FloodZoneMap.org

Thomas County, Georgia Flood Zones

Check an Address in Thomas County

Enter any address in Thomas County, Georgia to see its FEMA flood zone

The Flooding Character of Thomas County

Flash flooding is the most frequent type of flood event in Thomas County, GA, with 41 occurrences recorded in the last 30 years. Tropical storms and other flood events also contribute to the county's flood risk. For example, a major flash flood event in April 2024 brought between 6 and 10 inches of rain to the region, causing rapid water rises and flooding numerous cars and structures.

National Flood Insurance Program (NFIP) claims data shows that properties in Zone A experienced an average payout of $20,838 with an average water depth of 1.7 feet. Properties in Zone X, however, had a significantly higher average payout of $80,142, with an average water depth of 1.4 feet, indicating potential for substantial damage even in areas not designated as high-risk. Residents in Zone A and Zone X, as well as those in areas with unknown flood risk designations, should pay close attention to flood warnings and consider flood insurance.

Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.

Read First-Hand Flood Stories from Thomas County

33 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.

Read Georgia flood stories →

Flood Risk Data for Thomas County

Thomas County, Georgia has recorded 61 flood-related events since 1996 according to NOAA's Storm Events Database, including 41 flash floods and 6 river or area floods. The county has received 20 federal disaster declarations, 1 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.

Thomas County Disaster History

FEMA Disaster Declarations (1977–2024)

Disaster Declarations
20
Flood/Coastal Disasters
1
Hurricane Disasters
5
Latest Disaster
Hurricane Helene (2024-09-24)

Source: OpenFEMA Disaster Declarations Summaries.

Recent Disaster Declarations in Thomas County

DeclarationTypeDate
Hurricane HeleneTropical StormSep 24, 2024
Hurricane DebbyTropical StormAug 4, 2024
Tropical Storm DebbyTropical StormAug 4, 2024
Hurricane IdaliaHurricaneAug 30, 2023
Covid-19BiologicalJan 20, 2020
Covid-19 PandemicBiologicalJan 20, 2020
Hurricane MichaelHurricaneOct 9, 2018
Hurricane IrmaHurricaneSep 7, 2017
Severe Storms, Tornadoes, Straight-line Winds, And FloodingTornadoJan 21, 2017
Severe Storms, Flooding, Tornadoes, And Straight-line WindsSevere StormMar 26, 2009

Recorded Flood Events in Thomas County

NOAA Storm Events Database (1996–2025)

Total Flood Events
61
River/Area Floods
6
Flash Floods
41
Hurricanes/Tropical Storms
14
Total Property Damage
$114.1M
Flood Injuries
1

Source: NOAA National Weather Service Storm Events Database.

Recent Flood Events in Thomas County

TypeDateDamage
Flash FloodJul 31, 20240.00K
Flash FloodSep 27, 20240.00K
FloodMar 27, 20240.00K
Hurricane (Typhoon)Sep 26, 20245.00M
Flash FloodSep 25, 20240.00K
Flash FloodApr 11, 20240.00K
Tropical StormAug 5, 2024100.00K
Flash FloodJul 3, 20240.00K
Flash FloodAug 2, 20240.00K
Tropical StormAug 30, 2023100.00K

Thomas County Flood History

Flash Flood — Jul 31, 2024

Scattered thunderstorms developed during the afternoon hours in a typical summertime environment. A few trees were blown down, and localized flash flooding occurred with slow storm motions.

Flash Flood — Sep 27, 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...

Flood — Mar 27, 2024

Steep mid-level lapse rates with sufficient instability ahead of a cold front sparked numerous thunderstorms across the area with severe weather. Most of the reports were in the form of large hail, and wind damage was confined to the Valdosta area. However, significant wind damage did occur in Valdosta due to a downburst.

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...

Flash Flood — Sep 25, 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...

Source: NOAA National Weather Service Storm Events Database.

Thomas County NFIP Flood Insurance Claims

Total Claims Filed
54
Total Paid Out
$2.3M
Avg Claim
$55,156
Avg Water Depth
3.3 ft

Claims by Flood Zone

A Zones (High Risk)
29
X Unshaded (Low)
3

Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).

Flood Zone Types in Thomas County

FEMA assigns flood zone designations to areas in Thomas County, Georgia:

AE High Risk — 1% annual chance of flooding. Insurance required.

VE Very High Risk — Coastal flooding with wave action.

X (Shaded) Moderate Risk — 500-year floodplain.

X Low Risk — Outside major floodplains.

View all flood zone types →

Flood Insurance in Thomas County

Properties in Thomas County, Georgia that are in FEMA-designated Special Flood Hazard Areas (zones A and V) with federally backed mortgages are required to carry flood insurance.

Even outside high-risk zones, flood insurance is recommended. From 2014 to 2024, nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area.

Visit FloodSmart.gov to find an agent and get a quote.