormRelatively Low
  • Trim limbs that could fall on the house or the service drop.
  • Plan for a multi-day power outage: heat, water, phone charging.
  • If you own a generator, know how to run it outdoors safely.
DroughtRelatively Low
  • Watch for new cracks in foundations, walls and door frames; drought shrinks clay soils.
  • Fix running toilets and dripping faucets.
  • If you have a well, know its depth and recent yield.
EarthquakeRelatively Low
  • Strap the water heater to the wall with two straps.
  • Secure tall furniture and TVs to studs.
  • Know how to shut off gas at the meter, and only do it if you smell gas.
LandslideRelatively Low
  • Watch for new cracks in the ground, tilting trees or fences, and doors that stick.
  • Keep gutters and drains directing water away from slopes.
  • Know the signs of a debris flow during heavy rain.
WildfireVery Low
  • Clear dead leaves and needles from gutters, the roof and under decks.
  • Keep the first 5 feet around the house free of anything that burns (mulch, firewood, plants).
  • Cover vents with 1/8-inch metal mesh to keep embers out.
Cold waveVery Low
  • Know where the main water shutoff is and that it turns.
  • Insulate pipes in unheated crawlspaces, garages and exterior walls.
  • Have the heating system checked before winter.
AvalancheVery Low
  • Know whether your home or access road crosses avalanche paths.
  • Follow local avalanche center forecasts in winter.
  • Keep supplies for being snowed in for several days.
Coastal floodingNot Applicable
TsunamiNot Applicable
Volcanic activityNot Applicable
Federal disaster declarations18latest: COVID-19 pandemic, Mar 2020
Flood-insurance claims, all years722NFIP v3, county total
Climate zone5ACool-humid (IECC 2021) · Cold region

Winterize outdoor faucets before ~Oct 24. Typical first 32°F night (50% date) at Morgantown Hart Fld, 39 km away. Last freeze ~Apr 23.

Radon Zone 2: moderate predicted indoor radon. EPA recommends testing every home, whatever the zone.

November plan, cool-humid climateAll 12 months
  1. This monthPress the test button on every smoke and CO alarm.
  2. This monthCheck the date on the back of every smoke and CO alarm.
  3. This monthLook under every sink and around toilets and the water heater for drips.
  4. This monthClean gutters and downspouts after the leaves are down.
  5. This monthGet winter gear ready: roof rake, shovel, ice melt and a backup heat plan.
  6. WatchLook in the attic with a flashlight after the first big storm of the season.
FEMA NRI December 2025 · OpenFEMA declarations v2 · NFIP v3 · PNNL IECC 2021 · EPA radon · NOAA 1991–2020Method
§ 01

What the records say

Plain-language summary of the numbers below, compared with Pennsylvania and the US.

By FEMA’s hazard scores (0 to 100, the share of US counties scoring lower), inland flooding scores 90.6, lightning scores 81.4 and hail scores 74.7 in Fayette County, and modeled expected annual losses from all hazards come to about $37.1 million a year across 128,759 residents.

There have been 18 federal disaster declarations covering Fayette County in the OpenFEMA record, close to the Pennsylvania county median of 18 and close to the national county median of 20; 2 came in the last ten years. The most recent was covid-19 pandemic (2020-03-30).

Fayette County is part of the Pittsburgh, PA metropolitan area.

Flood-insurance (NFIP) records list 722 claims in Fayette County, close to the Pennsylvania county median of 722, 143 of them in the last ten years. Of claims with a recorded zone, 21% were outside the mapped high-risk flood zone.

Fayette County sits in climate zone 5A (cool-humid) in the cold Building America region and EPA radon zone 2.

At Morgantown Hart Fld (39 km from the county’s center), the typical first 32°F night is around Oct 24 and the last around Apr 23 (50% dates, 1991–2020), which sets when to winterize outdoor faucets.

§ 02

All 18 hazards

FEMA National Risk Index December 2025. Ratings and scores are relative to other US counties, not probabilities. Expected annual loss is FEMA’s modeled average across buildings, people and agriculture.

HazardRisk ratingRisk scoreExpected annual lossRecorded eventsPrepare
Inland floodingRelatively Moderate90.6$32.3M99Checklist
LightningRelatively Moderate81.4$604,720233,322Checklist
HailRelatively Moderate74.7$537,30497Checklist
TornadoRelatively Moderate68.8$1.9M11Checklist
Strong windRelatively Moderate66.1$674,95187Checklist
LandslideRelatively Low87.1$30,557—Checklist
EarthquakeRelatively Low60.7$364,262—Checklist
HurricaneRelatively Low60.1$166,81910Checklist
Winter weatherRelatively Low58.2$66,999352Checklist
Ice stormRelatively Low51.3$70,19122Checklist
Heat waveRelatively Low44.1$217,57525Checklist
DroughtRelatively Low44.0$74,41821Checklist
AvalancheVery Low59.8$1,0990Checklist
WildfireVery Low45.2$27,158—Checklist
Cold waveVery Low8.5$45,74868Checklist
Coastal floodingNot Applicable———Checklist
TsunamiNot Applicable———Checklist
Volcanic activityNot Applicable———Checklist
FEMA NRI December 2025 · countiesOverall: Relatively Moderate · social vulnerability Relatively High · community resilience Relatively High
§ 03

Federal disaster declarations

Each county-level declaration in OpenFEMA DisasterDeclarationsSummaries v2, counted once per disaster number.

