County Hazards

States › Virginia › Louisa County

Louisa County, Virginia

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

FIPS 51109 · 38,848 residents (2021) · 495 sq mi · dominant hazard Wind

Hail · 50Tornado · 15Flood · 23Wind · 225Winter · 86
1960-05-17: Hail1961-05-09: Hail1962-05-08: Hail1969-06-08: Hail1971-05-20: Hail1985-06-05: Hail1988-03-26: Hail1998-04-08: Hail1998-06-13: Hail1998-06-16: Hail1998-02-17: Hail1999-04-23: Hail1999-09-07: Hail1999-04-23: Hail2001-05-22: Hail2002-06-06: Hail2003-04-30: Hail2007-08-16: Hail2007-07-16: Hail2007-07-16: Hail2007-06-11: Hail2008-06-16: Hail2008-06-16: Hail2008-06-04: Hail2008-06-10: Hail2009-06-26: Hail2009-06-26: Hail2009-06-26: Hail2009-06-26: Hail2010-06-22: Hail2010-06-22: Hail2010-06-22: Hail2010-06-22: Hail2010-06-22: Hail2010-06-22: Hail2010-06-22: Hail2010-05-14: Hail2012-06-25: Hail2013-06-13: Hail2014-05-22: Hail2016-06-16: Hail2019-06-17: Hail2022-06-16: Hail2022-06-16: Hail2023-06-26: Hail2023-06-26: Hail2023-06-16: Hail2024-04-15: Hail2024-04-15: Hail2025-07-18: Hail1962-08-09: Tornado1976-05-18: Tornado1977-08-01: Tornado1983-10-13: Tornado1989-05-05: Tornado1989-05-05: Tornado1998-02-17: Tornado2004-09-17: Tornado2006-05-11: Tornado2011-04-27: Tornado2011-10-13: Tornado2019-04-19: Tornado2022-05-27: Tornado2022-05-27: Tornado2022-06-16: Tornado2008-09-06: Flood2018-06-22: Flood2018-05-18: Flood2018-07-31: Flood2018-08-20: Flood2018-10-11: Flood2020-11-11: Flood2020-11-11: Flood2020-11-11: Flood2020-11-12: Flood2023-07-15: Flood2024-08-29: Flood2024-08-29: Flood2024-08-29: Flood2025-07-09: Flood2025-07-01: Flood2026-06-22: Wind2026-06-22: Wind2026-06-22: Wind2026-06-12: Wind2026-06-12: Wind2026-03-16: Wind2026-03-16: Wind2026-03-16: Wind2025-07-27: Wind2025-07-18: Wind2025-07-09: Wind2025-07-01: Wind2025-07-01: Wind2025-06-19: Wind2024-07-17: Wind2024-07-17: Wind2024-06-26: Wind2024-05-26: Wind2023-08-07: Wind2023-08-06: Wind2023-07-28: Wind2023-07-07: Wind2023-06-26: Wind2023-04-06: Wind2022-08-10: Wind2022-06-16: Wind2022-06-16: Wind2022-06-02: Wind2022-06-02: Wind2022-05-22: Wind2021-08-28: Wind2021-08-28: Wind2021-08-13: Wind2021-08-13: Wind2021-08-13: Wind2021-08-11: Wind2021-08-11: Wind2021-07-28: Wind2021-07-14: Wind2021-07-14: Wind2021-07-14: Wind2021-07-14: Wind2021-07-14: Wind2021-05-04: Wind2021-05-04: Wind2021-05-04: Wind2021-05-04: Wind2021-05-04: Wind2021-05-04: Wind2021-05-04: Wind2021-05-04: Wind2021-05-04: Wind2020-08-06: Wind2020-08-06: Wind2020-07-28: Wind2020-04-13: Wind2020-04-13: Wind2020-01-12: Wind2019-10-31: Wind2019-09-11: Wind2019-08-22: Wind2019-08-15: Wind2019-08-13: Wind2019-08-13: Wind2019-08-13: Wind2019-08-01: Wind2019-06-18: Wind2019-06-18: Wind2019-06-17: Wind2019-06-17: Wind2019-06-17: Wind2019-05-26: Wind2019-05-26: Wind2019-05-26: Wind2019-04-26: Wind2019-04-15: Wind2019-04-15: Wind2018-06-10: Wind2018-05-14: Wind2018-05-14: Wind2018-05-10: Wind2018-05-10: Wind2018-04-15: Wind2017-07-22: Wind2017-07-22: Wind2017-07-17: Wind2017-04-21: Wind2017-04-06: Wind2017-04-06: Wind2017-04-06: Wind2017-03-01: Wind2016-07-19: Wind2016-07-19: Wind2016-06-16: Wind2016-06-16: Wind2016-06-16: Wind2016-05-14: Wind2016-02-24: Wind2015-08-11: Wind2015-06-20: Wind2015-06-20: Wind2014-08-20: Wind2014-07-02: Wind2013-06-13: Wind2013-04-19: Wind2013-04-19: Wind2012-09-08: Wind2012-07-15: Wind2012-06-30: Wind2012-06-29: Wind2012-06-29: Wind2012-06-25: Wind2011-04-05: Wind2011-03-10: Wind2010-12-01: Wind2010-12-01: Wind2010-11-17: Wind2010-11-16: Wind2010-11-16: Wind2010-11-16: Wind
Louisa County within Virginia. 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.

