Harrison County

Every recorded tornado

1. Injuries and deaths are for the tornado’s whole path, which may extend beyond the county. Deaths recorded within Harrison County: 4.
2. Weak tornadoes were under-recorded before Doppler radar coverage became national in the early 1990s, so earlier decades read low. Ratings use the Fujita scale before February 2007 and the Enhanced Fujita scale after.

Storm Prediction Center severe weather database, 1950 to 2025.

Every storm within 100 miles

1. Tropical storms and hurricanes (34 kt or more, still tropical) at closest approach. Post-tropical remnants with gale-force winds are listed but not counted. Direct: track within 50 miles; near: within 100 miles. Distance is measured to the county boundary for counties and to the city centre for cities, using positions interpolated hourly between HURDAT2 fixes.

National Hurricane Center HURDAT2, 1851 to 2025.

Smoke overhead

1. A smoke day is a date on which a smoke plume traced by NOAA Hazard Mapping System analysts from satellite imagery covered this place's point (the county's population centre or the city centre). Counts here are of medium or heavy smoke. Since 2018 analysts have often drawn light smoke as one area over most of the continent, so light-smoke counts are not comparable from year to year. The plumes show smoke anywhere in the air above, not air quality at the ground, and smoke hidden by cloud is missed.

NOAA Hazard Mapping System smoke analysis, 2011 to 2026, retrieved October 30, 2026.

Claims by ZIP code

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026. NOAA Storm Events through 2026.

1. The Palmer Drought Severity Index is computed by NOAA each month from the county's average temperature and precipitation, relative to the county's own climate. Zero is normal; -3 or lower is severe drought and -4 or lower extreme drought. It describes the long-term balance of moisture, not water supply or crop losses.

NOAA NCEI nClimDiv county Palmer Drought Severity Index, 1895 to September 2026, issued October 6, 2026.

1. Earthquakes of magnitude 2.5 or more in the USGS Comprehensive Catalog since 1900. Within 50 miles means the epicentre lies within 50 miles of the county boundary (or inside the county).
2. Small earthquakes were under-recorded before the modern seismic networks of the 1970s and are still missed in remote areas, so early decades read low. Magnitudes are as the catalogue reports them and mix scales (moment, local and body-wave).

USGS ANSS Comprehensive Earthquake Catalog, 1900 to present, retrieved October 30, 2026.

Costliest events since 1996

1. Mar 2, 1997Flood, Harrison$10.0 million
   National Weather Service narrative

   Ohio River flooding. See narrative for north central Kentucky counties.

2. Jul 20, 2018Tornado$600,000
   National Weather Service narrative

   A tornado was confirmed of EF1 scale with a maximum wind speed of 105 mph. The tornado first touched down along Justin`s Trail in the Southwind Estates subdivision. There was significant tree damage along Pleasure Ridge Road where a large tree fell on a garage. Farther east along Pleasure Ridge Road, several small funnels from the main funnel did extensive damage. A 2 x 8 impaled a concrete grain silo. At least four big barns received extensive damage, including a turkey barn. Further east, several funnels congealed into one main tornado doing extensive damage to hardwood trees and significant roof damage to several homes. Along South Pleasant Road, one home had mud spatter on the…

3. Mar 19, 2008Flash Flood$500,000
   National Weather Service narrative

   Numerous roads in the county were flooded, including portions of Indiana Highway 11. Big Indian Creek near Corydon was flooding, with trailers and vehicles under water. Flood waters from Big Indian Creek were close to Indiana Highway 335.

4. Aug 13, 2020Flash Flood$150,000
   National Weather Service narrative

   Flood waters made it into numerous homes and businesses, and a water rescue took place on Budd Road. Cost of damages estimated.

5. Oct 24, 2001Thunderstorm Wind$100,000
   National Weather Service narrative

   Trees and power lines were downed over much of South Central Indiana. Some were blown on to vehicles at Elizabeth in Harrison County. Also in Elizabeth, a church office was destroyed. A double wide mobile home was destroyed 4 miles northeast of Tell City, and several nearby brick homes had roof damage.

6. May 30, 2004Thunderstorm Wind$75,000
   National Weather Service narrative

   Trees were downed county wide. In the city of Corydon, trees were blown on to two homes, doing extensive damage. No serious injuries were reported, however.

7. Feb 20, 2002Thunderstorm Wind$60,000
   National Weather Service narrative

   A mobile home was overturned. Several porches were blown off.

8. Mar 27, 2017Thunderstorm Wind$50,000
   National Weather Service narrative

   An off duty NWS employee reported 6 power poles down on Crandall-Lanesville Road.

9. May 19, 2017Hail$50,000
   National Weather Service narrative

   An extremely warm, moist, and unstable air mass resided over the lower Ohio Valley during the middle of May. As a series of strong weather systems passed through the region, rounds of strong to severe thunderstorms developed and tracked across southern Indiana. Several inches of rain fell in a very short time resulting in a significant flash flood event for Washington County, Indiana. There were 2 confirmed tornadoes, one in Crawford County and another in Jefferson County, Indiana.

10. Jul 8, 2016Thunderstorm Wind$50,000
    National Weather Service narrative

    Local law enforcement reported trees down in the area along with transformers blown.

1. Storm Events records before 1996 cover only tornadoes, thunderstorm wind and hail. Damage figures are as reported by the National Weather Service at the time, not adjusted for inflation.

NOAA NCEI Storm Events Database, 1950 to 2026, issued October 26, 2026.

All-time high

106°F2 times, most recently Jul 7, 2012

All-time low

−22°FJan 19, 1994

Warmest night

83°F3 times, most recently Jun 29, 2024

Coldest day

1°FJan 20, 1985

Wettest day

7.22 inMar 1, 1997

Snowiest day

15.5 inJan 17, 1994

Hottest year

2024mean 61.9°F

Coldest year

1960mean 54.5°F

Wettest year

201868.83 in

Driest year

195330.38 in

Snowiest season

50.1 in1977-78

Station Louisville International Airport (USW00093821), 480 ft elevation, 20.3 miles from the population centre. Daily records from 1948 to October 26, 2026; 100.0% of days in the last 30 years are complete. Records at a single station can differ from a city’s official threaded record, which may combine several stations.

NOAA NCEI Global Historical Climatology Network Daily.

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).

OpenFEMA Disaster Declarations Summaries, retrieved October 30, 2026. Statewide declarations are not listed.

Neighbouring counties

• Tornadoes NOAA Storm Prediction Center severe weather database, through 2025.
• Tropical cyclones NOAA National Hurricane Center HURDAT2 (Atlantic; Northeast and Central Pacific), through 2025.
• Wildfire USGS/USFS Monitoring Trends in Burn Severity, through 2026.
• Storm events NOAA NCEI Storm Events Database, through 2026.
• Flood insurance OpenFEMA NFIP Redacted Claims v3, refreshed August 4, 2026.
• Declarations OpenFEMA Disaster Declarations Summaries v2, retrieved October 30, 2026.
• Weather records NOAA NCEI Global Historical Climatology Network Daily, station USW00093821.
• River crests NOAA National Weather Service, National Water Prediction Service river gauges, retrieved October 30, 2026.
• Drought NOAA NCEI nClimDiv county Palmer Drought Severity Index, through September 2026.
• Smoke NOAA NESDIS Hazard Mapping System smoke analysis, retrieved October 30, 2026.
• Earthquakes USGS ANSS Comprehensive Earthquake Catalog (ComCat), retrieved October 30, 2026.

Joins, thresholds and known limits are set out in the methodology. Found an error? Report it. Page built October 30, 2026.