65 flood insurance claims·$686,045 paid·3 federal flood & hurricane disasters
Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.
Shaded areas are FEMA’s mapped flood hazard zones in and around Walker County, Alabama. 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.
Flash flooding driven by heavy rainfall events dominates the local flood history, accounting for 33 of the 40 recorded flood events in the NOAA database over the last 30 years, alongside lesser impacts from river floods, tropical storms, and tropical depressions.
Recent weather patterns illustrate these localized threats, such as a slow-moving cold front that produced heavy rainfall averaging two to three inches in February 2022, and a stationary upper-level system that brought extensive flash flooding on October 6, 2021. Additional flooding occurred on March 1, 2024, driven by a surface low and a heavy rain band moving across the region.
National Flood Insurance Program records show claims occurring across multiple designations, requiring attention from various property owners. Zone A policyholders filed 39 claims with an average payout of $9,870 and an average recorded water depth of 5 inches. Meanwhile, properties in Zone X recorded 18 claims with an average payout of $23,312 and an average water depth of 9 inches, and Zone X Unshaded recorded 5 claims with an average payout of $13,984 and an average water depth of 1 inch. Homeowners in these mapped zones, as well as properties with limited elevation data, should evaluate their specific flood risk.
Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.
11% of Walker County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.
45 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.
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.
The worst year was 2009, with 16 claims and $215,660 paid.
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.
8 NOAA storm reports from Walker County describe what happened, in the words of the forecasters who covered it. Read the Alabama flood stories →
25 federal disaster declarations since 1973, 3 of them floods, coastal storms or hurricanes.
| Disaster | Began |
|---|---|
| Hurricane Helene | Sep 22, 2024 |
| Hurricane Sally | Sep 14, 2020 |
| Severe Thunderstorms | Apr 12, 2020 |
| Hurricane Irma | Sep 8, 2017 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Dec 23, 2015 |
| Severe Storms, Tornadoes, And Straight-line Winds | Apr 27, 2011 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Apr 15, 2011 |
| Severe Storms, Tornadoes, Straight-line Winds, And Flooding | Apr 24, 2010 |
Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.
40 since 1996: 33 flash floods and 3 river or area floods.
| Event | Date | Damage |
|---|---|---|
| Flood | Mar 1, 2024 | — |
| Flash Flood | Feb 23, 2022 | — |
| Flash Flood | Mar 31, 2021 | — |
| Flash Flood | Oct 3, 2021 | — |
| Flash Flood | Apr 12, 2020 | — |
| Flash Flood | Jul 16, 2018 | — |
| Flood | Dec 26, 2015 | — |
| Flash Flood | Dec 25, 2015 | — |
— = no damage estimate in the record. Source: NOAA Storm Events Database.
Flood · Mar 1, 2024. A shortwave trough approaching the Mississippi Valley from the central Great Plains, along with a surface low in the northwestern Gulf of Mexico and stationary boundary along the Gulf Coast, contributed to widespread showers moving across Central Alabama during the morning hours of March 1. A ridge located over the East Coast promoted easterly surface winds across the area, with temperatures in the upper 40s to lo…
Flash Flood · Feb 23, 2022. A line of thunderstorms ahead of a slow moving cold front produced periods of heavy rainfall over a several period over the northwest portions of central Alabama. Rainfall totals averaged 2-3 inches.
Flash Flood · Mar 31, 2021. A warm front moved pushed northward into north Central Alabama late on March 30th and into the early morning hours on March 31st. A low pressure area developed along the warm front and tracked from west to east across northern Alabama. This feature pooled instability just south of the front and added just enough shear for some rotating and organized storms. Subsequently, three weak and short-lived tornadoes devel…
Flash Flood · Oct 3, 2021. An upper level trough just west of the Mississippi River on October 3rd become stationary and evolved into a closed upper low by October 5th. The closed upper low remained nearly stationary for 48 hours and before finally lifting northward on October 7th. This system brought a variety of severe weather across Central Alabama over a five day period, including wind damage, large hail and extensive flash flooding. Th…
National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.
Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.
If a building in Walker 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.