Louisa County, Virginia, has 448 weather events in the NCEI Storm Events record since 1950, most of them damaging wind.

That is 90.5 events per 100 square miles, below the Virginia figure of 146.4, and 115.3 per 10,000 residents against 66.9 statewide.

16 events fall in the 12 months to 30 Jun 2026. NCEI attributes 1 death and 1 injury to events in the county, with property damage estimated at $2.6M and crop damage at $3.0M.

FEMA has designated the county in 25 federal disaster declarations since 1953; the most recent is Severe Winter Storm (emergency, 23 Jan 2026).

National Flood Insurance Program policyholders in the county filed 4 claims since 1978, of which 2 were paid, totalling $36K (about $18K per paid claim). FEMA counts 1 residential flood policies in force.

FEMA's National Risk Index rates the county's overall risk as "Very Low" and its expected annual loss as "Very Low" ($10M a year across 18 hazards).

41 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.

16events, last 12 monthsto 30 Jun 2026
448events since 19501 death, 1 injury recorded
25disaster declarationslast 23 Jan 2026
4NFIP flood claims$36K paid

Compared with Virginia and the United States

MeasureLouisa CountyVirginiaUS
Recorded events since 195044857,7891,977,440
Events per 100 square miles90.5146.456.0
Events per 10,000 residents115.366.959.6
Events in the last 12 months161,94162,008
Deaths recorded by NCEI123926,435
Property damage (NCEI estimates)$2.6M$2.7B$575B
NFIP claims per 1,000 residents0.15.98.1
Average paid NFIP claim$18K$19K$43K
Claims per 100 policies in force, last 10 years0.04.316.1

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

Hail: 4Tornado: 1Wind: 4
Hail: 1Tornado: 2Wind: 3
Hail: 2Tornado: 3Wind: 8
Hail: 7Tornado: 1Flood: 1Wind: 31Winter: 15Heat: 1Drought: 2Other: 3
Hail: 15Tornado: 2Flood: 7Wind: 48Winter: 43Tropical: 1Cold: 1Other: 4
Hail: 13Tornado: 3Flood: 5Wind: 73Winter: 28Heat: 2Other: 15
Hail: 8Tornado: 3Flood: 10Wind: 58Lightning: 1Other: 19
01950s91960s61970s131980s611990s1212000s1392010s992020s
Recorded events in Louisa County by decade and hazard group. HailTornadoFloodWindWinterTropicalHeatColdDroughtLightningOther NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Trend: 290 events in the 20 years to 2025 against 131 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

Wind225
Winter86
Hail50
Other41
Flood23
Tornado15
Heat3
Drought2
Tropical1
Cold1
Lightning1
HazardEventsDeathsShare of state's events
■ Wind225—1.0%detail
■ Winter86—0.8%detail
■ Hail50—0.8%detail
■ Other41—1.5%
■ Flood23—0.3%detail
■ Tornado15—1.6%detail
■ Heat3—0.2%
■ Drought2—0.2%
■ Tropical1—0.3%
■ Cold1—0.1%
■ Lightning110.2%

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
6 Apr 2023LightningLightning———11County
1 Oct 1998DroughtDrought——$2.0M——Forecast zone
1 Nov 1998DroughtDrought——$1.0M——Forecast zone
29 Jun 2012Thunderstorm WindWind58 mph$350K———County
9 Aug 1962TornadoTornadoF2$250K———County
13 Oct 1983TornadoTornadoF1$250K———County
5 May 1989TornadoTornadoF1$250K———County
19 Apr 2019TornadoTornadoEF2$200K———County
13 Oct 2011TornadoTornadoEF1$175K———County
13 May 2000Thunderstorm WindWind—$150K———County
27 May 2022TornadoTornadoEF1$100K———County

