NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Oregonia, OH
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
4 tropical systems have passed within 75 miles of Oregonia, Ohio since 1851, 0 of them at hurricane strength; the most recent was Opal in 1995. Since 1950, 130 tornadoes have touched down within 25 miles, 12 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 4
- Tornadoes
- 130
- EF3 or stronger
- 12
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
51 deaths in all
What the records show for Oregonia
None of the 4 tropical systems was at hurricane strength as it passed Oregonia; the strongest was an unnamed storm in 1892, a tropical storm with 53 mph winds when its centre passed 7 miles away. The record near Oregonia begins with an unnamed storm in 1888; the most recent system was Opal in 1995, a tropical storm 55 miles away. None of the 4 systems has come since 2000. Of the 605 Ohio cities on this site, 53% have more tropical storms and hurricanes within 75 miles than Oregonia. The strongest of the 130 tornadoes within 25 miles was an F5 on April 3, 1974; its path came within 13 miles, and it killed 36 people. Of the 130, 9 had paths within 5 miles of the city centre, and 76 have come since 2000. May has had the most tornadoes, 39. The most recent tornado was on April 2, 2025. Oregonia has more tornadoes within 25 miles than 97% of the 605 Ohio cities. Hail has been reported within 10 miles 85 times since 1991, with stones up to 1.75 inches (golf ball size). Oregonia has more hail reports within 10 miles than 60% of the 605 Ohio cities.
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Tropical storms and hurricanes near Oregonia
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1995 | OpalOct 5 | 55 mi | Tropical storm (46 mph) | Category 4 |
| 1915 | Unnamed 1915 stormAug 21 | 66 mi | Tropical storm (40 mph) | Category 4 |
| 1892 | Unnamed 1892 stormSep 13 | 7 mi | Tropical storm (53 mph) | Tropical storm |
| 1888 | Unnamed 1888 stormAug 21 | 70 mi | Tropical storm (52 mph) | Category 3 |
Strength is the sustained wind on the track at the closest point, which is not the wind felt in Oregonia: a hurricane's worst winds sit within a few dozen miles of its centre, and inland cities are usually past that.
Tornadoes within 25 miles of Oregonia
By decade
- 2020s32
- 2010s24(3 EF3+)
- 2000s20(1 EF3+)
- 1990s18(2 EF3+)
- 1980s7
- 1970s14(2 EF3+)
- 1960s11(4 EF3+)
- 1950s4
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 3, 1974 | F5 | 13 mi | 31.3 mi | 36 / 1150 |
| Apr 9, 1999 | F4 | 13 mi | 10 mi | 4 / 65 |
| Apr 3, 1974 | F4 | 12 mi | 19.8 mi | 2 / 39 |
| Sep 20, 2000 | F4 | 15 mi | 9 mi | 1 / 100 |
| Apr 23, 1968 | F4 | 15 mi | 24.1 mi | 1 / 33 |
| May 27, 2019 | EF4 | 22 mi | 18.17 mi | 0 / 166 |
| Jun 2, 1990 | F4 | 16 mi | 33 mi | 0 / 37 |
| Aug 9, 1969 | F3 | 22 mi | 22.2 mi | 4 / 247 |
| May 27, 2019 | EF3 | 22 mi | 9.92 mi | 0 / 0 |
| May 14, 2014 | EF3 | 20 mi | 8.93 mi | 0 / 0 |
| May 10, 1969 | F3 | 4 mi | 54.5 mi | 0 / 25 |
| May 8, 1969 | F3 | 16 mi | 1.9 mi | 0 / 25 |
The strongest 12 of 130, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Oregonia
The Storm Prediction Center has 85 hail reports within 10 miles of Oregonia since 1991, made on 65 separate days. Of these, 41 were 1 inch across or larger, and none reached 2 inches. The largest size, 1.75 inches (golf ball size), was reported on 2 days, most recently April 26, 2016. The most recent report is from June 28, 2025. May has the most reports, 24.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Oregonia
