FEMA flood zones · Florida

Madison County, Florida Flood Zone Map

84 flood insurance claims·$1.5M paid·12 federal flood & hurricane disasters

38% of Madison County’s area is in FEMA’s high-risk flood zones, and another 3% 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 Madison County, Florida. 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 Madison County floods

Flash flooding and tropical storms dominate the flood risk profile in Madison County, supported by NOAA storm event records detailing 18 flash flood events, 18 tropical storm events, 9 flood events resulting in 1 death, and 8 hurricane events over the last 30 years.

This risk is exemplified by major flash flood events occurring in April 2024, which brought heavy rainfall between 6 and 10 inches with localized higher amounts to portions of the Florida Big Bend and southern Georgia, causing rapid water rises, flooded cars and structures, and several million dollars in damage.

NFIP claim history indicates that homeowners in Special Flood Hazard Areas face the most frequent risk, with Zone A accounting for 67 claims at an average payout of $22,273 and an average recorded water depth of 12 inches. Properties in Zone X also require attention, registering 7 claims with an average payout of $30,016 and an average recorded water depth of 22 inches, alongside smaller claim counts in Zone V and unmapped areas.

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 Madison County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.

70 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 2009, with 25 claims and $696,464 paid, the year of Severe Storms, Flooding, Tornadoes, and Straight-line Winds.

1984: 4 claims1986: 5 claims1987: 2 claims1991: 15 claims1995: 1 claims1998: 14 claims2003: 2 claims2004: 1 claims2005: 2 claims2009: 25 claims2013: 9 claims2023: 1 claims2024: 3 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

31 NOAA storm reports from Madison County describe what happened, in the words of the forecasters who covered it. Read the Florida flood stories →

Federal disasters

33 federal disaster declarations since 1973, 12 of them floods, coastal storms or hurricanes.

DisasterBegan
Hurricane MiltonOct 5, 2024
Hurricane HeleneSep 23, 2024
Tropical Storm HeleneSep 23, 2024
Hurricane DebbyAug 1, 2024
Tropical Storm DebbyAug 1, 2024
Severe Storms, Straight-line Winds, And TornadoesMay 10, 2024
Hurricane IdaliaAug 27, 2023
Tropical Storm IdaliaAug 27, 2023

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

Recorded flood events

53 since 1996: 18 flash floods and 9 river or area floods.

EventDateDamage
Hurricane (Typhoon)Sep 26, 2024$1.0B
Flash FloodApr 11, 2024—
FloodAug 8, 2024$5.0M
Tropical StormAug 5, 2024—
Flash FloodAug 5, 2024—
Hurricane (Typhoon)Aug 5, 2024$15.0M
Hurricane (Typhoon)Aug 30, 2023$10.0M
Flash FloodJun 15, 2023—

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

From the storm reports

Hurricane (Typhoon) · Sep 26, 2024. Hurricane Helene made landfall as a Category 4 hurricane with maximum sustained winds of 140 mph and a minimum central pressure of 938 mb (27.70 inches) at about 11:10 PM EDT on Thursday, September 26th, in Taylor County Florida just east of the Aucilla River. Helene quickly moved inland across Taylor and Madison Counties before moving into Lowndes County in South Central Georgia. The hurricane produced a devastat…

Flash Flood · Apr 11, 2024. A major flash flood event occurred across portions of the Florida big bend and southern Georgia during the late night hours of April 10th through the early morning hours of April 11th. Between 6 and 10 inches of rain fell with localized higher amounts, particularly over Tallahassee. This resulted in rapid water rises across Tallahassee with numerous cars and structures flooded. Several million dollars in flood…

Flood · Aug 8, 2024. Hurricane Debby made landfall along the Taylor County coast as a Category 1 Hurricane on the morning of Monday August 5th. In addition to storm surge flooding along the FL Big Bend coast, around 12 inches of rainfall lead to widespread flooding in Madison and Taylor counties. In particular, rainfall in Southeast Madison County corresponded to a 0.2% annual chance occurrence or a 500 year flood event. Long duration…

Tropical Storm · Aug 5, 2024. Hurricane Debby made landfall along the Taylor County coast as a Category 1 Hurricane on the morning of Monday August 5th. In addition to storm surge flooding along the FL Big Bend coast, around 12 inches of rainfall lead to widespread flooding in Madison and Taylor counties. In particular, rainfall in Southeast Madison County corresponded to a 0.2% annual chance occurrence or a 500 year flood event. Long duration…

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 Madison County

If a building in Madison 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.