County Hazards

States › Tennessee › Chester County

Chester County, Tennessee

Recorded hazard history: storm events since 1950, federal disaster declarations since 1953, flood insurance claims since 1978, and FEMA's risk index.

FIPS 47023 · 17,504 residents (2021) · 286 sq mi · dominant hazard Heat

Hail · 76Tornado · 13Flood · 23Wind · 80Winter · 50
1962-06-24: Hail1996-05-28: Hail1996-05-28: Hail1996-03-15: Hail1996-03-15: Hail1997-04-30: Hail1997-03-28: Hail1997-05-26: Hail1998-05-10: Hail1998-04-08: Hail1998-04-16: Hail1998-04-16: Hail1999-02-11: Hail1999-01-17: Hail1999-01-22: Hail1999-01-22: Hail1999-01-22: Hail2000-04-27: Hail2000-08-10: Hail2001-02-21: Hail2001-02-24: Hail2001-05-11: Hail2001-06-03: Hail2002-07-02: Hail2004-10-19: Hail2004-10-18: Hail2005-03-22: Hail2005-08-05: Hail2006-04-07: Hail2006-04-07: Hail2006-04-20: Hail2006-04-02: Hail2006-05-26: Hail2006-05-26: Hail2008-02-05: Hail2009-07-15: Hail2009-06-15: Hail2009-06-15: Hail2009-05-01: Hail2010-03-25: Hail2010-04-24: Hail2010-05-14: Hail2011-02-24: Hail2011-04-26: Hail2011-04-20: Hail2012-12-17: Hail2012-04-26: Hail2013-04-27: Hail2014-10-13: Hail2014-02-20: Hail2014-06-07: Hail2015-04-15: Hail2016-03-31: Hail2017-03-27: Hail2020-04-08: Hail2020-04-08: Hail2020-05-03: Hail2021-03-27: Hail2021-03-27: Hail2022-06-12: Hail2022-05-02: Hail2022-05-02: Hail2023-06-25: Hail2023-06-25: Hail2025-05-08: Hail2025-05-08: Hail2025-05-02: Hail2025-05-02: Hail2025-05-02: Hail2025-04-10: Hail1952-03-22: Tornado1953-03-14: Tornado1962-02-23: Tornado1985-11-27: Tornado1988-11-19: Tornado1990-04-28: Tornado1996-11-07: Tornado1998-04-16: Tornado1999-01-22: Tornado2011-04-26: Tornado2012-04-26: Tornado2024-05-27: Tornado2008-06-01: Flood2009-12-08: Flood2010-05-24: Flood2010-05-01: Flood2011-02-24: Flood2011-04-27: Flood2013-09-02: Flood2013-01-13: Flood2014-07-23: Flood2014-03-03: Flood2016-03-10: Flood2018-06-01: Flood2018-02-22: Flood2021-03-27: Flood1957-12-19: Wind1964-08-04: Wind1977-07-08: Wind1979-05-03: Wind1984-03-24: Wind1985-07-05: Wind1986-03-12: Wind1989-04-03: Wind1990-05-12: Wind1991-03-22: Wind1991-04-09: Wind1996-05-28: Wind1996-10-17: Wind1996-09-27: Wind1997-02-26: Wind1997-02-21: Wind1997-04-30: Wind1997-03-02: Wind1998-04-08: Wind1998-04-16: Wind1998-04-08: Wind1999-01-17: Wind1999-05-05: Wind2000-05-26: Wind2000-07-20: Wind2001-06-03: Wind2001-06-03: Wind2001-05-31: Wind2001-07-05: Wind2001-10-24: Wind2002-11-10: Wind2002-05-17: Wind2003-08-22: Wind2004-04-22: Wind2004-07-04: Wind2005-08-06: Wind2005-08-05: Wind2005-11-15: Wind2006-04-02: Wind2006-04-02: Wind2006-08-14: Wind2007-11-21: Wind2007-08-17: Wind2008-01-10: Wind2008-05-02: Wind2009-06-15: Wind2009-06-15: Wind2009-07-15: Wind2010-04-07: Wind2010-05-24: Wind2010-04-24: Wind2010-04-24: Wind2010-07-26: Wind2011-02-24: Wind2011-04-04: Wind2011-06-26: Wind2013-12-21: Wind2013-01-30: Wind2014-07-14: Wind2014-07-23: Wind2014-06-07: Wind2015-07-14: Wind2015-06-08: Wind2016-03-31: Wind2018-05-28: Wind2020-03-28: Wind2020-05-03: Wind2021-03-27: Wind2022-04-13: Wind2023-03-31: Wind2023-07-20: Wind2023-07-21: Wind2023-06-25: Wind2024-05-27: Wind
Chester County within Tennessee. Dots: HailTornadoFloodWind event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NCEI storm records through 30 Jun 2026; OpenFEMA declarations refreshed 1 Oct 2026; NFIP claims as of 8 Sep 2026.

