FEMA flood zones · Pennsylvania

Fulton County, Pennsylvania Flood Zone Map

16 flood insurance claims·$362,846 paid·7 federal flood & hurricane disasters

4% of Fulton County’s area is in FEMA’s high-risk flood zones.

Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.

Coastal high risk (V, VE)FloodwayHigh risk (A, AE)Moderate (X, 500-year)Minimal (X)Undetermined (D)

Shaded areas are FEMA’s mapped flood hazard zones in and around Fulton County, Pennsylvania. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.

How Fulton County floods

Flash flooding and river flooding from summer thunderstorms dominate the flood risk in Fulton County, Pennsylvania. According to NOAA Storm Events Database records from the last 30 years, the county experienced 15 flash flood events, 13 flood events resulting in 1 death, and 1 tropical storm.

Recent weather patterns illustrate this hazard. For example, a slow-moving surface warm front on June 17, 2025, produced numerous instances of flash flooding and road closures from slow-moving showers and thunderstorms in an anomalously moist environment. Additionally, a mid-level shortwave coupled with a low-level warm front on July 16, 2025, brought ample moisture and efficient rainfall rates that caused flooding across hydrologically sensitive areas.

FEMA National Flood Insurance Program records indicate that property owners in Zone A should pay the most attention to flood risk, as this zone accounts for the vast majority of claims with 14 filed, an average payout of $21,725, and an average recorded water depth of 30 inches. Properties in Zone X and unknown zones have accounted for minimal claims.

Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.

How deep the water got

outlet80″ door12″24″36″48″60″72″84″

In flood insurance claims here that reported a flood depth, the average was 30 inches.

Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.

Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.

Flood claims, year by year

The worst year was 2004, with 8 claims and $303,984 paid, the year of Severe Storms and Flooding Associated With Tropical Depression Frances and Tropical Depression Ivan.

1981: 1 claims1996: 5 claims2004: 8 claims2021: 2 claims19801990200020102020

Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.

In their words

11 NOAA storm reports from Fulton County describe what happened, in the words of the forecasters who covered it. Read the Pennsylvania flood stories →

Federal disasters

17 federal disaster declarations since 1972, 7 of them floods, coastal storms or hurricanes.

DisasterBegan
Remnants Of Hurricane IdaAug 31, 2021
Severe Winter Storm And SnowstormJan 22, 2016
Hurricane SandyOct 26, 2012
Remnants Of Tropical Storm LeeSep 3, 2011
Severe Winter Storms And SnowstormsFeb 5, 2010
Hurricane KatrinaAug 29, 2005
Tropical Depression IvanSep 17, 2004
Severe Storms And Flooding Associated With Tropical Depression FrancesSep 8, 2004

Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.

Recorded flood events

29 since 1996: 15 flash floods and 13 river or area floods.

EventDateDamage
Flash FloodJun 17, 2025—
FloodJul 16, 2025—
FloodMay 14, 2025—
FloodMay 13, 2025—
Flash FloodAug 21, 2022—
FloodApr 11, 2021— · 1 killed
Flash FloodJun 1, 2018—
FloodJan 25, 2010—

— = no damage estimate in the record. Source: NOAA Storm Events Database.

From the storm reports

Flash Flood · Jun 17, 2025. A slow-moving surface warm front stationed across western Pennsylvania allowed for slow-moving showers and thunderstorms to form across southwestern Pennsylvania in an environment of anomalously moist air with long, skinny CAPE and enhanced low-level shear. Showers and thunderstorms across southwestern Pennsylvania initially formed during the early afternoon hours and continued into the evening hours, producing nu…

Flood · Jul 16, 2025. Mid-level shortwave approaching the region, coupled with a low-level warm front, allowed for ample lift across central Pennsylvania during the late afternoon and evening hours of July 16, 2025. Ample moisture in place, with precipitable water values in the 1.80 to 2.20 range and very little deep-layer shear promoted slow-moving showers and thunderstorms with efficient rainfall rates across much of the area. Floodi…

Flood · May 14, 2025. A deep stream of moisture was pulled northwestward from the Atlantic Ocean into the mountains of south-central Pennsylvania around an upper level low centered over the Ohio Valley during the afternoon and evening hours of May 13. 2025. This led to extensive flooding and flash flooding across Somerset County and southwestern Bedford County, and more sporadic flooding from the remainder of Bedford County eastward in…

Flood · May 13, 2025. A deep stream of moisture was pulled northwestward from the Atlantic Ocean into the mountains of south-central Pennsylvania around an upper level low centered over the Ohio Valley during the afternoon and evening hours of May 13. 2025. This led to extensive flooding and flash flooding across Somerset County and southwestern Bedford County, and more sporadic flooding from the remainder of Bedford County eastward in…

National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.

The zones you’ll see on the map

Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.

Cross-section of a river floodplainDiagram: a river valley. The floodway is the channel and the land beside it; the 1%-annual-chance flood surface (the base flood elevation) covers the valley floor as zone A or AE; a narrow band higher up is shaded X, the 0.2% floodplain; higher ground is X.0.2% CHANCE A YEAR (500-YEAR)BASE FLOOD ELEVATION · 1% A YEARXAEFloodwayAEX
  1. A / AE Inside the 1%-a-year floodplain: about a 26% chance of flooding over a 30-year mortgage. AE has a mapped base flood elevation; plain A does not.
  2. Floodway The channel and the land beside it that has to be kept clear enough to carry the flood. Building here is tightly limited.
  3. X shaded The 0.2% (500-year) floodplain, plus some levee-protected and very shallow flood areas.
  4. X Outside both lines. No federal requirement to insure, which is not the same as no risk.

Every flood zone code explained →

Flood insurance in Fulton County

If a building in Fulton County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.

Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.