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
23 Jan 2026EM-3631EmergencyWinter StormSevere Winter StormPublic assistance
11 Mar 2022DR-4644Major disasterSevere StormSevere Winter Storm And SnowstormPublic assistance
10 May 2021DR-4602Major disasterSevere Ice StormSevere Winter StormsPublic assistance
2 Apr 2020DR-4512Major disasterBiologicalCovid-19 PandemicIndividual assistance, Public assistance
13 Mar 2020EM-3448EmergencyBiologicalCovid-19Public assistance
11 Sep 2018EM-3403EmergencyHurricaneHurricane FlorencePublic assistance
7 Mar 2016DR-4262Major disasterSnowstormSevere Winter Storm And SnowstormPublic assistance
29 Oct 2012EM-3359EmergencyHurricaneHurricane SandyPublic assistance
27 Jul 2012DR-4072Major disasterSevere StormSevere Storms And Straight-Line WindsPublic assistance
4 Nov 2011DR-4042Major disasterEarthquakeEarthquakeIndividual assistance, Public assistance
26 Aug 2011EM-3329EmergencyHurricaneHurricane IrenePublic assistance
27 Apr 2010DR-1905Major disasterSnowstormSevere Winter Storms And SnowstormsPublic assistance
16 Feb 2010DR-1874Major disasterSnowstormSevere Winter Storm And SnowstormPublic assistance
12 Sep 2005EM-3240EmergencyHurricaneHurricane Katrina EvacuationPublic assistance
18 Sep 2003DR-1491Major disasterHurricaneHurricane IsabelIndividual assistance, Public assistance
28 Feb 2000DR-1318Major disasterSevere StormSevere Winter StormsPublic assistance
6 Sep 1996DR-1135Major disasterHurricaneHurricane Fran And Associated Severe Storm CondIndividual assistance, Public assistance
13 Jan 1996DR-1086Major disasterSnowstormBlizzard Of 96 (Severe Snow Storm)Public assistance
11 Apr 1994DR-1021Major disasterSevere StormSevere Winter Ice StormPublic assistance
10 Mar 1994DR-1014Major disasterSnowstormSevere Ice Storms, FloodingPublic assistance
25 Mar 1993EM-3112EmergencySnowstormSevere Winter StormPublic assistance
23 Jul 1977EM-3046EmergencyDroughtDroughtPublic assistance
10 Oct 1972DR-359Major disasterFloodSevere Storms & FloodingIndividual assistance, Public assistance
23 Jun 1972DR-339Major disasterFloodTropical Storm AgnesIndividual assistance, Public assistance
23 Aug 1969DR-274Major disasterHurricaneSevere 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 Louisa County, 1978 to 2026 (hover for the amount paid).
Claims since 19784
Paid claims2
Total paid$36K
Average paid claim$18K
Repetitive-loss properties0
Residential policies in force10.0% of 18,710 structures
Year of lossClaimsPaid claimsAmount paidAverage paid
201610$0—
201411$3,127$3,127
200910$0—
199211$33,351$33,351

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 riskVery Lowscore 32.2 of 100
Expected annual loss$10MVery Low
Social vulnerabilityRelatively Moderate
Community resilienceRelatively High
Hazard (NRI)Risk ratingExpected annual loss
Inland floodingRelatively Low$4,449,228
HurricaneRelatively Low$1,841,020
EarthquakeRelatively Low$1,214,311
TornadoRelatively Low$602,866
Strong windRelatively Low$551,249
LightningRelatively Moderate$543,187
DroughtRelatively Moderate$456,751
Heat waveRelatively Low$240,616
HailVery Low$103,844
Ice stormRelatively Low$32,431
Cold waveVery Low$26,883
Winter weatherVery Low$9,104
WildfireVery Low$9,011
LandslideVery Low$381

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 miles41
Tracks within 50 miles11
Hurricane strength within 50 miles0
StormYearClosest approachMax wind while within 100 mi
Elsa202187 mi52 mph
Isaias202066 mi69 mph
Zeta202018 mi52 mph
Nestor201996 mi46 mph
Hanna200870 mi52 mph
Ernesto200668 mi46 mph
Gaston200492 mi40 mph
Isabel200367 mi75 mph
David197988 mi46 mph
Unnamed Atlantic storm196397 mi46 mph
Connie195598 mi69 mph
Diane195547 mi52 mph
Able195236 mi52 mph
Unnamed Atlantic storm194945 mi58 mph
Unnamed Atlantic storm194557 mi46 mph
Unnamed Atlantic storm194433 mi40 mph
Unnamed Atlantic storm194484 mi46 mph
Unnamed Atlantic storm194382 mi52 mph
Unnamed Atlantic storm193482 mi46 mph
Unnamed Atlantic storm193365 mi75 mph
Unnamed Atlantic storm192957 mi58 mph
Unnamed Atlantic storm192855 mi52 mph
Unnamed Atlantic storm192825 mi69 mph
Unnamed Atlantic storm191552 mi46 mph
Unnamed Atlantic storm190288 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 Louisa County, VA?

NCEI records 50 hail events in Louisa County since 1950, in 25 different years; that is about 0.6 recorded events a year. 8 reports were golf-ball size (1.75 in) or larger.

Has Louisa County had a tornado?

Yes. NCEI records 15 tornadoes in Louisa County since 1950, 2 of them rated (E)F2 or stronger. Tornado deaths recorded: 0.

When was the last federal disaster declaration for Louisa County?

23 Jan 2026: Severe Winter Storm, a emergency declaration for winter storm. The county appears in 25 declarations since 1953.

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

4 NFIP claims since 1978, 2 of them paid, for $36K in total. FEMA publishes these figures redacted and aggregated; individual properties are not identified.

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

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

How does Louisa County compare with the rest of Virginia?

90.5 recorded events per 100 square miles against 146.4 statewide, and 0.1 NFIP claims per 1,000 residents against 5.9. 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.