Home › Virginia › Clarke County

Clarke County, Virginia

Natural disaster risk, federal disaster history and flood insurance facts.

Very Low overall risk
114th of 133highest risk in Virginia
$6Mexpected losses a year
18federal declarations
1 in 125homes with flood insurance
Photo: U.S. Geological Survey, public domain

Clarke County, Virginia has a very low overall risk from natural hazards in FEMA's National Risk Index. Its risk score is lower than 93% of US counties. It ranks 114th of 133 counties in Virginia. The costliest hazards here are inland flooding, heat waves and drought. FEMA estimates about $5.6 million a year in expected losses, or roughly $378 per resident. Since 1972 it has been included in 18 federal disaster or emergency declarations for natural events (12 major disasters). The most recent was in January 2026 (severe winter storm). Only 47 homes here carry federal flood insurance. Since 1978, federal flood insurance has paid about $541,000 on 34 claims here.

FEMA National Risk Index December 2025; OpenFEMA declarations to Nov 6, 2026; NFIP records. Updated November 6, 2026.

Top risks in Clarke County

$3 million a yearExpected losses. Damaging events about once a year.
  • Check the FEMA flood map for your address, and ask the seller or landlord about past flooding.
  • Price a flood policy now. Most new federal policies take 30 days to start.
$681,076 a yearExpected losses. Damaging events about 4 times a year.
  • Check that cooling works before summer.
  • Know where the nearest cooling center is.

Drought

Moderate
$556,292 a yearExpected losses. Damaging events about 4 times a year.
  • Check local water restrictions.
  • Choose drought-tolerant plants.
HazardRatingScoreExpected loss a year
Inland floodingVery Low16.6
$3M
Heat waveLow54.2
$681K
DroughtModerate64.0
$556K
Strong windLow32.8
$490K
TornadoVery Low14.5
$198K
HurricaneVery Low55.7
$193K
EarthquakeVery Low34.8
$166K
HailVery Low20.3
$108K
Cold waveVery Low8.4
$85K
LightningVery Low14.4
$74K
WildfireVery Low33.0
$26K
Winter weatherVery Low18.6
$24K
Ice stormVery Low3.3
$2K
LandslideVery Low48.3
$2K
AvalancheVery Low11.7
$17

Scores are percentiles: a score of 90 means higher risk than about 90% of US counties for that hazard. Hazards FEMA does not rate here are left out. Social vulnerability is very low and community resilience is relatively high in FEMA's measures.

Federal disaster history

Recent disasters nationwide ›

Declarations by decade

Federal declarations for natural events that included Clarke County. 2020s bar runs to November 2026.

By type

Hurricane6
Snowstorm4
Flood3
Severe Storm3
Drought1
Winter Storm1

Most recent

Jan 23, 2026Severe Winter StormEmergency
Sep 11, 2018Hurricane FlorenceEmergency
Mar 7, 2016Severe Winter Storm and SnowstormMajor disaster
Nov 26, 2012Hurricane SandyMajor disaster
Oct 29, 2012Hurricane SandyEmergency
Jul 27, 2012Severe Storms and Straight-Line WindsMajor disaster
Apr 27, 2010Severe Winter Storms and SnowstormsMajor disaster
Sep 12, 2005Hurricane Katrina EvacuationEmergency
Sep 18, 2003Hurricane IsabelMajor disaster
Mar 27, 2003Severe Winter Storm, Record/Near Record Snowfall, Heavy Rain,Floodind, and MudslideMajor disaster
Show all 18
Feb 28, 2000Severe Winter StormsMajor disaster
Sep 6, 1996Hurricane Fran and Associated Severe Storm CondMajor disaster
Jan 27, 1996Flooding, High Winds, and Wind Driven RainMajor disaster
Jan 13, 1996Blizzard of 96 (Severe Snow Storm)Major disaster
Mar 25, 1993Severe Winter StormEmergency
Nov 9, 1985Severe Storms & FloodingMajor disaster
Jul 23, 1977DroughtEmergency
Jun 23, 1972Tropical Storm AgnesMajor disaster

Virginia also had 6 statewide declarations that did not name single counties.

Storm history since 1962

Tornado risk by county ›

The National Weather Service has logged 316 storm reports in Clarke County since 1962, with 0 deaths and 1 injury and about $6.2 million in reported damage. The strongest on record here was an F2 tornado on August 4, 1975.

11tornadoes
44hail reports, largest 2.25 inches
200damaging thunderstorm winds
50floods and flash floods

Strongest tornadoes

DateStrengthNearHurt / killed
Aug 4, 1975F2–0 / 0
Jun 4, 2008EF1Millwood0 / 0
May 27, 2001F1Millwood0 / 0
Aug 2, 1986F1–0 / 0
Aug 2, 1986F1–0 / 0

Most damaging storms

DateTypeNearDamage
Apr 23, 1999HailBoyce$1M
Apr 23, 1999HailBerryville$1M
Sep 6, 1996Flash FloodCountywide$800K
Apr 25, 1996WildfireAll$750K
Apr 25, 1996WildfireAll$750K
Jan 19, 1996Flash FloodAll$600K

Source: NOAA Storm Events Database, county-based reports through Jul 28, 2026. Tornado records start in 1950, hail and wind in 1955, and floods and other storm types in 1996, so older decades undercount. Damage is in dollars of the year it happened and is often an estimate. Winter storms, heat and hurricanes are logged by forecast zone, not county, so they are not counted here.

