NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Mount Orab, 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 Mount Orab, Ohio since 1851, 0 of them at hurricane strength; the most recent was Opal in 1995. Since 1950, 103 tornadoes have touched down within 25 miles, 9 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 4
- Tornadoes
- 103
- EF3 or stronger
- 9
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
21 deaths in all
What the records show for Mount Orab
None of the 4 tropical systems was at hurricane strength as it passed Mount Orab; the strongest was an unnamed storm in 1892, a tropical storm with 52 mph winds when its centre passed 23 miles away. The record near Mount Orab begins with an unnamed storm in 1888; the most recent system was Opal in 1995, a tropical storm 36 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 Mount Orab. The highest rating among the 103 tornadoes within 25 miles is F4, reached 3 times; the most recent, on April 9, 1999, came within 24 miles. The deadliest, an F4 on April 23, 1968, killed 6 people. Of the 103, 7 had paths within 5 miles of the city centre, and 63 have come since 2000. April has had the most tornadoes, 23. The most recent tornado was on April 2, 2025. Mount Orab has more tornadoes within 25 miles than 86% of the 605 Ohio cities. Hail has been reported within 10 miles 62 times since 1977, with stones up to 2.75 inches (baseball size). Of the 605 Ohio cities, 60% have more hail reports within 10 miles than Mount Orab.
Compare Mount Orab's storm record with another city →
Tropical storms and hurricanes near Mount Orab
| Year | Storm | Closest | Strength when closest | Peak |
|---|---|---|---|---|
| 1995 | OpalOct 5 | 36 mi | Tropical storm (46 mph) | Category 4 |
| 1957 | AudreyJun 28 | 75 mi | Tropical storm (44 mph) | Category 3 |
| 1892 | Unnamed 1892 stormSep 13 | 23 mi | Tropical storm (52 mph) | Tropical storm |
| 1888 | Unnamed 1888 stormAug 21 | 42 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 Mount Orab: 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 Mount Orab
By decade
- 2020s26
- 2010s22(1 EF3+)
- 2000s15
- 1990s13(3 EF3+)
- 1980s3
- 1970s10(1 EF3+)
- 1960s9(3 EF3+)
- 1950s5(1 EF3+)
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| Apr 23, 1968 | F4 | 21 mi | 78.7 mi | 6 / 364 |
| Apr 9, 1999 | F4 | 24 mi | 10 mi | 4 / 65 |
| Apr 23, 1968 | F4 | 13 mi | 24.1 mi | 1 / 33 |
| Aug 9, 1969 | F3 | 12 mi | 22.2 mi | 4 / 247 |
| Mar 2, 2012 | EF3 | 11 mi | 20.41 mi | 3 / 13 |
| Apr 3, 1974 | F3 | 23 mi | 15.5 mi | 1 / 0 |
| Jul 2, 1997 | F3 | 18 mi | 12 mi | 0 / 0 |
| Jun 30, 1993 | F3 | 19 mi | 15 mi | 0 / 3 |
| Feb 10, 1959 | F3 | 12 mi | 10.5 mi | 0 / 6 |
| Apr 25, 1961 | F2 | 18 mi | 25 mi | 2 / 4 |
| Jul 6, 2022 | EF2 | 15 mi | 4.81 mi | 0 / 2 |
| Jun 2, 1990 | F2 | 15 mi | 4 mi | 0 / 0 |
The strongest 12 of 103, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Mount Orab
The Storm Prediction Center has 62 hail reports within 10 miles of Mount Orab since 1977, made on 44 separate days. Of these, 30 were 1 inch across or larger, and 2 reached 2 inches. The largest, 2.75 inches (baseball size), fell on November 22, 1992. The most recent report is from May 2, 2025. May has the most reports, 20.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Mount Orab
The nearest NOAA station with 1991–2020 climate normals is Ripley Exp Farm, OH, 19 miles south of Mount Orab at 880 feet. July is the warmest, with an average high of 86°F and low of 60°F; January is the coolest, at 40°F and 17°F. May is the wettest at 5.3 inches of precipitation on average and September the driest at 3.0 inches; the year adds up to 47.9 inches over 88 days with at least a tenth of an inch. Highs reach 90°F on about 20 days a year, almost all from June to September. Lows fall below freezing on about 127 nights a year. Snowfall averages 17.2 inches a year, most of it in January. That 47.9 inches is more than at 123 of the 129 Ohio stations used on this site (95%). Williamsburg, 6 miles northwest, has its own station (Cincinnati Lunken Airport, OH): 43.5 inches a year, 4.4 less than here, and a July average high of 87°F against 86°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 40 | 17 | 3.4 | 7 | 6.5 |
| Feb | 44 | 20 | 3.2 | 6 | 5.2 |
| Mar | 53 | 27 | 4.1 | 8 | 2.7 |
| Apr | 66 | 37 | 4.5 | 10 | 0.0 |
| May | 75 | 48 | 5.3 | 9 | 0.0 |
| Jun | 83 | 57 | 4.9 | 8 | 0.0 |
| Jul | 86 | 60 | 4.9 | 8 | 0.0 |
| Aug | 85 | 58 | 3.6 | 7 | 0.0 |
| Sep | 79 | 50 | 3.0 | 5 | 0.0 |
| Oct | 67 | 39 | 3.8 | 6 | 0.1 |
| Nov | 54 | 30 | 3.3 | 7 | 0.6 |
| Dec | 44 | 21 | 3.9 | 7 | 2.1 |
| Year | 65 | 39 | 47.9 | 88 | 17.2 |
Averages for 1991–2020 at Ripley Exp Farm, OH (880 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 Mount Orab
Since 1996, the National Weather Service has logged 223 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Mount Orab: 171 thunderstorm wind reports, 26 floods, 22 flash floods and 4 heavy rain events. They killed 3 people and injured 3, and the NWS estimated $4.6 million in property and crop damage. The strongest thunderstorm gust on record here was 100 mph, on April 20, 2011. July has had the most flash floods, 8 of 22. Of the 597 Ohio cities on this site with a flash flood on record, 444 have had fewer than Mount Orab.
July 18, 2015: flash flood 2 miles from the centre of Mount Orab — 3 killed, 3 injured, $3.0 million damage.
NWS: “Thunderstorms developed across Brown County around 2100EST. 4 inches of rain between 2120EST and 2205EST.”
March 3, 2023: thunderstorm wind 4 miles from the centre of Mount Orab — $150,000 damage.
May 19, 1997: thunderstorm wind 10 miles from the centre of Mount Orab — $100,000 damage.
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
Brown County, which includes Mount Orab, has been named in 19 federal disaster or emergency declarations since 1968, 13 of them major disasters (by incident: 7 severe storms, 5 floods, 3 snowstorms, 2 biological emergencies). The latest major disaster declaration was Covid-19 Pandemic, on March 31, 2020. FEMA's National Risk Index gives Brown County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for strong wind; Relatively Moderate for inland flooding and lightning; Relatively Low for tornadoes, hail and heat waves; Very Low for hurricanes. It models the county's expected loss from all 18 hazards it covers at $17.7 million a year, the 50th highest of 88 Ohio counties; of the hazards above, the largest share, $12.5 million (71%), 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.