FEMA flood zones · North Carolina

Ashe County, North Carolina Flood Zone Map

183 flood insurance claims·$7.3M paid·10 federal flood & hurricane disasters

3% of Ashe 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 Ashe 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 Ashe County floods

Flash flooding from severe summer thunderstorms dominates the flood profile of Ashe County, which recorded 70 flash flood events and 1 death alongside 20 standard flood events and 1 tropical storm over the last 30 years. Recent events illustrate this pattern, including an August 25 storm in West Jefferson that produced rainfall rates briefly reaching up to 6 inches per hour. Similarly, heavy runoff caused flash flooding across central Ashe County, including West Jefferson and Warrensville, on May 24 when about 3 inches of rain fell within one hour.

NFIP claim records demonstrate that flood risks extend beyond high-risk zones. Properties located in FEMA Zone A experienced 118 claims with an average payout of $62,463 and an average recorded water depth of 15 inches. Meanwhile, properties in Zone X recorded 39 claims with an average payout of $39,692 and an average recorded water depth of 8 inches. An additional 25 claims were filed in Zone UNKNOWN, averaging a $7,573 payout and an average recorded water depth of 2 inches, while Zone X_UNSHADED recorded 1 claim with a $0 payout and an average water depth of 1 inch. Homeowners, real estate agents, and journalists should pay the closest attention to properties situated in Zone A due to the higher average payouts and water depths, while also noting that properties in Zone X face tangible flood risks.

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

Where the flood claims came from

Less than 1% of Ashe County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

119 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 12 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 86 claims and $6.5M paid, the year of Hurricane Helene.

1978: 1 claims1979: 12 claims1981: 4 claims1983: 2 claims1984: 2 claims1989: 9 claims1992: 2 claims1994: 5 claims1995: 9 claims1996: 8 claims1998: 1 claims1999: 2 claims2001: 1 claims2003: 10 claims2004: 3 claims2007: 1 claims2010: 4 claims2011: 3 claims2012: 1 claims2013: 12 claims2016: 1 claims2017: 2 claims2019: 1 claims2020: 1 claims2024: 86 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

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

Federal disasters

26 federal disaster declarations since 1973, 10 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
Remnants Of Tropical Storm FredAug 16, 2021
Tropical Storm EtaNov 12, 2020
Hurricane IsaiasJul 31, 2020
Severe Storms, Tornadoes, And FloodingFeb 6, 2020

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

Recorded flood events

91 since 1996: 70 flash floods and 20 river or area floods.

EventDateDamage
Flash FloodAug 20, 2025—
Flash FloodJul 1, 2025$15,000
Flash FloodAug 30, 2024—
Flash FloodAug 29, 2024—
Flash FloodSep 27, 2024$116.0M · 1 killed
Flash FloodMay 26, 2024—
Flash FloodMay 26, 2024$25,000
Flash FloodApr 16, 2024—

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

From the storm reports

Flash Flood · Aug 20, 2025. A strong thunderstorm passed across the Town of West Jefferson, NC during the afternoon of August 20th, and produced rainfall rates briefly of up to 6 inches per hour. CREST Unit Streamflow during the event maxed out at around 850 cfs per mi^2, while the FLASH 1-hour ARI was observed at 5:20 pm EDT as high as a 25-year event.

Flash Flood · Jul 1, 2025. A cold front approaching the Appalachian Mountains combined with a hot and humid air mass to produce a severe thunderstorm in Wilkes County of northwest North Carolina. Damaging wind gusts from this storm blew down several trees and utility lines in the town of Wilkesboro.

Flash Flood · Aug 30, 2024. The cold front that was over the region on the 29th, made limited progress eastward on the 30th. This feature continued to serve as the focus for afternoon and evening shower and thunderstorm development. A few of these storms increased to severe levels causing damaging winds which downed trees. The storms were noted to have produced heavy downpours due to high rainfall rates, at times reaching 3 to 4 inches per…

Flash Flood · Aug 29, 2024. A strong cold front was centered over the region and was the trigger for showers and storms. One of these storms produced damaging winds which brought down three trees in northwest Ashe County. The same storm produced rain falling at rates of three to four inches per hour, with 2.5 to three inches falling during about a 60-75 minute period. MRMS FLASH data estimated the storm peaked at around a 40-year Average Re…

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 Ashe County

If a building in Ashe 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.