FEMA flood zones · Kansas

Republic County, Kansas Flood Zone Map

9 flood insurance claims·$98,319 paid·2 federal flood & hurricane disasters

11% of Republic 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 Republic County, Kansas. 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 Republic County floods

Flash flooding from summer thunderstorms dominates the flood risk profile in Republic County, Kansas, accounting for 24 out of 25 recorded flood events over the last 30 years.

Severe weather can escalate quickly, as demonstrated by saturated soils from previous rainfall that triggered widespread flash flooding across the region on May 27, 2016, and a subsequent heavy storm system that produced flash flooding on July 26, 2020.

Property owners in specific FEMA-designated zones should pay the most attention to this risk, particularly those in Zone A, which recorded 4 claims with an average payout of $20,604 and an average recorded water depth of 8 inches. Residents in Zone X_SHADED (3 claims, averaging $6,764 with an average water depth of 2 inches) and Zone X (2 claims, averaging $1,188 with an average water depth of 0 inches) have experienced fewer and less severe impacts, but localized heavy rainfall still warrants caution across all mapped areas.

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 2003, with 4 claims and $57,613 paid.

2003: 4 claims2015: 3 claims2018: 1 claims2019: 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

3 NOAA storm reports from Republic County describe what happened, in the words of the forecasters who covered it. Read the Kansas flood stories →

Federal disasters

17 federal disaster declarations since 1967, 2 of them floods, coastal storms or hurricanes.

DisasterBegan
Severe Storms And Straight Line WindsDec 15, 2021
Severe Storms, Tornadoes, Straight-line Winds, And FloodingMay 4, 2015
Severe Storms, Straight-line Winds, Tornadoes, And FloodingJul 22, 2013
Severe Storms, Straight-line Winds, Tornadoes, And FloodingMay 19, 2011
Severe Storms, Flooding, And TornadoesJun 7, 2010
Severe Winter Storms And SnowstormDec 22, 2009
Severe Winter StormNov 14, 2009
Severe Storms, Flooding And TornadoesMay 22, 2008

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

Recorded flood events

25 since 1996: 24 flash floods and 1 river or area floods.

EventDateDamage
Flash FloodJul 26, 2020—
Flash FloodJun 19, 2018—
Flash FloodMay 27, 2016—
Flash FloodMay 6, 2015—
Flash FloodJun 1, 2011—
Flash FloodJun 19, 2010—
Flash FloodJun 2, 2009$1,000
Flash FloodJun 1, 2009$1,000

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

From the storm reports

Flash Flood · Jul 26, 2020. Flash flooding occurred in several counties following a batch of strong thunderstorms in north-central KS. An isolated storm in Franklin County also caused flooding.

Flash Flood · Jun 19, 2018. A complex of thunderstorms pushed southeast across the CWA producing numerous damaging wind reports.

Flash Flood · May 27, 2016. Saturated soils from the previous days' rainfall led to flash-flooding across north-central Kansas as a complex of thunderstorms moved through during the afternoon and evening.

Flash Flood · May 6, 2015. Approximately 14 tornadoes were documented and confirmed via reports and radar data all occurring during the late afternoon and evening of May 6th. The tornadoes impacted Republic, Cloud, Washington and Clay Counties. In fact, 7 tornadoes alone occurred in Republic County. This was the largest one day outbreak of tornadoes in the past 10 years for NWS Topeka. The strongest tornado was an EF3 that destroyed a h…

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 Republic County

If a building in Republic 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.