The nearest NOAA station with 1991–2020 climate normals is WFO Wilmington, OH, 13 miles east of Oregonia at 1,053 feet. July is the warmest, with an average high of 85°F and low of 64°F; January is the coolest, at 38°F and 22°F. May is the wettest at 4.8 inches of precipitation on average and February the driest at 2.9 inches; the year adds up to 44.7 inches over 87 days with at least a tenth of an inch. Highs reach 90°F on about 17 days a year, almost all from June to September. Lows fall below freezing on about 105 nights a year. Snowfall averages 26.6 inches a year, most of it in January. That 44.7 inches is more than at 106 of the 129 Ohio stations used on this site (82%). Waynesville, 6 miles north, has its own station (Dayton Wright Bros Airport, OH): 40.9 inches a year, 3.8 less than here, and a July average high of 86°F against 85°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 38 | 22 | 3.3 | 7 | 8.9 |
| Feb | 42 | 24 | 2.9 | 7 | 7.4 |
| Mar | 52 | 33 | 4.1 | 8 | 4.1 |
| Apr | 65 | 43 | 4.5 | 9 | 0.4 |
| May | 75 | 53 | 4.8 | 10 | 0.0 |
| Jun | 83 | 61 | 4.5 | 9 | 0.0 |
| Jul | 85 | 64 | 4.1 | 7 | 0.0 |
| Aug | 84 | 62 | 3.4 | 6 | 0.0 |
| Sep | 79 | 55 | 3.0 | 5 | 0.0 |
| Oct | 67 | 44 | 3.4 | 6 | 0.1 |
| Nov | 54 | 34 | 3.3 | 6 | 1.1 |
| Dec | 43 | 27 | 3.4 | 7 | 4.6 |
| Year | 64 | 43 | 44.7 | 87 | 26.6 |
Averages for 1991–2020 at WFO Wilmington, OH (1,053 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Oregonia
Since 1996, the National Weather Service has logged 301 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Oregonia: 218 thunderstorm wind reports, 50 floods, 30 flash floods and 3 heavy rain events. They killed 4 people and injured 0, and the NWS estimated $2.8 million in property and crop damage. The strongest thunderstorm gust on record here was 115 mph, on April 9, 1999. June has had the most flash floods, 10 of 30. Of the 597 Ohio cities on this site with a flash flood on record, 515 have had fewer than Oregonia.
March 4, 2015: flood 3 miles from the centre of Oregonia — 1 killed, $5,000 damage.
NWS: “A 72 year old woman drove her car into the Little Miami River from a parking area along Cold Springs Road. The woman was pulled from the car by rescuers but was later pronounced dead at the hospital.”
January 1, 2016: heavy rain event 7 miles from the centre of Oregonia — 1 killed.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Warren County, which includes Oregonia, has been named in 13 federal disaster or emergency declarations since 1968, 8 of them major disasters (by incident: 4 severe storms, 3 floods, 2 biological emergencies, 2 snowstorms). The latest major disaster declaration was Covid-19 Pandemic, on March 31, 2020. FEMA's National Risk Index gives Warren County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Moderate for tornadoes, inland flooding and strong wind; Relatively Low for hail and heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $61.8 million a year, the 11th highest of 88 Ohio counties; of the hazards above, the largest share, $38.7 million (63%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. 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).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets 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).
What counts as a pass, the distances and the sources: how this storm history is built.
Cities near Oregonia
- Clarksville, OH5 mi
- Waynesville, OH6 mi
- Morrow, OH7 mi
- Lebanon, OH8 mi
- South Lebanon, OH9 mi
- Spring Valley, OH11 mi
- Blanchester, OH11 mi
- Pleasant Plain, OH12 mi
- Springboro, OH12 mi
- Wilmington, OH12 mi
- Maineville, OH13 mi
- Bellbrook, OH14 mi
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