Declarations since 1953182 in the last ten years · most common: snowstorm (5), severe storm (4), flood (4)
195319902026
DeclaredEventType
2020-03-30COVID-19 pandemicDR · Biological
2020-03-13COVID-19EM · Biological
2016-03-23Severe winter storm and snowstormDR · Snowstorm
2013-10-01Severe storms, tornadoes, and floodingDR · Severe Storm
2012-10-29Hurricane SandyEM · Hurricane
2010-04-16Severe winter storms and snowstormsDR · Snowstorm
2005-09-10Hurricane KatrinaEM · Hurricane
2004-09-19Tropical depression ivanDR · Hurricane
2004-09-19Severe storms and flooding associated with tropical depression francesDR · Severe Storm
2003-03-14SnowEM · Severe Storm
1996-01-21Severe storms and floodingDR · Flood
1996-01-13Blizzard of 96DR · Snowstorm

Showing the 12 most recent of 18.

§ 04

Flood-insurance claims (NFIP)

Claims filed under the National Flood Insurance Program, from FEMA’s NfipClaims v3 dataset (all years on file), by year of loss.

Claims, all years722143 in the last ten years · peak year 1996 (132)
197820022026

Inside vs outside the mapped high-risk zone

Zones A and V: 488 (79%)Zones B, C and X: 133 (21%)

By the rated flood zone recorded on each claim. Claims outside the high-risk zone are a reminder that “minimal hazard” is not “no hazard”. Check your own zone with an address in the Snapshot.

§ 05

Climate, radon and freeze

IECC 2021 climate zone5AThe Great Lakes, the lower Midwest and much of New England and New York: cold winters and humid summers.Zone 5A guidancePNNL · IECC 2021
Building America regionColdHeating season dominates. Freeze protection, ice dams and furnace care are the big-ticket risks.November maintenance for this region
EPA radon zone2Moderate predicted indoor radon (2 to 4 pCi/L). EPA recommends testing every home.EPA map of radon zones
Typical first / last freezeOct 24 / Apr 2350% probability dates for 32°F at Morgantown Hart Fld (USW00013736), 39 km from the county’s center.NOAA 1991–2020 normals
§ 06

This month’s plan for Fayette County

Region tasks plus this county’s hazard ratings and freeze dates. Add your ZIP and systems on the Home Plan page to subscribe in your calendar.

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November7 tasks

  1. This month
    Press the test button on every smoke and CO alarm.

    An alarm you have not heard in months may have a dead battery or sensor. NFPA recommends testing smoke alarms at least once a month.

    How

    Hold the test button until it sounds. Anything silent or chirping: replace the battery, or the whole alarm if it is past its date.

    MonthlyEvery homeNFPA: Smoke alarms
  2. This month
    Check the date on the back of every smoke and CO alarm.

    Smoke alarms wear out: NFPA advises replacing them 10 years after the manufacture date. CO alarms have their own end-of-life date printed on them.

    How

    Twist each alarm off its base and read the date. Replace any past its life; swap batteries in alarms that take them.

    YearlyEvery homeNFPA: Smoke alarms
  3. This month
    Look under every sink and around toilets and the water heater for drips.

    Slow leaks rot cabinets and subfloors long before they show. Catching one early is a washer, not a floor.

    How

    Use a flashlight: feel supply lines and the shutoff valves, look for stains, warped cabinet floors or a toilet that rocks.

    Every 3 monthsEvery home
  4. This month
    Clean gutters and downspouts after the leaves are down.

    Blocked gutters overflow at the foundation, rot fascia and, in cold climates, help ice dams form.

    How

    From a stable ladder (with a helper), scoop debris, then flush each downspout with a hose. Extensions should drop water 4 to 6 feet from the house.

    Twice a yearCold climate region
  5. This month
    Get winter gear ready: roof rake, shovel, ice melt and a backup heat plan.

    The first storm empties hardware-store shelves.

    How

    Choose ice melt rated for your walkway material, and plan a safe backup heat source in case of a long outage.

    YearlyCold climate regionReady.gov: Winter weather
  6. Watch
    Look in the attic with a flashlight after the first big storm of the season.

    Stains on the roof deck, wet insulation or daylight around vents show leaks early, and droppings show pests.

    How

    Stay on the joists. Look around chimneys, vent pipes and valleys, the places most leaks start.

    YearlyEvery home
  7. Watch
    Stock a power-outage kit: flashlights, batteries, water, a battery radio.

    Winter storms bring multi-day outages.

    How

    Keep it in one bin. Add a phone power bank and a list of medicines that need power or refrigeration.

    YearlyCold climate regionReady.gov: Winter weather

December3 tasks

  1. This month
    Press the test button on every smoke and CO alarm.

    An alarm you have not heard in months may have a dead battery or sensor. NFPA recommends testing smoke alarms at least once a month.

    How

    Hold the test button until it sounds. Anything silent or chirping: replace the battery, or the whole alarm if it is past its date.

    MonthlyEvery homeNFPA: Smoke alarms
  2. This month
    Keep the furnace and water-heater intake and exhaust vents clear of snow.

    High-efficiency appliances vent through plastic pipes on the side wall. If drifting snow blocks them the appliance shuts down, or exhaust can back up.

    How

    After each storm, clear the pipes and a foot around them. Keep CO alarms working on every level.

    SeasonalCold climate regionCPSC: Carbon monoxide
  3. Watch
    Degrease the range-hood filter.

    Grease-clogged hood filters stop pulling smoke and grease out of the kitchen and can feed a stovetop fire.

    How

    Pop the metal filter out and soak it in hot water with dish soap and baking soda, or run it through the dishwasher if the maker allows.

    Every 3 monthsEvery home
§ 07

Neighbouring counties

Information, not insurance, legal or engineering advice. Ratings describe the county as a whole; your address can differ. Found an error? Send a correction.