FEMA flood zones · Nebraska

Wayne County, Nebraska Flood Zone Map

5 flood insurance claims·$5,444 paid·4 federal flood & hurricane disasters

8% of Wayne 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 Wayne County, Nebraska. 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 Wayne County floods

Flash flooding driven by severe thunderstorms and stationary weather systems dominates the flood risk in Wayne County, Nebraska. Over the last 30 years, NOAA records show 13 flash flood events compared to 2 general flood events. Recent activity includes isolated flash flooding on April 16, 2024, when prolonged moderate to heavy rain from stationary thunderstorms left several roads under water, particularly in rural portions of western Wayne County. A historic flood event also occurred on March 13, 2019, driven by a bomb cyclone that combined melting snow cover and frozen ground with 1 to 2.5 inches of rain over a 48-hour period.

Historical National Flood Insurance Program records show claims have been concentrated in specific areas, led by Zone A with 4 claims averaging a $2,722 payout and an average recorded water depth of 6 inches. An additional claim was recorded in Zone UNKNOWN with a $0 average payout and an average recorded water depth of 0 inches.

Homeowners, real estate agents, and journalists should pay the most attention to properties located within Zone A, where historical claims and measurable water depths have been documented during severe weather and heavy rainfall events.

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 6 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 2014, with 1 claims and $3,948 paid, the year of Severe Storms, Tornadoes, Straight-line Winds, and Flooding.

1980: 1 claims1998: 1 claims2003: 1 claims2007: 1 claims2014: 1 claims1980199020002010

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

9 NOAA storm reports from Wayne County describe what happened, in the words of the forecasters who covered it. Read the Nebraska flood stories →

Federal disasters

18 federal disaster declarations since 1967, 4 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Storms And Straight-line WindsMay 12, 2022
Severe Winter Storm, Straight-line Winds, And FloodingMar 9, 2019
Severe Storms, Tornadoes, Straight-line Winds, And FloodingJun 17, 2018
Severe Storms, Tornadoes, And Straight-line WindsJun 12, 2017
Severe Storms, Tornadoes, Straight-line Winds, And FloodingMay 6, 2015
Severe Storms, Tornadoes, Straight-line Winds, And FloodingJun 14, 2014
Severe Storms, Winter Storms, Tornadoes And FloodingOct 2, 2013
Severe Storms And FloodingJun 1, 2010

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

Recorded flood events

15 since 1996: 13 flash floods and 2 river or area floods.

EventDateDamage
Flash FloodApr 16, 2024$2.0M
Flash FloodApr 16, 2024—
Flash FloodJun 15, 2024—
Flash FloodMar 13, 2019$1.3M
FloodMar 13, 2019—
Flash FloodJun 25, 2018—
Flash FloodAug 25, 2017$10,000
Flash FloodJun 30, 2014$50,000

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

From the storm reports

Flash Flood · Apr 16, 2024. At midnight on the 16th, non-severe thunderstorms were ongoing across portions of northeast Nebraska and western Iowa. With these storms being rooted in a nearly stationary boundary co-located with the exit region of a low-level jet, this area saw prolonged periods of moderate to heavy rain. This resulted in isolated instances of flash flooding, especially for rural portions of western Wayne County where several r…

Flash Flood · Jun 15, 2024. On the morning of the 15th, upper air analysis showed a shortwave trough centered over the High Plains. At the surface, a warm front draped across the Plains slowly lifted north throughout the day, eventually stalling out across eastern Nebraska and down into northwestern Missouri. That afternoon, two areas of thunderstorm development was noted, one in northeast Kansas and another in northeast Nebraska. The thunde…

Flash Flood · Mar 13, 2019. A 971mb bomb cyclone moved out of the central Rockies on Wednesday, March 13, 2019 and helped to create widespread, moderate to major, and in many cases historic, flooding across eastern Nebraska and western Iowa. From 4 to 15 inches of snow cover remained across the mid Missouri River valley, and the ground was frozen with existing frost depths of 15 to 23 inches. Warm temperatures allowed all of the snow to rapi…

Flood · Mar 13, 2019. A 971mb bomb cyclone moved out of the central Rockies on Wednesday, March 13, 2019 and helped to create widespread, moderate to major, and in many cases historic, flooding across eastern Nebraska and western Iowa. From 4 to 15 inches of snow cover remained across the mid Missouri River valley, and the ground was frozen with existing frost depths of 15 to 23 inches. Warm temperatures allowed all of the snow to rapi…

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 Wayne County

If a building in Wayne 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.