Hurricanes and tropical storms

Hurricane risk by county ›

Since 1876, 2 hurricanes and 10 tropical storms have passed within 65 miles of the center of Clarke County, 4 of them since 1950. The strongest was an unnamed hurricane in 1878, with top winds near 95 mph about 64 miles away.

2hurricanes
0major hurricanes (Category 3+)
10tropical storms
2003most recent: Isabel

Strongest storms nearby

DateStormStrengthClosest
Oct 23, 1878UnnamedCategory 1, 95 mph64 mi
Oct 13, 1893UnnamedCategory 1, 75 mph29 mi
Sep 18, 1876UnnamedTropical storm, 65 mph45 mi
Aug 23, 1933UnnamedTropical storm, 65 mph64 mi
Aug 29, 1893UnnamedTropical storm, 65 mph51 mi
Sep 19, 2003IsabelTropical storm, 60 mph61 mi

Most recent storms

DateStormStrengthClosest
Sep 19, 2003IsabelTropical storm, 60 mph61 mi
Sep 6, 1979DavidTropical storm, 45 mph55 mi
Aug 18, 1955DianeTropical storm, 50 mph62 mi
Sep 1, 1952AbleTropical storm, 60 mph55 mi
Aug 29, 1949UnnamedTropical storm, 60 mph37 mi
Aug 23, 1933UnnamedTropical storm, 65 mph64 mi

Source: NOAA National Hurricane Center best-track records (HURDAT2), 1851 to 2025 for the Atlantic and 1949 to 2025 for the eastern Pacific. A storm counts if its track passed within 65 miles of the county's center while it was a tropical storm or hurricane. Strength is the storm's top sustained wind at that point, not the wind measured in the county. Older storms over the open sea were sometimes missed.

Flood insurance in Clarke County

Check your address flood zone ›
0.8%of homes have federal flood insurance (47 policies)
29.8%of homes in mapped high-risk flood zones are insured
$540,643paid on 34 flood claims since 1978
1996costliest year, with $443,804 paid

National Flood Insurance Program (NFIP) records only; private flood policies are not included. Home counts as of Aug 3, 2026. Since 2021 NFIP prices each home separately under Risk Rating 2.0, so your price depends on the building, not the county. Ask an agent for a quote.

Homes in Clarke County

$550,100median home value (Virginia $383,700, US $332,700)
1980median year homes were built (Virginia 1984, US 1980)
50%of homes built before 1980, before many modern wind, quake and flood building rules
1.4%of homes are mobile homes, which are the least safe in tornadoes and high winds

Older homes and mobile homes usually suffer more damage in storms, floods and earthquakes, and can cost more to insure. If you are buying, ask about roof age, foundation bolting and any retrofits. Source: US Census Bureau, American Community Survey 2020 to 2024 5-year estimates; 6,553 housing units.

Compare in Virginia

All 133 ›
Largest countiesOverall riskTop hazard
Fairfax CountyHighInland flooding
Prince William CountyModerateInland flooding
Virginia Beach CityLowHurricane
Loudoun CountyLowInland flooding
Chesterfield CountyModerateInland flooding
Henrico CountyModerateInland flooding
Chesapeake CityLowInland flooding
Arlington CountyLowInland flooding

Neighboring counties

CountyOverall riskDeclarations
Loudoun CountyLow14
Berkeley County, WVLow16
Frederick CountyLow17
Fauquier CountyLow19
Jefferson County, WVLow17
Warren CountyVery Low21

Common questions about Clarke County

What is the biggest natural hazard in Clarke County?

Inland flooding has the highest expected yearly losses in Clarke County, about $3 million a year in FEMA's estimate. Heat wave is second at $681,076.

How many federal disasters has Clarke County had?

Clarke County has been included in 18 federal disaster or emergency declarations for natural events since 1972, including 12 major disasters. The most recent was Severe Winter Storm in January 2026.

Is Clarke County a high-risk place to live?

Its overall rating is Very Low, 114th highest of 133 in Virginia. A county rating covers the whole area. Risk at one address can be much higher or lower, so check the FEMA flood map and ask about the home's history.

Do I need flood insurance in Clarke County?

Standard home insurance does not cover flooding. About 1 in 125 homes in Clarke County has federal flood insurance. Lenders require it in mapped high-risk zones, but many flood claims come from outside those zones.

How many tornadoes has Clarke County had?

NOAA records list 11 tornadoes in Clarke County since 1950. The strongest was an F2 tornado on August 4, 1975. The weather service has also logged 44 hail reports and 50 floods here.

How many hurricanes have hit Clarke County?

NOAA's hurricane records show 2 hurricanes and 10 tropical storms passing within 65 miles of the center of Clarke County. The strongest was an unnamed hurricane in 1878, with winds near 95 mph.

Sources: FEMA National Risk Index (December 2025), OpenFEMA Disaster Declarations Summaries, and NFIP policy and claims data. Hazard Compass is independent and not affiliated with FEMA. These figures describe the whole county, not a single property, and are not insurance or safety advice. Report a problem.