Chester County, Tennessee, has 370 weather events in the NCEI Storm Events record since 1950, most of them heat.

That is 129.5 events per 100 square miles, in line with the Tennessee figure of 112.2, and 211.4 per 10,000 residents against 66.4 statewide.

26 events fall in the 12 months to 30 Jun 2026. NCEI attributes 23 deaths and 107 injuries to events in the county, with property damage estimated at $5.3M.

FEMA has designated the county in 16 federal disaster declarations since 1953; the most recent is Severe Winter Storm (major disaster, 6 Feb 2026).

National Flood Insurance Program policyholders in the county filed 2 claims since 1978, of which 2 were paid, totalling $42K (about $21K per paid claim). FEMA counts 7 residential flood policies in force.

FEMA's National Risk Index rates the county's overall risk as "Relatively Low" and its expected annual loss as "Very Low" ($13M a year across 18 hazards).

11 tropical storm or hurricane tracks in the HURDAT2 record passed within 100 miles of the county's centre at tropical-storm strength or more, 0 of them within 50 miles at hurricane strength.

26events, last 12 monthsto 30 Jun 2026
370events since 195023 deaths, 107 injuries recorded
16disaster declarationslast 6 Feb 2026
2NFIP flood claims$42K paid

Compared with Tennessee and the United States

MeasureChester CountyTennesseeUS
Recorded events since 195037046,2831,977,440
Events per 100 square miles129.5112.256.0
Events per 10,000 residents211.466.459.6
Events in the last 12 months261,52462,008
Deaths recorded by NCEI2380426,435
Property damage (NCEI estimates)$5.3M$9.2B$575B
NFIP claims per 1,000 residents0.12.58.1
Average paid NFIP claim$21K$33K$43K
Claims per 100 policies in force, last 10 years0.020.916.1

County-recorded events plus zone-recorded events whose forecast zone is named for the county. State and US rows include events recorded only by forecast zone. Rates use 2021 Census population and land area.

Events by decade

Tornado: 2Wind: 1
Hail: 1Tornado: 1Wind: 1
Wind: 2
Tornado: 2Wind: 4
Hail: 22Tornado: 5Flood: 3Wind: 18Winter: 4Lightning: 1
Hail: 22Flood: 8Wind: 27Winter: 14Tropical: 1Heat: 1Cold: 2Drought: 6Lightning: 1
Hail: 15Tornado: 2Flood: 11Wind: 17Winter: 20Heat: 25Drought: 6Other: 1
Hail: 16Tornado: 1Flood: 1Wind: 10Winter: 12Heat: 63Cold: 9Drought: 11Lightning: 1
31950s31960s21970s61980s531990s822000s972010s1242020s
Recorded events in Chester County by decade and hazard group. HailTornadoFloodWindWinterTropicalHeatColdDroughtLightningOther NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Trend: 252 events in the 20 years to 2025 against 98 in the 20 years before. Reporting practice changed in 1996 and again with automated reports in the 2000s, so decade totals measure the record as much as the weather.

Events by type

Heat89
Wind80
Hail76
Winter50
Flood23
Drought23
Tornado13
Cold11
Lightning3
Tropical1
Other1
HazardEventsDeathsShare of state's events
■ Heat89—4.0%
■ Wind80—0.4%detail
■ Hail76—1.1%detail
■ Winter50—0.8%detail
■ Flood23—0.5%detail
■ Drought23—1.2%
■ Tornado13230.8%detail
■ Cold11—1.9%
■ Lightning3—0.6%
■ Tropical1—1.9%
■ Other1—0.3%

Hazard pages exist for hail, tornado, flood, wind and winter where the county has at least 10 recorded events. "Other" covers heavy rain, debris flow, dust, funnel clouds and similar reports.

