FEMA flood zones · North Carolina

Henderson County, North Carolina Flood Zone Map

442 flood insurance claims·$29.5M paid·4 federal flood & hurricane disasters

6% of Henderson County’s area is in FEMA’s high-risk flood zones, and another 1% in shaded X (mostly the 0.2% floodplain and areas behind levees).

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 Henderson County, North Carolina. 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 Henderson County floods

Flash flooding and general flooding from storm events dominate the flood profile of Henderson County, with NOAA records indicating 62 flash flood events resulting in 7 deaths, 44 flood events, and 2 tropical storm events over the last 30 years. Recent impacts include severe weather events in September 2024, when Tropical Cyclone Helene interacted with a slow-moving cold front to produce widespread heavy rain showers and embedded thunderstorms across the southern Appalachians.

National Flood Insurance Program records show claims across multiple zones, with the highest volume occurring in Zone A with 310 claims averaging an $81,241 payout and an average recorded water depth of 10 inches. Properties in Zone X recorded 102 claims with an average payout of $94,959 and an average water depth of 31 inches. Additional claims occurred in Zone UNKNOWN (11 claims, average payout of $2,997, average water depth of 2 inches), Zone X_UNSHADED (11 claims, average payout of $26,449, average water depth of 11 inches), and Zone X_SHADED (8 claims, average payout of $7,143, average water depth of 9 inches). Homeowners, real estate agents, and journalists should pay the closest attention to properties located in Zone A and Zone X, which account for the vast majority of historical insurance claims and payouts in the county.

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

Where the flood claims came from

6% of Henderson County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

329 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.

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 13 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 2024, with 217 claims and $26.8M paid, the year of Hurricane Helene.

1978: 2 claims1979: 10 claims1983: 5 claims1987: 1 claims1989: 1 claims1990: 3 claims1991: 6 claims1992: 5 claims1994: 10 claims1995: 7 claims1996: 5 claims1997: 1 claims1998: 13 claims2003: 1 claims2004: 30 claims2005: 9 claims2006: 5 claims2007: 2 claims2009: 9 claims2010: 11 claims2011: 3 claims2012: 2 claims2013: 11 claims2015: 1 claims2016: 1 claims2017: 7 claims2018: 26 claims2019: 10 claims2020: 9 claims2021: 12 claims2022: 3 claims2023: 1 claims2024: 217 claims2025: 2 claims2026: 1 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

40 NOAA storm reports from Henderson County describe what happened, in the words of the forecasters who covered it. Read the North Carolina flood stories →

Federal disasters

18 federal disaster declarations since 1977, 4 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Winter StormJan 21, 2026
Hurricane HeleneSep 25, 2024
Tropical Storm HeleneSep 25, 2024
Hurricane IanSep 28, 2022
Hurricane IsaiasJul 31, 2020
Hurricane DorianSep 1, 2019
Hurricane FlorenceSep 7, 2018
Party Rock FireNov 11, 2016

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

Recorded flood events

108 since 1996: 62 flash floods and 44 river or area floods.

EventDateDamage
Flash FloodJul 30, 2024$100,000
FloodSep 27, 2024$1.0M
Tropical StormSep 27, 2024$20.0M
Flash FloodSep 26, 2024$200.0M · 7 killed
FloodSep 26, 2024$5,000
Flash FloodSep 26, 2024$10,000
Flash FloodSep 25, 2024$5,000
Flash FloodJul 21, 2024$1,000

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

From the storm reports

Flash Flood · Jul 30, 2024. Scattered to numerous thunderstorms developed across western North Carolina, mainly during the late afternoon and evening. Several of the storms produced brief swaths of damaging wind gusts. Meanwhile, training thunderstorms resulted in very heavy rainfall and flash flooding in Henderson County.

Flood · Sep 27, 2024. Tropical Cyclone Helene began organizing over the western Caribbean on the 23rd and 24th of September before rapidly intensifying as it moved north through the eastern Gulf of Mexico on the 25th and 26th. A plume of moisture extending from the intensifying storm interacted with a slow-moving cold front to produce a band of widespread heavy rain showers and embedded scattered thunderstorms over the southern Appalac…

Tropical Storm · Sep 27, 2024. Tropical Cyclone Helene began organizing over the western Caribbean on the 23rd and 24th of September before rapidly intensifying as it moved north through the eastern Gulf of Mexico on the 25th and 26th. A plume of moisture extending from the intensifying storm interacted with a slow-moving cold front to produce a band of widespread heavy rain showers and embedded scattered thunderstorms over the southern Appalac…

Flash Flood · Sep 26, 2024. Tropical Cyclone Helene began organizing over the western Caribbean on the 23rd and 24th of September before rapidly intensifying as it moved north through the eastern Gulf of Mexico on the 25th and 26th. A plume of moisture extending from the intensifying storm interacted with a slow-moving cold front to produce a band of widespread heavy rain showers and embedded scattered thunderstorms over the southern Appalac…

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 Henderson County

If a building in Henderson 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.