Enter any address in Greene County, Tennessee to see its FEMA flood zone
Flash flooding events have been the most frequent type of flooding recorded in Greene County over the past 30 years. Recent events, such as those associated with Tropical Storm Helene in September 2024, have demonstrated the potential for catastrophic flash flooding and river flooding following heavy rainfall.
National Flood Insurance Program (NFIP) data indicates that properties in Zone A have experienced the highest average claim payouts and water depths. Claims in Zone X, while less severe on average, still represent a significant number of incidents. Residents, particularly those in areas designated as Zone A or near waterways, should be aware of their flood risk.
Summary generated from NOAA storm narratives and NFIP claim data for this county. Not predictive.
9 NOAA storm reports from this county describe what happened, in the words of the meteorologists who were there.
Greene County, Tennessee has recorded 54 flood-related events since 1996 according to NOAA's Storm Events Database, including 28 flash floods and 26 river or area floods. The county has received 18 federal disaster declarations, 3 of which involved flooding or coastal storms. Enter any address above to check its FEMA flood zone designation.
FEMA Disaster Declarations (1973–2026)
Source: OpenFEMA Disaster Declarations Summaries.
| Declaration | Type | Date |
|---|---|---|
| Severe Winter Storm | Winter Storm | Jan 22, 2026 |
| Severe Storms, Straight-line Winds, Tornadoes, And Flooding | Severe Storm | Apr 2, 2025 |
| Tropical Storm Helene | Tropical Storm | Sep 26, 2024 |
| Severe Winter Storm | Winter Storm | Dec 22, 2022 |
| Covid-19 | Biological | Jan 20, 2020 |
| Covid-19 Pandemic | Biological | Jan 20, 2020 |
| Severe Storms, Flooding, Landslides, And Mudslides | Flood | Feb 19, 2019 |
| Severe Winter Storm And Flooding | Severe Ice Storm | Feb 15, 2015 |
| Severe Storms, Tornadoes, Straight-line Winds, And Associated Flooding | Severe Storm | Apr 25, 2011 |
| Hurricane Katrina Evacuation | Hurricane | Aug 29, 2005 |
NOAA Storm Events Database (1996–2025)
Source: NOAA National Weather Service Storm Events Database.
| Type | Date | Damage |
|---|---|---|
| Flash Flood | Jul 12, 2025 | 0.00K |
| Flood | Sep 27, 2024 | 22.70M (1 deaths) |
| Flash Flood | Sep 27, 2024 | 0.00K |
| Flood | Sep 26, 2024 | 0.00K |
| Flash Flood | Sep 25, 2024 | 0.00K |
| Flash Flood | Aug 2, 2024 | 0.00K |
| Flash Flood | Aug 14, 2023 | 5.00K |
| Flash Flood | Aug 7, 2023 | 0.00K |
| Flash Flood | Aug 3, 2023 | 10.00K |
| Flash Flood | Jul 25, 2022 | 0.00K |
Flash Flood — Jul 12, 2025
Diurnal showers and thunderstorms yielded a briefly severe storm in Campbell County.
Flood — Sep 27, 2024
Tropical Storm Helene caps off a several day heavy rainfall event in association with a stalled closed upper low that drew a stream of tropical moisture into the area on the 25th and 26th. The arrival of Helene on the 27th yielded catastrophic flash flooding and river flooding, as well as significant wind damage as wet soils and strong wind gusts led to forest damage.
Flash Flood — Sep 27, 2024
Tropical Storm Helene caps off a several day heavy rainfall event in association with a stalled closed upper low that drew a stream of tropical moisture into the area on the 25th and 26th. The arrival of Helene on the 27th yielded catastrophic flash flooding and river flooding, as well as significant wind damage as wet soils and strong wind gusts led to forest damage.
Flood — Sep 26, 2024
Tropical Storm Helene caps off a several day heavy rainfall event in association with a stalled closed upper low that drew a stream of tropical moisture into the area on the 25th and 26th. The arrival of Helene on the 27th yielded catastrophic flash flooding and river flooding, as well as significant wind damage as wet soils and strong wind gusts led to forest damage.
Flash Flood — Sep 25, 2024
Tropical Storm Helene caps off a several day heavy rainfall event in association with a stalled closed upper low that drew a stream of tropical moisture into the area on the 25th and 26th. The arrival of Helene on the 27th yielded catastrophic flash flooding and river flooding, as well as significant wind damage as wet soils and strong wind gusts led to forest damage.
Source: NOAA National Weather Service Storm Events Database.
Source: OpenFEMA NFIP Individual Claims (2.25M records analyzed).
FEMA assigns flood zone designations to areas in Greene County, Tennessee:
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.
Properties in Greene County, Tennessee 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.