Largest recorded events

DateEvent typeGroupMagnitudeProperty damageCrop damageDeathsInjuriesGeography
22 Mar 1952TornadoTornadoF4$2.5M—23100County
30 Jan 2013Thunderstorm WindWind81 mph———4County
26 Apr 2012TornadoTornadoEF2$400K——1County
5 May 1999Thunderstorm WindWind—$100K——1County
15 Nov 2005Thunderstorm WindWind58 mph$10K——1County
23 Feb 1962TornadoTornadoF1$250K———County
27 Nov 1985TornadoTornadoF1$250K———County
19 Nov 1988TornadoTornadoF2$250K———County
28 Apr 1990TornadoTornadoF1$250K———County
27 Sep 1996Thunderstorm WindWind—$200K———County
1 May 2010Flash FloodFlood—$150K———County
3 Mar 2023High WindWind58 mph$100K———Forecast zone

Ranked by deaths, then injuries, then NCEI's damage estimate. Deaths and injuries are NCEI counts (direct plus indirect); no personal details are recorded here.

Federal disaster declarations

DeclaredNumberTypeIncidentTitlePrograms
6 Feb 2026DR-4898Major disasterWinter StormSevere Winter StormIndividual assistance, Public assistance
24 Jan 2026EM-3635EmergencyWinter StormSevere Winter StormPublic assistance
2 Apr 2025EM-3625EmergencySevere StormSevere Storms, Straight-Line Winds, Tornadoes, And FloodingPublic assistance
2 Apr 2020DR-4514Major disasterBiologicalCovid-19 PandemicIndividual assistance, Public assistance
13 Mar 2020EM-3473EmergencyBiologicalCovid-19Public assistance
9 May 2011DR-1978Major disasterSevere StormSevere Storms, Flooding, Tornadoes, And Straight-Line WindsPublic assistance
1 May 2011DR-1974Major disasterSevere StormSevere Storms, Tornadoes, Straight-Line Winds, And Associated FloodingPublic assistance
4 May 2010DR-1909Major disasterSevere StormSevere Storms, Flooding, Straight-Line Winds, And TornadoesIndividual assistance, Public assistance
21 Aug 2009DR-1856Major disasterSevere StormSevere Storms And FloodingPublic assistance
5 Sep 2005EM-3217EmergencyHurricaneHurricane Katrina EvacuationPublic assistance
8 May 2003DR-1464Major disasterSevere StormSevere Storms, Tornadoes, And FloodingIndividual assistance
12 May 1999DR-1275Major disasterSevere StormSevere Storms, Tornadoes And FloodingIndividual assistance, Public assistance
13 Jan 1998DR-1197Major disasterSevere StormSevere Storms And FloodingPublic assistance
7 Mar 1997DR-1167Major disasterTornadoHeavy Rains, Tornadoes, Flooding, Hail, High WindsIndividual assistance, Public assistance
28 Feb 1994DR-1010Major disasterSevere StormSevere Winter Ice Storm,Flash FloodingPublic assistance
22 Mar 1975DR-459Major disasterFloodSevere Storms & FloodingIndividual assistance, Public assistance

Declarations in which FEMA designated this county, from the OpenFEMA Disaster Declarations Summaries (v2). DR: major disaster; EM: emergency; FM: fire management assistance. Programs show whether individual or public assistance was made available.

Flood insurance claims

197820022026
NFIP claims by year of loss in Chester County, 1978 to 2026 (hover for the amount paid).
Claims since 19782
Paid claims2
Total paid$42K
Average paid claim$21K
Repetitive-loss properties0
Residential policies in force70.1% of 7,003 structures
Year of lossClaimsPaid claimsAmount paidAverage paid
201011$36,126$36,126
200311$5,722$5,722

OpenFEMA NFIP claims (v3, as of 8 Sep 2026), aggregated by year of loss; amounts are building, contents and increased-cost-of-compliance payments as recorded. Repetitive-loss counts from the NFIP Multiple Loss Properties file (2 Aug 2026); policies in force from the NFIP Residential Penetration Rates file (3 Aug 2026).

National Risk Index

Overall riskRelatively Lowscore 44.5 of 100
Expected annual loss$13MVery Low
Social vulnerabilityRelatively Moderate
Community resilienceRelatively Moderate
Hazard (NRI)Risk ratingExpected annual loss
EarthquakeRelatively Low$4,826,559
TornadoRelatively Moderate$2,420,911
Inland floodingVery Low$2,362,113
Cold waveRelatively Moderate$2,053,735
Heat waveRelatively Low$437,857
Strong windRelatively Low$360,489
LightningRelatively Low$132,468
HurricaneVery Low$54,281
DroughtRelatively Low$54,266
HailVery Low$38,045
Ice stormVery Low$20,857
Winter weatherVery Low$8,908
WildfireVery Low$4,462
LandslideVery Low$2,829

FEMA National Risk Index, December 2025 release. Ratings are FEMA's relative comparison of counties; expected annual loss is FEMA's modelled estimate of average yearly building, population and agriculture loss. See how to read the NRI.

Hurricane and tropical storm passes

Tracks within 100 miles11
Tracks within 50 miles3
Hurricane strength within 50 miles0
StormYearClosest approachMax wind while within 100 mi
Olga201966 mi46 mph
Katrina200591 mi46 mph
Frederic197992 mi46 mph
Camille196993 mi40 mph
Audrey195754 mi40 mph
Baker195043 mi40 mph
Unnamed Atlantic storm193436 mi40 mph
Unnamed Atlantic storm192334 mi40 mph
Unnamed Atlantic storm190688 mi46 mph
Unnamed Atlantic storm188887 mi63 mph
Unnamed Atlantic storm186057 mi46 mph

HURDAT2 best-track positions at tropical-storm strength (34 kt) or more, measured from the county's Census centre point; through the 2025 season. Distance from a track is not the same as the extent of the storm's wind, rain or surge.

Questions and answers

How often does it hail in Chester County, TN?

NCEI records 76 hail events in Chester County since 1950, in 28 different years; that is about 1.0 recorded events a year. 13 reports were golf-ball size (1.75 in) or larger.

Has Chester County had a tornado?

Yes. NCEI records 13 tornadoes in Chester County since 1950, 4 of them rated (E)F2 or stronger. Tornado deaths recorded: 23.

When was the last federal disaster declaration for Chester County?

6 Feb 2026: Severe Winter Storm, a major disaster declaration for winter storm. The county appears in 16 declarations since 1953.

How many flood insurance claims have been filed in Chester County, and how much was paid?

2 NFIP claims since 1978, 2 of them paid, for $42K in total. FEMA publishes these figures redacted and aggregated; individual properties are not identified.

Is Chester County in the National Risk Index's high-risk band?

FEMA's National Risk Index (December 2025) rates the county "Relatively Low" for overall risk, "Very Low" for expected annual loss, "Relatively Moderate" for social vulnerability and "Relatively Moderate" for community resilience. These ratings are FEMA's relative comparison across all US counties.

How does Chester County compare with the rest of Tennessee?

129.5 recorded events per 100 square miles against 112.2 statewide, and 0.1 NFIP claims per 1,000 residents against 2.5. The comparison table on this page shows each measure beside the state and national figures.

Provenance

Storm events: NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026 (public domain). Declarations: OpenFEMA DisasterDeclarationsSummaries v2, refreshed 1 Oct 2026. Flood claims: OpenFEMA NfipClaims v3 as of 8 Sep 2026; NfipMultipleLossProperties v1 (2 Aug 2026); NfipResidentialPenetrationRates v1 (3 Aug 2026). Risk index: FEMA National Risk Index, December 2025. Hurricane tracks: NHC HURDAT2 through 2025. Population and area: US Census Bureau, 2021 vintage. Built 1 Oct 2026; see the methodology and corrections pages. Hazard hubs: Hail · Tornado · Flood · Wind · Winter.